코드이그나이터 사용설명서 버전 2.0.3

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변경내역

마크는 리엑터(CodeIgniter Reactor)를 통해서 추가된 사항입니다.

버전 2.1.0

Release Date: November 14, 2011

• 일반적 변화
  • 보안 라이브러리의 파라미터 인젝션(injection flaw) 취약점 수정.HTML5 취약점 보강을 위해 XSS 필터 강화.
  • 콜백 검증규칙(validation rule)에 파라미터를 넘겨줄 수 있음.
  • 일반함수(Common functions)에 html_escape() 추가하여 XSS에 대한 보안강화.
• 헬퍼
  • 문자열헬퍼(String Helper)에 increment_string()를 추가함."foo" 문자열을 "foo-1","foo-1","foo-2" 따위로 가공할 수 있음..
  • 폼헬퍼가 변경됨- form_open_multipart에서 action지정이 옵션이됨. Fixes (#65)
  • url_title() 에서 추가 대쉬문자가 trim됨(처음과 끝부분에 있다면 제거).
  • 문자열헬퍼(String Helper)의random_string() 메서드 속도향상.
• 데이터베이스
  • CUBRID 드라이버가 추가됨 . CUBRID 팀 고마우이.헐헐.
  • PDO 드라이버 추가됨.(역주:이하 나중에 번역하겠습니다.)
  • Typecast limit and offset in the Database driver to integers to avoid possible injection.
  • Added additional option 'none' for the optional third argument for $this->db->like() in the Database driver.
  • Added $this->db->insert_batch() support to the OCI8 (Oracle) driver.
• Libraries
  • Changed $this->cart->insert() in the Cart library to return the Row ID if a single item was inserted successfully.
  • Added support to set an optional parameter in your callback rules of validation using the Form Validation library.
  • Added a Migration library to assist with applying incremental updates to your database schema.
  • Driver children can be located in any package path.
  • Added is_unique to the Form Validation library.
  • Added $config['use_page_numbers'] to the Pagination library, which enables real page numbers in the URI.
  • Added TLS and SSL Encryption for SMTP.
• Core
  • Changed private functions in URI library to protected so MY_URI can override them.
  • Removed CI_CORE boolean constant from CodeIgniter.php (there are no longer different Reactor and Core versions).

버그수정( 2.1.0)

• Fixed #378 Robots identified as regular browsers by the User Agent class.
• If a config class was loaded first then a library with the same name is loaded, the config would be ignored.
• Fixed a bug (Reactor #19) where 1) the 404_override route was being ignored in some cases, and 2) auto-loaded libraries were not available to the 404_override controller when a controller existed but the requested method did not.
• Fixed a bug (Reactor #89) where MySQL export would fail if the table had hyphens or other non alphanumeric/underscore characters.
• Fixed a bug (#200) where MySQL queries would be malformed after calling $this->db->count_all() then $this->db->get()
• Fixed bug #105 that stopped query errors from being logged unless database debugging was enabled
• Fixed a bug (#160) - Removed unneeded array copy in the file cache driver.
• Fixed a bug (#150) - field_data() now correctly returns column length.
• Fixed a bug (#8) - load_class() now looks for core classes in APPPATH first, allowing them to be replaced.
• Fixed a bug (#24) - ODBC database driver called incorrect parent in __construct().
• Fixed a bug (#85) - OCI8 (Oracle) database escape_str() function did not escape correct.
• Fixed a bug (#344) - Using schema found in Saving Session Data to a Database, system would throw error "user_data does not have a default value" when deleting then creating a session.
• Fixed a bug (#112) - OCI8 (Oracle) driver didn't pass the configured database character set when connecting.
• Fixed a bug (#182) - OCI8 (Oracle) driver used to re-execute the statement whenever num_rows() is called.
• Fixed a bug (#82) - WHERE clause field names in the DB update_string() method were not escaped, resulting in failed queries in some cases.
• Fixed a bug (#89) - Fix a variable type mismatch in DB display_error() where an array is expected, but a string could be set instead.
• Fixed a bug (#467) - Suppress warnings generated from get_magic_quotes_gpc() (deprecated in PHP 5.4)
• Fixed a bug (#484) - First time _csrf_set_hash() is called, hash is never set to the cookie (in Security.php).
• Fixed a bug (#60) - Added _file_mime_type() method to the File Uploading Library in order to fix a possible MIME-type injection (also fixes bug #394).
• Fixed a bug (#537) - Support for all wav type in browser.
• Fixed a bug (#576) - Using ini_get() function to detect if apc is enabled or not.
• Fixed invalid date time format in Date helper and XMLRPC library.

버전 2.0.3

일자: 2011년 8월 20일

• 보안
  • 데이터베이스 클라이언트에서 멀티바이트 문자셋(한글 같은 아시아권 언어)을 사용하는 경우 발생할 수 있는 SQL 인젝션 공격 방지 기능이 MySQL 과 MySQLi 드라이버에 추가되었습니다.

    PHP 5.2.3 상위버전(<)과 MySQL 5.0.7 하위버전(>) 에서 mysql_set_charset() 사용시 SQL 인젝션 공격에 취약하게 됩니다. Latin-1, UTF-8, ASCII 이하의 문자셋을 사용할때는 안전합니다.

    데이터베이스 연결시에 멀티바이트 문자셋을 사용할때는, SQL 인젝션 공격에 취약한지 여부를 꼭 확인하세요!

• 일반
  • index.php 주석에 철자 틀린 것 고쳤음.
  • 세션클래스의 userdata가 출력 프로파일러(output profiler)에 추가되었습니다. 또한, HTTP헤더,세션데이터, 설정변수(Config Variables)를 보이거나 감추는 기능이 추가되었습니다.
  • EXT 상수를 더이상 내부적으로 사용하지 않습니다.
  • welcome_message 뷰 파일 및 기본 에러 템플릿이 없데이트 되었습니다.
  • PostgreSQL 데이터베이스 드라이버에 insert_batch() 함수가 추가되었습니다.
  • mimes.php에 "application/x-csv" 가 추가되었습니다..
  • 이메일 라이브러리에서 Email library 첨부파일 이름에 점(.)이 포함되면, 잘못된 MIME-타입을 사용하던 문제가 수정되었습니다..
• 헬퍼(Helpers )
  • html헬퍼의 heading() 함수에 세번째 파라미터를 추가하였습니다. 세번째 파라미터는 html 속성(예를 들어 class 따위)를 추가하기위해 사용합니다.
• 라이브러리(Libraries )
  • user_agent 문자열에 대해 더 길게 일치하도록 Session을 수정하였습니다. 이전버전에서 업데이트 하기 페이지를 참조하세요.
  • Form Validation library에 is_unique 가 추가되었습니다.
  • Database Driver 에 $this->db->set_dbprefix() 가 추가되었습니다.
  • Cart Library 의 $this->cart->insert() 가 수정되었습니다. 하나의 아이템이 성공적으로 삽입(insert)되었을경우 Row ID 를 리턴합니다.
  • Loader library 에$this->load->get_var() 가 추가되었습니다.$this->load->view() 와$this->load->vars().를 통해 설정된 전역변수(global vars)를 추출하기 위해 사용합니다.
  • escape_str() 대신 escape()함수를 사용하여 인용부호를 추가하도록$this->db->having() 가 수정되었습니다.

버그수정

• ENVIRONMENT 가 예약된 상수로 추가되었습니다. (Reactor #196)
• 서버를 체크하는 로직이 SCRIPT_NAME 가 정의되었는지 확인하도록 수정되었습니다. (Reactor #57)
• autoloader에서 APPPATH.'third_party' 를 제거하였습니다. 패키지가 존재하지 않거나, 개발자가 기본값으로 어떤 패키지도 로드 하지 않았을경우, 쓸데없는 파일정보를 수집하지 않기 위해서 입니다.
• (Reactor #231) where 세션라이브러리 예제 SQL이 last_activity의 index를 포함하지 않던 부분을 수정하였습니다. 업그레이드 노트확인.
• (Reactor #229) 문서에 있는 세션라이브러리 예제 SQL에서 잘못된 부분을 수정하였습니다.
• (Core #340) $this->db->select() 에서 두번째 파라미터를 전달할때, 서브쿼리에서 칼럼이름이 제대로 escape 처리되지않던 문제가 수정되었습니다.
• 수정 #199 - 문자열로 전달된 속성값과 여는 태그 사이에 있는 공백은 포함하지 않습니다.
• Cart Library 의$this->cart->total_items() 함수가 your total count 대신 카트에 있는 모든 아이템의 개수의 합을 리턴하도록 하였습니다.
• Mysql 과 mysqli 드라이버를 위한 db_forge 에 필드를 추가할때 'null'을 설정하지 않을시, 문서에서 추천하는 대로 NOT NULL 대신 NULL을 기본값으로 하도록 하였습니다.
• $this->db->select_max(), $this->db->select_min(), 등의 함수가 경고를 throw 할수 있도록 하였습니다.
• STDIN 에 대한 검사를 php_sapi_name() == 'cli' 로 대신하여 신뢰성을 높이세요. 그러려면, 크론탭 작업에서 파라미터를 가지고 와야합니다.

버전 2.0.2 (이하 헛발이님 번역을 그대로 사용하였습니다.-헛발이님 수고하셨습니다)

릴리스날짜: 2011년 4월 7일
Hg Tag: v2.0.2

• 전반적인 변경
  • 보안 라이브러리가 코어로 이동 하였고 이제 자동으로 로드됩니다. 만약 로딩 콜을 하였다면 제거해 주시기 바랍니다.
  • CI_SHA 클래스는 제거 되었습니다. 모든 PHP 버전에서 sha1() 함수를 지원합니다.
  • 만약 가능하다면 constants.php파일은 environment 폴더에서 로드 됩니다.
  • 언어 키 오류 로그가 추가되었습니다.
  • Environment 서포트는 옵션으로. environment 체크를 하지 않으려면 상수를 지우거나 주석처리를 해 주시기 바랍니다.
  • Hook에 Environment 서포트가 추가되었습니다.
  • 캐쉬 드라이버에 접두사 CI_가 추가됨
  • CLI 사용법 문서가 추가되었습니다.
• 헬퍼
  • 시큐리티 헬퍼에 있던 dohash()가 제거되었습니다. 대신 do_hash()를 사용할 수 있습니다.
  • 'plural' 함수가 대소문자를 변경 하지 않도록 하였습니다. 그리고 모든 대문자들까지 확인 할 수 있게 하였습니다.
• 데이터베이스
  • 이제 $this->db->count_all_results()는 문자열 대신 integer를 반환하게 하였습니다.

2.0.2 버그수정

• 출력 라이브러리에 parse_exec_vars가 protected로 설정 되었던 버그를 수정함 (Reactor #145)
• is_really_writable가 윈도우 또는 safe_mode로 설정 되었을 때 빈 파일을 생성하던 버그를 수정함 (Reactor #80)
• 유저가이드에 많은 버그를 수정하였습니다.
• 메뉴얼에 입력 클래스에 있는 is_cli_request()를 추가하였습니다.
• decimal, less_than 및 greater_than를 위한 form_validation_lang 항목을 추가하였습니다.
• MSSQL 드라이버에서 STR 이스케이프 버그 수정 #153
• 구글 크롬 11에서 폼 action이 비었을 경우 서브밋이 잘못 되었던 버그 수정#172

버전 2.0.1

릴리스날짜: 2011년 3월 15일
Hg Tag: v2.0.1

• 전반적인 변경
  • 보안(HTTPS) 쿠키를 설정하기 위해 $config['cookie_secure']가 설정파일에 추가 되었습니다.
  • Core와 Reactor를 구별하기 위한 상수 CI_CORE가 추가 되었습니다. Core: TRUE、Reactor: FALSE。 Core : TRUE, Reactor : FALSE.
  • index.php파일에 상수 ENVIRONMENT가 추가되어 PHP 오류보고와 옵션에 의해 로드되는 설정 파일에 적용됩니다 (아래 참조). 환경처리 페이지를 참조하십시오.
  • 환경 관련 설정파일 지원이 추가 되었습니다.
• 라이브러리
  • decimal, less_than 그리고 greater_than에 대한 규칙이 Form Validation 클래스에 추가되었습니다.
  • 입력클래스의 post()와 get()의 메소드는 첫번째 인수가 지정되지 않으면 전체 배열을 반환합니다.
  • 보안쿠키가 set_cookie() 헬퍼와 입력클래스의 메소드로 지정 할 수 있도록 되었습니다.
  • 출력클래스에 set_content_type()가 추가되었고, Content-Type HTTP 헤더를 MIME의 타입 또는 config / mimes.php의 배열키로 출력됩니다.
  • 출력클래스가 메서드체인을 지원 할수 있도록 되었습니다.
• 헬퍼
  • Form헬퍼의 form_open()는 로직을 변경하여 값이 전달되지 않으면 현재 URL이 적용되로록 하였습니다.

2.0.1 버그수정

• CLI 요청은 index.php가 있는 폴더로 이동한 후 실행이 아니고, 모든 폴더에서 실행할 수 있도록 하였습니다.
• issue # 41 수정 : mp3 MIME 형식으로 audio/mp3가 추가 되었습니다.
• 파일케싱드라이버의 잘못된 캐시 디렉토리를 참조하고 있는 버그 (Core # 329)를 수정했습니다.
• SHA1 라이브러리 이름이 잘못되던 버그 (Reactor # 69)를 수정했습니다.

버전 2.0.0

릴리스날짜: 2011년 1월 28일
Hg Tag: v2.0.0

• 전반적인 변경
  • PHP4에 대한 지원은 중단 되었습니다. 동작은 PHP 5.1.6 이상에서만 사용할 수 있습니다.
  • 이전부터 비추천이였던 Scaffolding 기능은 제거 되었습니다.
  • 플러그인 기능은 제거 되었습니다. 대신 헬퍼를 사용하십시오. CAPTCHA플러그인은 헬퍼로 변경되었습니다 ( 문서 ). JavaScript 달력플러그인은 jQuery등 유용한 것들이 있기 때문에 삭제되었습니다.
  • 드라이버 기능이 추가되었습니다.
  • 완벽한 QUERY STRING을 지원합니다. 자세한 내용은 구성 파일을 참조하십시오.
  • application 폴더를 system 밖으로 이동 하였습니다.
  • system/cache 디렉토리와 system/logs 디렉토리를 application 디렉토리에 이동 하였습니다.
  • index.php에서 라우팅을 재정의할 수 있게 되었습니다. "index" 파일마다 라우팅을 덮어쓸 수 있습니다.
  • index.php의 내용을 조작하여 설정값을 직접설정 (또는 무시) 할 수 있게 되었습니다. 이를 통해 자체설정을 가진 여러 컨트롤러에서 하나의 응용 프로그램을 사용할 수 있습니다.
  • 설정파일에 $config['directory_trigger']를 추가 했습니다. URI 세그먼트 대신 $ _GET 문자열로 전달받을 때도 컨트롤러의 하위 디렉터리를 지정할 수 있습니다.
  • 패키지 경로를 지정할 수 있습니다. 로더 및 설정클래스는 요청이 있는 경우 지정된 경로를 먼저 찾아가게 됩니다. 이렇게 하면 하위 응용 프로그램 배포에 있어서 하나의 패키지 디렉토리에서 자신의 라이브러리와 모델, 설정 파일을 사용할 수 있습니다. 자세한 내용은 로더 (읽기 처리) 클래스 설명서를 참조하십시오.
  • 개발중인 소스코드는 현재 BitBucket에서 호스팅되고 있습니다.
  • 비추천이였던 Validation 클래스가 제거되었습니다. [역주 : 대신 Form_validation 클래스를 사용하십시오]
  • 모든 기본클래스에 CI_ 접두사를 추가했습니다.
  • 패키지 경로는 application/config/autoload.php로 설정할 수 있습니다.
  • 업로드클레스에서 확장자가 없는 파일이름을 지정할 수 있습니다. 확장자는 파일 이름 대신 업로드된 파일에서 제공됩니다.
  • 데이터베이스관리클래스에서 테이블 이름을 변경하지 않은 경우 이름을 생략할 수 있게 되었습니다.
  • $config['base_url']옵션은 기본적으로 설정값이 없을 경우 자동적으로 추측 되어지게 하였습니다.
  • config['uri_protocol'] = 'CLI';라고 설정하게 되면 커맨드환경에서도 호환하여 사용할 수 있게 하였습니다.
• 라이브러리
  • 캐싱드라이버을 추가했습니다. APC, memcached 및 파일 기반을 지원합니다.
  • 페이지네이션 라이브러리에 $prefix, $suffix 및 $first_url를 지정할 수 있습니다.
  • 페이지네이션 라이브러리에서 first, previous, next, last 및 각 페이지에 대한 링크를 FALSE로하여 각각 숨길 수 있습니다.
  • 보안 라이브러리를 추가했습니다. 현재xss_clean함수, filename_security함수 그리고 다른 보안 기능을 사용할 수 있습니다.
  • 보안 라이브러리에 CSRF(Cross) 보호기능을 추가했습니다.
  • 출력 라이브러리에 $parse_exec_vars속성을 추가했습니다.
  • 프로파일러에서 개별 프로파일러 섹션을 활성화/비활성화로 지정할 수 있습니다.
  • 파일업로드 클래스에 와일드카드 $config['allowed_types'] = '*'가 추가 되었습니다.
  • XML-RPC 클래스에 설정값 'object'를 추가했습니다. 이렇게 하면 요청한 메서드를 찾기 위해 $CI 슈퍼오브젝트에 assuming 대신 개체를 지정할 수 있습니다.
  • 유닛테스트 클래스에서 사용할 수 있는 목록에 "is_object"를 추가했습니다.
  • HTML테이블 라이브러리는 비어있거나 NULL이면 셀을 출력합니다.
  • HTML테이블 라이브러리에서 하나하나의 셀에 속성을 지정할 수 있습니다.
  • 탬플릿파서 클래스에 parse_string()메소드를 추가했습니다.
  • 프로파일러 출력에 HTTP 헤더 및 구성 정보를 추가했습니다.
  • User Agent 클래스의 browser()메서드에서 판별할 수 있는 목록 Chrome와 Flock를 추가했습니다.
  • 유닛테스트 클래스에서 옵션 "notes"필드를 사용할 수 있게 되었습니다. 또한, $this->unit->set_test_items()를 사용하여 테스트 결과를 개별적으로 볼 수 있습니다.
  • XML-RPC 라이브러리의 클래스 변수 $xss_clean는 보안라이브러리의 $xss_clean메서드를 사용할 수 있게 되었습니다.
  • FTP 라이브러리에 download() 메서드를 추가했습니다.
  • do_xss_clean() 메소드로 업로드의 XSS 검사에 실패하면 FALSE를 반환하도록 변경되었습니다.
  • 업로드 라이브러리에서 $_FILES의 type 값을 stripslashes()와 trim()로 처리하도록 변경되었습니다.
  • $this->zip->read_dir('/path/to/directory', FALSE) 메서드에 제2인자(boolean)를 추가했습니다. ZIP파일을 만들때 지정한 폴더의 경로에서 빈 폴더를 포함하지 않도록 할 수 있습니다.
  • 이미지 처리 클래스에서 GD 라이브러리로 PNG의 투명 이미지를 리사이즈 할수 있도록 하였습니다.
  • 세션 클래스를 사용할 때, 설정파일에서 암호화 키 (encryption_key) 지정이 필수가 되었습니다.
  • 세션 클래스에 새로운 설정항목 sess_expire_on_close를 추가했습니다. 브라우저를 닫으면 자동으로 만료시킬 수 있습니다.
  • Mcrypt이 가능한 서버에서 암호화 클래스의 성능이 향상 되었습니다.
  • 암호화 클래스에서 표준 암호화 방식을 CBC로 변경되었습니다.
  • encode_from_legacy() 메소드를 추가했습니다. CodeIgniter 1.x에서 암호화된 데이터를 CodeIgniter 2.x로 마이그레이션 하는데 사용합니다. 자세한 내용은 "이전버전에서 업그레이드 방법"를 참조하십시오.
  • Form_Validation 클래스의 set_rules(), set_message() 그리고 set_error_delimiters() 메소드에서 "메서드 연결"를 할 수 있게 되었습니다.
  • 이메일 클래스에서 "메서드 연결"을 할 수 있게 되었습니다.
  • 입력 클래스 request_headers(), get_request_header() 및 is_ajax_request() 메소드를 추가했습니다.
  • User agent 라이브러리의 is_browser(), is_mobile() 및 is_robot() 메소드로 특정 브라우저 및 모바일 장치를 찾을 수 있게 되었습니다.
  • 입력 라이브러리의 post()와 get()에서 아무런 값 없이 호출 하게 되면 모든 POST값과 GET값을 반환하도록 변경하였습니다.
• 데이터베이스
  • 데이터베이스 설정.
  • 데이터베이스 설정에 autoinit값을 추가했습니다.
  • 데이터베이스 설정에 stricton값을 추가했습니다.
  • 데이터베이스 유틸리티 클래스에 database_exists() 메소드를 추가했습니다.
  • db->version() 메서드에서 그것에 대한 SQL 쿼리 대신 예외적으로 함수 버전을 검색하는 데이터베이스 목록을 변경했습니다. 현재 이 목록은 Oracle과 SQLite뿐입니다.
  • field_data() 메서드에서 드라이버의 특정 테이블 식별자 보호 기능이 잘못된 쿼리를 실행할 수있는 결함을 수정했습니다.
  • 데이터베이스 드라이버에 정의되지 않은 클래스 변수가 참조하고 있던 버그를 수정했습니다.
  • 문제가 쿼리 데이터베이스 오류 파일 이름과 줄 번호를 표시하도록 변경되었습니다.
  • 폐지 예정이였던 다음의 메서드를 제거했습니다. orwhere, orlike, groupby, orhaving, orderby, getwhere
  • 비추천이였던 drop_database()와 create_database() 메서드를 데이터베이스 유틸리티 드라이버에서 삭제되었습니다.
  • 데이터베이스의 dbforge클래스에서 Postgres 드라이버의 create_table() 메서드를 개선했습니다.
• 헬퍼
  • 텍스트 헬퍼에 convert_accented_characters() 메소드를 추가했습니다.
  • 텍스트 헬퍼의 form_open() 함수에 삽입되는 속성 목록에 accept-charset를 추가했습니다.
  • 명명 규칙은 dohash()함수는 권장되지 않기 때문에 do_hash()로 사용하시기 바랍니다.
  • 파일 헬퍼의 get_dir_file_info() 메서드에서 이전 버전과 호환되지 않는 변경이 있었습니다. 또 책임있는 이용의 관점은 기본적으로 재귀를 수행하지 않습니다 (잘못하면 함수는 서버의 성능 문제를 일으킬 수 있습니다.)
  • 디렉토리 헬퍼의 directory_map() 메서드에서 재귀적으로 탐색하는 깊이를 두번째인자로 지정할 수 있습니다.
  • 파일 헬퍼의 delete_files() 메서드에서 실패하면 FALSE를 반환하도록 변경되었습니다.
  • 숫자 헬퍼의 byte_format() 메소드의 두번째인자로 정밀도를 지정할 수 있습니다.
  • 문자열 헬퍼의 random_string() 함수에 문자열 유형으로 alpha와 sha1을 추가했습니다.
  • prep_url() 함수에서 이미 스키마[역주 : "http://"등]가 붙은 문자열이 주어졌을 경우, http://로 추가하지 않도록 변경했습니다.
  • 파일 헬퍼 get_file_info 함수에서 수정된 시간을 가져오지 filectime()에서 filemtime()를 사용하도록 변경되었습니다.
  • smiley_js() 함수에서 script 태그를 포함하지 않는 JavaScript를 반환 옵션의 세번째인수를 추가했습니다.
  • HTML 헬퍼의 img() 메서드는 alt 속성이 지정되지 않은 경우 빈 alt 속성을 출력하도록합니다.
  • 어플리케이션 Config파일의 CSRF이 설정 되어있는 경우 form_open()가 자동으로 hidden 필드를 삽입합니다.
  • 보안 헬퍼에 sanitize_filename() 함수를 추가했습니다.
  • 텍스트 헬퍼에 ellipsize() 메소드를 추가했습니다.
  • 배열 헬퍼에 elements() 메소드를 추가했습니다.
• 기타변경사항
  • show_404()에 로그기록을 비활성화 하기 위한 두번째인수(옵션)을 추가했습니다.
  • 로더에서 클래스를 로드할 때 옵션으로 서브 클래스의 접두사를 자동으로 부여 될수 있게 하였습니다. 클래스 이름의 접두사는 표준 "CI_"또는 서브 클래스의 접두사와 동일하거나 접두사 없이 가능합니다.
  • is_really_writable()에서 동시에 수천, 수백번의 요청이 있을 경우 충돌을 방지하기 위해 난수의 범위를 크게 했습니다.
  • 디렉토리가 아닌 파일이 조작 될때 몇 가지 상수를 DIR_WRITE_MODE에서 FILE_WRITE_MODE로 변경되었습니다.
  • get_mime_by_extension()은 대소문자를 구분하지 않습니다.
  • 예약어목록에 "default"를 추가했습니다.
  • config/mimes.php에 'application/x-msdownload'(.exe)와 'application/x-gzip-compressed'(.tgz)를 추가했습니다.
  • zlib.output_compression가 활성화된 서버가 실행중인 경우, 출력클래스는 더 이상 출력의 압축과 content-length헤더의 전송은 수행하지 않습니다.
  • 출력 캐싱에서 필요하지 않은 경우 is_really_writable()를 호출하지 않도록 했습니다.
  • 출력 클래스에 append_output()문서를 만들었습니다.
  • 암호화 클래스에서 decode() 메소드 두번째인자의 문서를 작성했습니다.
  • db->close() 문서를 만들었습니다.
  • 기본 경로에 여러 세그먼트를 사용할 수 있도록 라우터를 변경했습니다.
  • remove_invisible_characters() 함수가 보안 클래스의 공통함수로 이동했습니다.
  • 올바른 MIME 유형으로 MP3를 audio/mpeg3을 추가했습니다.

2.0.0 버그수정

• 메일을 보낼 때 User-Agent를 변경할 수 없었던 불편을 수정했습니다.
• 출력 클래스에서 _output() 메서드에서 컨트롤러로 잘못된 캐시를 보내던 결함을 수정했습니다.
• 프로필러에서 실패한 쿼리가 쿼리실행시간을 갖을수 없었던 불편함을 수정했습니다.
• 여러 동일한 헬퍼와 플러그인이 로드될때 로그가 기록되는 문제를 수정했습니다.
• 사용자 설명서에 여러개의 잘못된 표기를 수정하였습니다 (#10693, #8951, #7825, #8660, #7883, #6771, #10656).
• 프로파일 언어 파일의 키를 "profiler_no_memory_usage"에서 "profiler_no_memory"로 수정했습니다.
• Zip 압축클래스에서 PHP4 서버에서 다운로드할 수없는 문제를 수정했습니다.
• Form Validation 클래스에서 매개변수로 전달되는 필드가 폼검증이 되지않는 문제를 수정했습니다 (#9132).
• 인플랙터(어형변환) 헬퍼에서 'ch'및 'sh'로 끝나는 단어를 복수형으로 될수 있도록 수정했습니다.
• xss_clean()가 전송된 URL의 쿼리 문자열 사이에 하이픈을 허락하지 않는 문제를 수정했습니다.
• 파일헬퍼의 get_dir_file_info()와 get_file_info()을 재귀 및 Windows에서 파일경로에 관한 결함을 수정했습니다.
• 데이터베이스의 구성파일에서 활성화되는 경우 Active Record의 오버레이드 파라메타에서 Active Record를 무효화 할 수없는 불편을 수정했습니다.
• 문자열헬퍼의 reduce_double_slashes()에서 앞문자열에 여러개의 슬래시를 확실히 제거하도록 수정했습니다 (#7585).
• XML-RPC 클래스의 values_parsing()에서 NULL값이 '문자열'로 제대로 처리되지 않는 문제를 수정했습니다.
• form_open_multipart()가 특성을 지정하는 인수를 허용하지 않았던 결함을 수정했습니다 (#10930).
• get_mime_by_extension()가 대소문자를 구분하는 불편을 수정했습니다 (#10470).
• SQLite와 Oracle드라이버의 일부 오류 메시지가 표시되지 않는 문제를 수정했습니다.
• Zip 압축클래스에서 생성된 파일의 생성년도가 1980이 되는 문제를 수정했습니다.
• 세션 클래스 개체를 저장 하려고 하면 PHP 오류가 발생하는 버그를 수정했습니다.
• Controller 클래스를 상속 하려고 하면 PHP의 fatal오류가 발생하는 버그를 수정했습니다.
• index.php 파일에서 PHP의 Strict Standards 오류를 수정했습니다.
• is_allowed_type()에서 getimagesize()가 이미지파일 이외에도 불필요하게 체크하는 결함을 수정했습니다.
• 암호화 클래스 키가 비어있는 경우 오류가 일어니지 않는 불편을 수정했습니다.
• 이메일 클래스에서 clear() 메서드를 사용했을 때 CC와 BCC가 재설정되지 않는 문제를 수정했습니다 (#109).
• PHP버전이 5.1.2 미만인 경우 URL 헬퍼의 prep_url()에서 PHP 오류가 발생하는 버그를 수정했습니다.
• 캐시 디렉토리의 설정이 없으면 core/output의 로그 메시지를 출력하도록 수정했습니다.
• load->library()에 배열을 전달해도 여러 라이브러리를 로드할 수없는 불편을 수정했습니다.
• HTML 헬퍼의 img() 함수에서 src와 alt사이에 필요 이상의 공백이 들어가는 문제를 수정했습니다.
• profilers_compile_queries() 메소드의 결함을 수정했습니다.
• 날짜 헬퍼에서 DATE_ISO8601 상수가 잘못된 형식의 날짜를 반환하는 문제를 수정했습니다.

이하 부분은 번역하지 않습니다.

Version 1.7.2

Release Date: September 11, 2009
Hg Tag: v1.7.2

• Libraries
  • Added a new Cart Class.
  • Added the ability to pass $config['file_name'] for the File Uploading Class and rename the uploaded file.
  • Changed order of listed user-agents so Safari would more accurately report itself. (#6844)
• Database
  • Switched from using gettype() in escape() to is_* methods, since future PHP versions might change its output.
  • Updated all database drivers to handle arrays in escape_str()
  • Added escape_like_str() method for escaping strings to be used in LIKE conditions
  • Updated Active Record to utilize the new LIKE escaping mechanism.
  • Added reconnect() method to DB drivers to try to keep alive / reestablish a connection after a long idle.
  • Modified MSSQL driver to use mssql_get_last_message() for error messages.
• Helpers
  • Added form_multiselect() to the Form helper.
  • Modified form_hidden() in the Form helper to accept multi-dimensional arrays.
  • Modified form_prep() in the Form helper to keep track of prepped fields to avoid multiple prep/mutation from subsequent calls which can occur when using Form Validation and form helper functions to output form fields.
  • Modified directory_map() in the Directory helper to allow the inclusion of hidden files, and to return FALSE on failure to read directory.
  • Modified the Smiley helper to work with multiple fields and insert the smiley at the last known cursor position.
• General
  • Compatible with PHP 5.3.0
  • Modified show_error() to allow sending of HTTP server response codes.
  • Modified show_404() to send 404 status code, removing non-CGI compatible header() statement from error_404.php template.
  • Added set_status_header() to the Common functions to allow use when the Output class is unavailable.
  • Added is_php() to Common functions to facilitate PHP version comparisons.

  • Added 2 CodeIgniter "cheatsheets" (thanks to DesignFellow.com for this contribution).

Bug fixes for 1.7.2

• Fixed assorted user guide typos or examples (#6743, #7214, #7516, #7287, #7852, #8224, #8324, #8349).
• Fixed a bug in the Form Validation library where multiple callbacks weren't working (#6110)
• doctype helper default value was missing a "1".
• Fixed a bug in the language class when outputting an error for an unfound file.
• Fixed a bug in the Calendar library where the shortname was output for "May".
• Fixed a bug with ORIG_PATH_INFO that was allowing URIs of just a slash through.
• Fixed a fatal error in the Oracle and ODBC drivers (#6752)
• Fixed a bug where xml_from_result() was checking for a nonexistent method.
• Fixed a bug where Database Forge's add_column and modify_column were not looping through when sent multiple fields.
• Fixed a bug where the File Helper was using '/' instead of the DIRECTORY_SEPARATOR constant.
• Fixed a bug to prevent PHP errors when attempting to use sendmail on servers that have manually disabled the PHP popen() function.
• Fixed a bug that would cause PHP errors in XML-RPC data if the PHP data type did not match the specified XML-RPC type.
• Fixed a bug in the XML-RPC class with parsing dateTime.iso8601 data types.
• Fixed a case sensitive string replacement in xss_clean()
• Fixed a bug in form_textarea() where form data was not prepped correctly.
• Fixed a bug in form_prep() causing it to not preserve entities in the user's original input when called back into a form element
• Fixed a bug in _protect_identifiers() where the swap prefix ($swap_pre) was not being observed.
• Fixed a bug where the 400 status header sent with the 'disallowed URI characters' was not compatible with CGI environments.
• Fixed a bug in the typography class where heading tags could have paragraph tags inserted when using auto_typography().

Version 1.7.1

Release Date: February 10, 2009
Hg Tag: 1.7.1

• Libraries
  • Fixed an arbitrary script execution security flaw (#6068) in the Form Validation library (thanks to hkk)
  • Changed default current page indicator in the Pagination library to use <strong> instead of <b>
  • A "HTTP/1.1 400 Bad Request" header is now sent when disallowed characters are encountered.
  • Added <big>, <small>, <q>, and <tt> to the Typography parser's inline elements.
  • Added more accurate error reporting for the Email library when using sendmail.
  • Removed a strict type check from the rotate() function of the Image Manipulation Class.
  • Added enhanced error checking in file saving in the Image library when using the GD lib.
  • Added an additional newline between multipart email headers and the MIME message text for better compatibility with a variety of MUAs.
  • Made modest improvements to efficiency and accuracy of explode_name() in the Image lib.
• Database
  • Added where_in to the list of expected arguments received by delete().
• Helpers
  • Added the ability to have optgroups in form_dropdown() within the form helper.
  • Added a doctype() function to the HTML helper.
  • Added ability to force lowercase for url_title() in the URL helper.
  • Changed the default "type" of form_button() to "button" from "submit" in the form helper.
  • Changed redirect() in the URL helper to allow redirections to URLs outside of the CI site.
  • Updated get_cookie() to try to fetch the cookie using the global cookie prefix if the requested cookie name doesn't exist.
• Other Changes
  • Improved security in xss_clean() to help prevent attacks targeting Internet Explorer.
  • Added 'application/msexcel' to config/mimes.php for .xls files.
  • Added 'proxy_ips' config item to whitelist reverse proxy servers from which to trust the HTTP_X_FORWARDED_FOR header to to determine the visitor's IP address.
  • Improved accuracy of Upload::is_allowed_filetype() for images (#6715)

Bug fixes for 1.7.1

• Database
  • Fixed a bug when doing 'random' on order_by() (#5706).
  • Fixed a bug where adding a primary key through Forge could fail (#5731).
  • Fixed a bug when using DB cache on multiple databases (#5737).
  • Fixed a bug where TRUNCATE was not considered a "write" query (#6619).
  • Fixed a bug where csv_from_result() was checking for a nonexistent method.
  • Fixed a bug _protect_identifiers() where it was improperly removing all pipe symbols from items
• Fixed assorted user guide typos or examples (#5998, #6093, #6259, #6339, #6432, #6521).
• Fixed a bug in the MySQLi driver when no port is specified
• Fixed a bug (#5702), in which the field label was not being fetched properly, when "matching" one field to another.
• Fixed a bug in which identifers were not being escaped properly when reserved characters were used.
• Fixed a bug with the regular expression used to protect submitted paragraph tags in auto typography.
• Fixed a bug where double dashes within tag attributes were being converted to em dash entities.
• Fixed a bug where double spaces within tag attributes were being converted to non-breaking space entities.
• Fixed some accuracy issues with curly quotes in Typography::format_characters()
• Changed a few docblock comments to reflect actual return values.
• Fixed a bug with high ascii characters in subject and from email headers.
• Fixed a bug in xss_clean() where whitespace following a validated character entity would not be preserved.
• Fixed a bug where HTML comments and <pre> tags were being parsed in Typography::auto_typography().
• Fixed a bug with non-breaking space cleanup in Typography::auto_typography().
• Fixed a bug in database escaping where a compound statement (ie: SUM()) wasn't handled correctly with database prefixes.
• Fixed a bug when an opening quote is preceded by a paragraph tag and immediately followed by another tag.
• Fixed a bug in the Text Helper affecting some locales where word_censor() would not work on words beginning or ending with an accented character.
• Fixed a bug in the Text Helper character limiter where the provided limit intersects the last word of the string.
• Fixed a bug (#6342) with plural() in the Inflection helper with words ending in "y".
• Fixed bug (#6517) where Routed URI segments returned by URI::rsegment() method were incorrect for the default controller.
• Fixed a bug (#6706) in the Security Helper where xss_clean() was using a deprecated second argument.
• Fixed a bug in the URL helper url_title() function where trailing periods were allowed at the end of a URL.
• Fixed a bug (#6669) in the Email class when CRLF's are used for the newline character with headers when used with the "mail" protocol.
• Fixed a bug (#6500) where URI::A_filter_uri() was exit()ing an error instead of using show_error().
• Fixed a bug (#6592) in the File Helper where get_dir_file_info() where recursion was not occurring properly.
• Tweaked Typography::auto_typography() for some edge-cases.

Version 1.7

Release Date: October 23, 2008
Hg Tag: 1.7.0

• Libraries
  • Added a new Form Validation Class. It simplifies setting rules and field names, supports arrays as field names, allows groups of validation rules to be saved in a config file, and adds some helper functions for use in view files. Please note that the old Validation class is now deprecated. We will leave it in the library folder for some time so that existing applications that use it will not break, but you are encouraged to migrate to the new version.
  • Updated the Sessions class so that any custom data being saved gets stored to a database rather than the session cookie (assuming you are using a database to store session data), permitting much more data to be saved.
  • Added the ability to store libraries in subdirectories within either the main "libraries" or the local application "libraries" folder. Please see the Loader class for more info.
  • Added the ability to assign library objects to your own variable names when you use $this->load->library(). Please see the Loader class for more info.
  • Added controller class/method info to Profiler class and support for multiple database connections.
  • Improved the "auto typography" feature and moved it out of the helper into its own Typography Class.
  • Improved performance and accuracy of xss_clean(), including reduction of false positives on image/file tests.
  • Improved Parser class to allow multiple calls to the parse() function. The output of each is appended in the output.
  • Added max_filename option to set a file name length limit in the File Upload Class.
  • Added set_status_header() function to Output class.
  • Modified Pagination class to only output the "First" link when the link for page one would not be shown.
  • Added support for mb_strlen in the Form Validation class so that multi-byte languages will calculate string lengths properly.
• Database
  • Improved Active Record class to allow full path column and table names: hostname.database.table.column. Also improved the alias handling.
  • Improved how table and column names are escaped and prefixed. It now honors full path names when adding prefixes and escaping.
  • Added Active Record caching feature to "update" and "delete" functions.
  • Added removal of non-printing control characters in escape_str() of DB drivers that do not have native PHP escaping mechanisms (mssql, oci8, odbc), to avoid potential SQL errors, and possible sources of SQL injection.
  • Added port support to MySQL, MySQLi, and MS SQL database drivers.
  • Added driver name variable in each DB driver, based on bug report #4436.
• Helpers
  • Added several new "setting" functions to the Form helper that allow POST data to be retrieved and set into forms. These are intended to be used on their own, or with the new Form Validation Class.
  • Added current_url() and uri_segments() to URL helper.
  • Altered auto_link() in the URL helper so that email addresses with "+" included will be linked.
  • Added meta() function to HTML helper.
  • Improved accuracy of calculations in Number helper.
  • Removed added newlines ("\n") from most form and html helper functions.
  • Tightened up validation in the Date helper function human_to_unix(), and eliminated the POSIX regex.
  • Updated Date helper to match the world's current time zones and offsets.
  • Modified url_title() in the URL helper to remove characters and digits that are part of character entities, to allow dashes, underscores, and periods regardless of the $separator, and to allow uppercase characters.
  • Added support for arbitrary attributes in anchor_popup() of the URL helper.
• Other Changes
  • Added PHP Style Guide to docs.
  • Added sanitization in xss_clean() for a deprecated HTML tag that could be abused in user input in Internet Explorer.
  • Added a few openxml document mime types, and an additional mobile agent to mimes.php and user_agents.php respectively.
  • Added a file lock check during caching, before trying to write to the file.
  • Modified Cookie key cleaning to unset a few troublesome key names that can be present in certain environments, preventing CI from halting execution.
  • Changed the output of the profiler to use style attribute rather than clear, and added the id "codeigniter_profiler" to the container div.

Bug fixes for 1.7.0

• Fixed bug in xss_clean() that could remove some desirable tag attributes.
• Fixed assorted user guide typos or examples (#4807, #4812, #4840, #4862, #4864, #4899, #4930, #5006, #5071, #5158, #5229, #5254, #5351).
• Fixed an edit from 1.6.3 that made the $robots array in user_agents.php go poof.
• Fixed a bug in the Email library with quoted-printable encoding improperly encoding space and tab characters.
• Modified XSS sanitization to no longer add semicolons after &[single letter], such as in M&M's, B&B, etc.
• Modified XSS sanitization to no longer strip XHTML image tags of closing slashes.
• Fixed a bug in the Session class when database sessions are used where upon session update all userdata would be errantly written to the session cookie.
• Fixed a bug (#4536) in backups with the MySQL driver where some legacy code was causing certain characters to be double escaped.
• Fixed a routing bug (#4661) that occurred when the default route pointed to a subfolder.
• Fixed the spelling of "Dhaka" in the timezone_menu() function of the Date helper.
• Fixed the spelling of "raspberry" in config/smileys.php.
• Fixed incorrect parenthesis in form_open() function (#5135).
• Fixed a bug that was ignoring case when comparing controller methods (#4560).
• Fixed a bug (#4615) that was not setting SMTP authorization settings when using the initialize function.
• Fixed a bug in highlight_code() in the Text helper that would leave a stray </span> in certain cases.
• Fixed Oracle bug (#3306) that was preventing multiple queries in one action.
• Fixed ODBC bug that was ignoring connection params due to its use of a constructor.
• Fixed a DB driver bug with num_rows() that would cause an error with the Oracle driver.
• Fixed MS SQL bug (#4915). Added brackets around database name in MS SQL driver when selecting the database, in the event that reserved characters are used in the name.
• Fixed a DB caching bug (4718) in which the path was incorrect when no URI segments were present.
• Fixed Image_lib class bug #4562. A path was not defined for NetPBM.
• Fixed Image_lib class bug #4532. When cropping an image with identical height/width settings on output, a copy is made.
• Fixed DB_driver bug (4900), in which a database error was not being logged correctly.
• Fixed DB backup bug in which field names were not being escaped.
• Fixed a DB Active Record caching bug in which multiple calls to cached data were not being honored.
• Fixed a bug in the Session class that was disallowing slashes in the serialized array.
• Fixed a Form Validation bug in which the "isset" error message was being trigged by the "required" rule.
• Fixed a spelling error in a Loader error message.
• Fixed a bug (5050) with IP validation with empty segments.
• Fixed a bug in which the parser was being greedy if multiple identical sets of tags were encountered.

Version 1.6.3

Release Date: June 26, 2008
Hg Tag: v1.6.3

Version 1.6.3 is a security and maintenance release and is recommended for all users.

• Database
  • Modified MySQL/MySQLi Forge class to give explicit names to keys
  • Added ability to set multiple column non-primary keys to the Forge class
  • Added ability to set additional database config values in DSN connections via the query string.
• Libraries
  • Set the mime type check in the Upload class to reference the global mimes variable.
  • Added support for query strings to the Pagination class, automatically detected or explicitly declared.
  • Added get_post() to the Input class.
  • Documented get() in the Input class.
  • Added the ability to automatically output language items as form labels in the Language class.
• Helpers
  • Added a Language helper.
  • Added a Number helper.
  • Form helper refactored to allow form_open() and form_fieldset() to accept arrays or strings as arguments.
• Other changes
  • Improved security in xss_clean().
  • Removed an unused Router reference in _display_cache().
  • Added ability to use xss_clean() to test images for XSS, useful for upload security.
  • Considerably expanded list of mobile user-agents in config/user_agents.php.
  • Charset information in the userguide has been moved above title for internationalization purposes (#4614).
  • Added "Using Associative Arrays In a Request Parameter" example to the XMLRPC userguide page.
  • Removed maxlength and size as automatically added attributes of form_input() in the form helper.
  • Documented the language file use of byte_format() in the number helper.

Bug fixes for 1.6.3

• Added a language key for valid_emails in validation_lang.php.
• Amended fixes for bug (#3419) with parsing DSN database connections.
• Moved the _has_operators() function (#4535) into DB_driver from DB_active_rec.
• Fixed a syntax error in upload_lang.php.
• Fixed a bug (#4542) with a regular expression in the Image library.
• Fixed a bug (#4561) where orhaving() wasn't properly passing values.
• Removed some unused variables from the code (#4563).
• Fixed a bug where having() was not adding an = into the statement (#4568).
• Fixed assorted user guide typos or examples (#4574, #4706).
• Added quoted-printable headers to Email class when the multi-part override is used.
• Fixed a double opening <p> tag in the index pages of each system directory.

Version 1.6.2

Release Date: May 13, 2008
Hg Tag: 1.6.2

• Active Record
  • Added the ability to prevent escaping in having() clauses.
  • Added rename_table() into DBForge.
  • Fixed a bug that wasn't allowing escaping to be turned off if the value of a query was NULL.
  • DB Forge is now assigned to any models that exist after loading (#3457).
• Database
  • Added Strict Mode to database transactions.
  • Escape behaviour in where() clauses has changed; values in those with the "FALSE" argument are no longer escaped (ie: quoted).
• Config
  • Added 'application/vnd.ms-powerpoint' to list of mime types.
  • Added 'audio/mpg' to list of mime types.
  • Added new user-modifiable file constants.php containing file mode and fopen constants.
  • Added the ability to set CRLF settings via config in the Email class.
• Libraries
  • Added increased security for filename handling in the Upload library.
  • Added increased security for sessions for client-side data tampering.
  • The MySQLi forge class is now in sync with MySQL forge.
  • Added the ability to set CRLF settings via config in the Email class.
  • Unit Testing results are now colour coded, and a change was made to the default template of results.
  • Added a valid_emails rule to the Validation class.
  • The Zip class now exits within download().
  • The Zip class has undergone a substantial re-write for speed and clarity (thanks stanleyxu for the hard work and code contribution in bug report #3425!)
• Helpers
  • Added a Compatibility Helper for using some common PHP 5 functions safely in applications that might run on PHP 4 servers (thanks Seppo for the hard work and code contribution!)
  • Added form_button() in the Form helper.
  • Changed the radio() and checkbox() functions to default to not checked by default.
  • Added the ability to include an optional HTTP Response Code in the redirect() function of the URL Helper.
  • Modified img() in the HTML Helper to remove an unneeded space (#4208).
  • Modified anchor() in the URL helper to no longer add a default title= attribute (#4209).
  • The Download helper now exits within force_download().
  • Added get_dir_file_info(), get_file_info(), and get_mime_by_extension() to the File Helper.
  • Added symbolic_permissions() and octal_permissions() to the File helper.
• Plugins
  • Modified captcha generation to first look for the function imagecreatetruecolor, and fallback to imagecreate if it isn't available (#4226).
• Other Changes
  • Added ability for xss_clean() to accept arrays.
  • Removed closing PHP tags from all PHP files to avoid accidental output and potential 'cannot modify headers' errors.
  • Removed "scripts" from the auto-load search path. Scripts were deprecated in Version 1.4.1 (September 21, 2006). If you still need to use them for legacy reasons, they must now be manually loaded in each Controller.
  • Added a Reserved Names page to the userguide, and migrated reserved controller names into it.
  • Added a Common Functions page to the userguide for globally available functions.
  • Improved security and performance of xss_clean().

Bugfixes for 1.6.2

• Fixed a bug where SET queries were not being handled as "write" queries.
• Fixed a bug (#3191) with ORIG_PATH_INFO URI parsing.
• Fixed a bug in DB Forge, when inserting an id field (#3456).
• Fixed a bug in the table library that could cause identically constructed rows to be dropped (#3459).
• Fixed DB Driver and MySQLi result driver checking for resources instead of objects (#3461).
• Fixed an AR_caching error where it wasn't tracking table aliases (#3463).
• Fixed a bug in AR compiling, where select statements with arguments got incorrectly escaped (#3478).
• Fixed an incorrect documentation of $this->load->language (#3520).
• Fixed bugs (#3523, #4350) in get_filenames() with recursion and problems with Windows when $include_path is used.
• Fixed a bug (#4153) in the XML-RPC class preventing dateTime.iso8601 from being used.
• Fixed an AR bug with or_where_not_in() (#4171).
• Fixed a bug with xss_clean() that would add semicolons to GET URI variable strings.
• Fixed a bug (#4206) in the Directory Helper where the directory resource was not being closed, and minor improvements.
• Fixed a bug in the FTP library where delete_dir() was not working recursively (#4215).
• Fixed a Validation bug when set_rules() is used with a non-array field name and rule (#4220).
• Fixed a bug (#4223) where DB caching would not work for returned DB objects or multiple DB connections.
• Fixed a bug in the Upload library that might output the same error twice (#4390).
• Fixed an AR bug when joining with a table alias and table prefix (#4400).
• Fixed a bug in the DB class testing the $params argument.
• Fixed a bug in the Table library where the integer 0 in cell data would be displayed as a blank cell.
• Fixed a bug in link_tag() of the URL helper where a key was passed instead of a value.
• Fixed a bug in DB_result::row() that prevented it from returning individual fields with MySQL NULL values.
• Fixed a bug where SMTP emails were not having dot transformation performed on lines that begin with a dot.
• Fixed a bug in display_error() in the DB driver that was instantiating new Language and Exception objects, and not using the error heading.
• Fixed a bug (#4413) where a URI containing slashes only e.g. 'http://example.com/index.php?//' would result in PHP errors
• Fixed an array to string conversion error in the Validation library (#4425)
• Fixed bug (#4451, #4299, #4339) where failed transactions will not rollback when debug mode is enabled.
• Fixed a bug (#4506) with overlay_watermark() in the Image library preventing support for PNG-24s with alpha transparency
• Fixed assorted user guide typos (#3453, #4364, #4379, #4399, #4408, #4412, #4448, #4488).

Version 1.6.1

Release Date: February 12, 2008
Hg Tag: 1.6.1

• Active Record
  • Added Active Record Caching.
  • Made Active Record fully database-prefix aware.
• Database drivers
  • Added support for setting client character set and collation for MySQLi.
• Core Changes
  • Modified xss_clean() to be more intelligent with its handling of URL encoded strings.
  • Added $_SERVER, $_FILES, $_ENV, and $_SESSION to sanitization of globals.
  • Added a Path Helper.
  • Simplified _reindex_segments() in the URI class.
  • Escaped the '-' in the default 'permitted_uri_chars' config item, to prevent errors if developers just try to add additional characters to the end of the default expression.
  • Modified method calling to controllers to show a 404 when a private or protected method is accessed via a URL.
  • Modified framework initiated 404s to log the controller and method for invalid requests.
• Helpers
  • Modified get_filenames() in the File Helper to return FALSE if the $source_dir is not readable.

Bugfixes for 1.6.1

• Deprecated is_numeric as a validation rule. Use of numeric and integer are preferred.
• Fixed bug (#3379) in DBForge with SQLite for table creation.
• Made Active Record fully database prefix aware (#3384).
• Fixed a bug where DBForge was outputting invalid SQL in Postgres by adding brackets around the tables in FROM.
• Changed the behaviour of Active Record's update() to make the WHERE clause optional (#3395).
• Fixed a bug (#3396) where certain POST variables would cause a PHP warning.
• Fixed a bug in query binding (#3402).
• Changed order of SQL keywords in the Profiler $highlight array so OR would not be highlighted before ORDER BY.
• Fixed a bug (#3404) where the MySQLi driver was testing if $this->conn_id was a resource instead of an object.
• Fixed a bug (#3419) connecting to a database via a DSN string.
• Fixed a bug (#3445) where the routed segment array was not re-indexed to begin with 1 when the default controller is used.
• Fixed assorted user guide typos.

Version 1.6.0

Release Date: January 30, 2008

• DBForge
  • Added DBForge to the database tools.
  • Moved create_database() and drop_database() into DBForge.
  • Added add_field(), add_key(), create_table(), drop_table(), add_column(), drop_column(), modify_column() into DBForge.
• Active Record
  • Added protect_identifiers() in Active Record.
  • All AR queries are backticked if appropriate to the database.
  • Added where_in(), or_where_in(), where_not_in(), or_where_not_in(), not_like() and or_not_like() to Active Record.
  • Added support for limit() into update() and delete() statements in Active Record.
  • Added empty_table() and truncate_table() to Active Record.
  • Added the ability to pass an array of tables to the delete() statement in Active Record.
  • Added count_all_results() function to Active Record.
  • Added select_max(), select_min(), select_avg() and select_sum() to Active Record.
  • Added the ability to use aliases with joins in Active Record.
  • Added a third parameter to Active Record's like() clause to control where the wildcard goes.
  • Added a third parameter to set() in Active Record that withholds escaping data.
  • Changed the behaviour of variables submitted to the where() clause with no values to auto set "IS NULL"
• Other Database Related
  • MySQL driver now requires MySQL 4.1+
  • Added $this->DB->save_queries variable to DB driver, enabling queries to get saved or not. Previously they were always saved.
  • Added $this->db->dbprefix() to manually add database prefixes.
  • Added 'random' as an order_by() option , and removed "rand()" as a listed option as it was MySQL only.
  • Added a check for NULL fields in the MySQL database backup utility.
  • Added "constrain_by_prefix" parameter to db->list_table() function. If set to TRUE it will limit the result to only table names with the current prefix.
  • Deprecated from Active Record; getwhere() for get_where(); groupby() for group_by(); havingor() for having_or(); orderby() for order_by; orwhere() for or_where(); and orlike() for or_like().
  • Modified csv_from_result() to output CSV data more in the spirit of basic rules of RFC 4180.
  • Added 'char_set' and 'dbcollat' database configuration settings, to explicitly set the client communication properly.
  • Removed 'active_r' configuration setting and replaced with a global $active_record setting, which is more in harmony with the global nature of the behavior (#1834).
• Core changes
  • Added ability to load multiple views, whose content will be appended to the output in the order loaded.
  • Added the ability to auto-load Models.
  • Reorganized the URI and Routes classes for better clarity.
  • Added Compat.php to allow function overrides for older versions of PHP or PHP environments missing certain extensions / libraries
  • Added memory usage, GET, URI string data, and individual query execution time to Profiler output.
  • Deprecated Scaffolding.
  • Added is_really_writable() to Common.php to provide a cross-platform reliable method of testing file/folder writability.
• Libraries
  • Changed the load protocol of Models to allow for extension.
  • Strengthened the Encryption library to help protect against man in the middle attacks when MCRYPT_MODE_CBC mode is used.
  • Added Flashdata variables, session_id regeneration and configurable session update times to the Session class.
  • Removed 'last_visit' from the Session class.
  • Added a language entry for valid_ip validation error.
  • Modified prep_for_form() in the Validation class to accept arrays, adding support for POST array validation (via callbacks only)
  • Added an "integer" rule into the Validation library.
  • Added valid_base64() to the Validation library.
  • Documented clear() in the Image Processing library.
  • Changed the behaviour of custom callbacks so that they no longer trigger the "required" rule.
  • Modified Upload class $_FILES error messages to be more precise.
  • Moved the safe mode and auth checks for the Email library into the constructor.
  • Modified variable names in _ci_load() method of Loader class to avoid conflicts with view variables.
  • Added a few additional mime type variations for CSV.
  • Enabled the 'system' methods for the XML-RPC Server library, except for 'system.multicall' which is still disabled.
• Helpers & Plugins
  • Added link_tag() to the HTML helper.
  • Added img() to the HTML helper.
  • Added ability to "extend" Helpers.
  • Added an email helper into core helpers.
  • Added strip_quotes() function to string helper.
  • Added reduce_multiples() function to string helper.
  • Added quotes_to_entities() function to string helper.
  • Added form_fieldset(), form_fieldset_close(), form_label(), and form_reset() function to form helper.
  • Added support for external urls in form_open().
  • Removed support for db_backup in MySQLi due to incompatible functions.
  • Javascript Calendar plugin now uses the months and days from the calendar language file, instead of hard-coded values, internationalizing it.
• Documentation Changes
  • Added Writing Documentation section for the community to use in writing their own documentation.
  • Added titles to all user manual pages.
  • Added attributes into <html> of userguide for valid html.
  • Added Zip Encoding Class to the table of contents of the userguide.
  • Moved part of the userguide menu javascript to an external file.
  • Documented distinct() in Active Record.
  • Documented the timezones() function in the Date Helper.
  • Documented unset_userdata in the Session class.
  • Documented 2 config options to the Database configuration page.

Bug fixes for Version 1.6.0

• Fixed a bug (#1813) preventing using $CI->db in the same application with returned database objects.
• Fixed a bug (#1842) where the $this->uri->rsegments array would not include the 'index' method if routed to the controller without an implicit method.
• Fixed a bug (#1872) where word_limiter() was not retaining whitespace.
• Fixed a bug (#1890) in csv_from_result() where content that included the delimiter would break the file.
• Fixed a bug (#2542)in the clean_email() method of the Email class to allow for non-numeric / non-sequential array keys.
• Fixed a bug (#2545) in _html_entity_decode_callback() when 'global_xss_filtering' is enabled.
• Fixed a bug (#2668) in the parser class where numeric data was ignored.
• Fixed a bug (#2679) where the "previous" pagination link would get drawn on the first page.
• Fixed a bug (#2702) in _object_to_array that broke some types of inserts and updates.
• Fixed a bug (#2732) in the SQLite driver for PHP 4.
• Fixed a bug (#2754) in Pagination to scan for non-positive num_links.
• Fixed a bug (#2762) in the Session library where user agent matching would fail on user agents ending with a space.
• Fixed a bug (#2784) $field_names[] vs $Ffield_names[] in postgres and sqlite drivers.
• Fixed a bug (#2810) in the typography helper causing extraneous paragraph tags when string contains tags.
• Fixed a bug (#2849) where arguments passed to a subfolder controller method would be incorrectly shifted, dropping the 3rd segment value.
• Fixed a bug (#2858) which referenced a wrong variable in the Image class.
• Fixed a bug (#2875)when loading plugin files as _plugin. and not _pi.
• Fixed a bug (#2912) in get_filenames() in the File Helper where the array wasn't cleared after each call.
• Fixed a bug (#2974) in highlight_phrase() that caused an error with slashes.
• Fixed a bug (#3003) in the Encryption Library to support modes other than MCRYPT_MODE_ECB
• Fixed a bug (#3015) in the User Agent library where more then 2 languages where not reported with languages().
• Fixed a bug (#3017) in the Email library where some timezones were calculated incorrectly.
• Fixed a bug (#3024) in which master_dim wasn't getting reset by clear() in the Image library.
• Fixed a bug (#3156) in Text Helper highlight_code() causing PHP tags to be handled incorrectly.
• Fixed a bug (#3166) that prevented num_rows from working in Oracle.
• Fixed a bug (#3175) preventing certain libraries from working properly when autoloaded in PHP 4.
• Fixed a bug (#3267) in the Typography Helper where unordered list was listed "un.
• Fixed a bug (#3268) where the Router could leave '/' as the path.
• Fixed a bug (#3279) where the Email class was sending the wrong Content-Transfer-Encoding for some character sets.
• Fixed a bug (#3284) where the rsegment array would not be set properly if the requested URI contained more segments than the routed URI.
• Removed extraneous load of $CFG in _display_cache() of the Output class (#3285).
• Removed an extraneous call to loading models (#3286).
• Fixed a bug (#3310) with sanitization of globals in the Input class that could unset CI's global variables.
• Fixed a bug (#3314) which would cause the top level path to be deleted in delete_files() of the File helper.
• Fixed a bug (#3328) where the smiley helper might return an undefined variable.
• Fixed a bug (#3330) in the FTP class where a comparison wasn't getting made.
• Removed an unused parameter from Profiler (#3332).
• Fixed a bug in database driver where num_rows property wasn't getting updated.
• Fixed a bug in the upload library when allowed_files wasn't defined.
• Fixed a bug in word_wrap() of the Text Helper that incorrectly referenced an object.
• Fixed a bug in Validation where valid_ip() wasn't called properly.
• Fixed a bug in Validation where individual error messages for checkboxes wasn't supported.
• Fixed a bug in captcha calling an invalid PHP function.
• Fixed a bug in the cookie helper "set_cookie" function. It was not honoring the config settings.
• Fixed a bug that was making validation callbacks required even when not set as such.
• Fixed a bug in the XML-RPC library so if a type is specified, a more intelligent decision is made as to the default type.
• Fixed an example of comma-separated emails in the email library documentation.
• Fixed an example in the Calendar library for Showing Next/Previous Month Links.
• Fixed a typo in the database language file.
• Fixed a typo in the image language file "suppor" to "support".
• Fixed an example for XML RPC.
• Fixed an example of accept_charset() in the User Agent Library.
• Fixed a typo in the docblock comments that had CodeIgniter spelled CodeIgnitor.
• Fixed a typo in the String Helper (uniquid changed to uniqid).
• Fixed typos in the email Language class (email_attachment_unredable, email_filed_smtp_login), and FTP Class (ftp_unable_to_remame).
• Added a stripslashes() into the Upload Library.
• Fixed a series of grammatical and spelling errors in the language files.
• Fixed assorted user guide typos.

Version 1.5.4

Release Date: July 12, 2007

• Added custom Language files to the autoload options.
• Added stripslashes() to the _clean_input_data() function in the Input class when magic quotes is on so that data will always be un-slashed within the framework.
• Added array to string into the profiler.
• Added some additional mime types in application/config/mimes.php.
• Added filename_security() method to Input library.
• Added some additional arguments to the Inflection helper singular() to compensate for words ending in "s". Also added a force parameter to pluralize().
• Added $config['charset'] to the config file. Default value is 'UTF-8', used in some string handling functions.
• Fixed MSSQL insert_id().
• Fixed a logic error in the DB trans_status() function. It was incorrectly returning TRUE on failure and FALSE on success.
• Fixed a bug that was allowing multiple load attempts on extended classes.
• Fixed a bug in the bootstrap file that was incorrectly attempting to discern the full server path even when it was explicity set by the user.
• Fixed a bug in the escape_str() function in the MySQL driver.
• Fixed a typo in the Calendar library
• Fixed a typo in rpcs.php library
• Fixed a bug in the Zip library, providing PC Zip file compatibility with Mac OS X
• Fixed a bug in router that was ignoring the scaffolding route for optimization
• Fixed an IP validation bug.
• Fixed a bug in display of POST keys in the Profiler output
• Fixed a bug in display of queries with characters that would be interpreted as HTML in the Profiler output
• Fixed a bug in display of Email class print debugger with characters that would be interpreted as HTML in the debugging output
• Fixed a bug in the Content-Transfer-Encoding of HTML emails with the quoted-printable MIME type
• Fixed a bug where one could unset certain PHP superglobals by setting them via GET or POST data
• Fixed an undefined function error in the insert_id() function of the PostgreSQL driver
• Fixed various doc typos.
• Documented two functions from the String helper that were missing from the user guide: trim_slashes() and reduce_double_slashes().
• Docs now validate to XHTML 1 transitional
• Updated the XSS Filtering to take into account the IE expression() ability and improved certain deletions to prevent possible exploits
• Modified the Router so that when Query Strings are Enabled, the controller trigger and function trigger values are sanitized for filename include security.
• Modified the is_image() method in the Upload library to take into account Windows IE 6/7 eccentricities when dealing with MIMEs
• Modified XSS Cleaning routine to be more performance friendly and compatible with PHP 5.2's new PCRE backtrack and recursion limits.
• Modified the URL Helper to type cast the $title as a string in case a numeric value is supplied
• Modified Form Helper form_dropdown() to type cast the keys and values of the options array as strings, allowing numeric values to be properly set as 'selected'
• Deprecated the use if is_numeric() in various places since it allows periods. Due to compatibility problems with ctype_digit(), making it unreliable in some installations, the following regular expression was used instead: preg_match("/[^0-9]/", $n)
• Deprecated: APPVER has been deprecated and replaced with CI_VERSION for clarity.

Version 1.5.3

Release Date: April 15, 2007

• Added array to string into the profiler
• Code Igniter references updated to CodeIgniter
• pMachine references updated to EllisLab
• Fixed a bug in the repeater function of string helper.
• Fixed a bug in ODBC driver
• Fixed a bug in result_array() that was returning an empty array when no result is produced.
• Fixed a bug in the redirect function of the url helper.
• Fixed an undefined variable in Loader
• Fixed a version bug in the Postgres driver
• Fixed a bug in the textarea function of the form helper for use with strings
• Fixed doc typos.

Version 1.5.2

Release Date: February 13, 2007

• Added subversion information to the downloads page.
• Added support for captions in the Table Library
• Fixed a bug in the download_helper that was causing Internet Explorer to load rather than download
• Fixed a bug in the Active Record Join function that was not taking table prefixes into consideration.
• Removed unescaped variables in error messages of Input and Router classes
• Fixed a bug in the Loader that was causing errors on Libraries loaded twice. A debug message is now silently made in the log.
• Fixed a bug in the form helper that gave textarea a value attribute
• Fixed a bug in the Image Library that was ignoring resizing the same size image
• Fixed some doc typos.

Version 1.5.1

Release Date: November 23, 2006

• Added support for submitting arrays of libraries in the $this->load->library function.
• Added support for naming custom library files in lower or uppercase.
• Fixed a bug related to output buffering.
• Fixed a bug in the active record class that was not resetting query data after a completed query.
• Fixed a bug that was suppressing errors in controllers.
• Fixed a problem that can cause a loop to occur when the config file is missing.
• Fixed a bug that occurred when multiple models were loaded with the third parameter set to TRUE.
• Fixed an oversight that was not unsetting globals properly in the input sanitize function.
• Fixed some bugs in the Oracle DB driver.
• Fixed an incorrectly named variable in the MySQLi result driver.
• Fixed some doc typos.

Version 1.5.0.1

Release Date: October 31, 2006

• Fixed a problem in which duplicate attempts to load helpers and classes were not being stopped.
• Fixed a bug in the word_wrap() helper function.
• Fixed an invalid color Hex number in the Profiler class.
• Fixed a corrupted image in the user guide.

Version 1.5.0

Release Date: October 30, 2006

• Added DB utility class, permitting DB backups, CVS or XML files from DB results, and various other functions.
• Added Database Caching Class.
• Added transaction support to the database classes.
• Added Profiler Class which generates a report of Benchmark execution times, queries, and POST data at the bottom of your pages.
• Added User Agent Library which allows browsers, robots, and mobile devises to be identified.
• Added HTML Table Class , enabling tables to be generated from arrays or database results.
• Added Zip Encoding Library.
• Added FTP Library.
• Added the ability to extend libraries and extend core classes, in addition to being able to replace them.
• Added support for storing models within sub-folders.
• Added Download Helper.
• Added simple_query() function to the database classes
• Added standard_date() function to the Date Helper.
• Added $query->free_result() to database class.
• Added $query->list_fields() function to database class
• Added $this->db->platform() function
• Added new File Helper: get_filenames()
• Added new helper: Smiley Helper
• Added support for <ul> and <ol> lists in the HTML Helper
• Added the ability to rewrite short tags on-the-fly, converting them to standard PHP statements, for those servers that do not support short tags. This allows the cleaner syntax to be used regardless of whether it's supported by the server.
• Added the ability to rename or relocate the "application" folder.
• Added more thorough initialization in the upload class so that all class variables are reset.
• Added "is_numeric" to validation, which uses the native PHP is_numeric function.
• Improved the URI handler to make it more reliable when the $config['uri_protocol'] item is set to AUTO.
• Moved most of the functions in the Controller class into the Loader class, allowing fewer reserved function names for controllers when running under PHP 5.
• Updated the DB Result class to return an empty array when $query->result() doesn't produce a result.
• Updated the input->cookie() and input->post() functions in Input Class to permit arrays contained cookies that are arrays to be run through the XSS filter.
• Documented three functions from the Validation class that were missing from the user guide: set_select(), set_radio(), and set_checkbox().
• Fixed a bug in the Email class related to SMTP Helo data.
• Fixed a bug in the word wrapping helper and function in the email class.
• Fixed a bug in the validation class.
• Fixed a bug in the typography helper that was incorrectly wrapping block level elements in paragraph tags.
• Fixed a problem in the form_prep() function that was double encoding entities.
• Fixed a bug that affects some versions of PHP when output buffering is nested.
• Fixed a bug that caused CI to stop working when the PHP magic __get() or __set() functions were used within models or controllers.
• Fixed a pagination bug that was permitting negative values in the URL.
• Fixed an oversight in which the Loader class was not allowed to be extended.
• Changed _get_config() to get_config() since the function is not a private one.
• Deprecated "init" folder. Initialization happens automatically now. Please see documentation.
• Deprecated $this->db->field_names() USE $this->db->list_fields()
• Deprecated the $config['log_errors'] item from the config.php file. Instead, $config['log_threshold'] can be set to "0" to turn it off.

Version 1.4.1

Release Date: September 21, 2006

• Added a new feature that passes URI segments directly to your function calls as parameters. See the Controllers page for more info.
• Added support for a function named _output(), which when used in your controllers will received the final rendered output from the output class. More info in the Controllers page.
• Added several new functions in the URI Class to let you retrieve and manipulate URI segments that have been re-routed using the URI Routing feature. Previously, the URI class did not permit you to access any re-routed URI segments, but now it does.
• Added $this->output->set_header() function, which allows you to set server headers.
• Updated plugins, helpers, and language classes to allow your application folder to contain its own plugins, helpers, and language folders. Previously they were always treated as global for your entire installation. If your application folder contains any of these resources they will be used instead the global ones.
• Added Inflector helper.
• Added element() function in the array helper.
• Added RAND() to active record orderby() function.
• Added delete_cookie() and get_cookie() to Cookie helper, even though the input class has a cookie fetching function.
• Added Oracle database driver (still undergoing testing so it might have some bugs).
• Added the ability to combine pseudo-variables and php variables in the template parser class.
• Added output compression option to the config file.
• Removed the is_numeric test from the db->escape() function.
• Fixed a MySQLi bug that was causing error messages not to contain proper error data.
• Fixed a bug in the email class which was causing it to ignore explicitly set alternative headers.
• Fixed a bug that was causing a PHP error when the Exceptions class was called within the get_config() function since it was causing problems.
• Fixed an oversight in the cookie helper in which the config file cookie settings were not being honored.
• Fixed an oversight in the upload class. An item mentioned in the 1.4 changelog was missing.
• Added some code to allow email attachments to be reset when sending batches of email.
• Deprecated the application/scripts folder. It will continue to work for legacy users, but it is recommended that you create your own libraries or models instead. It was originally added before CI had user libraries or models, but it's not needed anymore.
• Deprecated the $autoload['core'] item from the autoload.php file. Instead, please now use: $autoload['libraries']
• Deprecated the following database functions: $this->db->smart_escape_str() and $this->db->fields().

Version 1.4.0

Release Date: September 17, 2006

• Added Hooks feature, enabling you to tap into and modify the inner workings of the framework without hacking the core files.
• Added the ability to organize controller files into sub-folders. Kudos to Marco for suggesting this (and the next two) feature.
• Added regular expressions support for routing rules.
• Added the ability to remap function calls within your controllers.
• Added the ability to replace core system classes with your own classes.
• Added support for % character in URL.
• Added the ability to supply full URLs using the anchor() helper function.
• Added mode parameter to file_write() helper.
• Added support for changing the port number in the Postgres driver.
• Moved the list of "allowed URI characters" out of the Router class and into the config file.
• Moved the MIME type array out of the Upload class and into its own file in the applications/config/ folder.
• Updated the Upload class to allow the upload field name to be set when calling do_upload().
• Updated the Config Library to be able to load config files silently, and to be able to assign config files to their own index (to avoid collisions if you use multiple config files).
• Updated the URI Protocol code to allow more options so that URLs will work more reliably in different environments.
• Updated the form_open() helper to allow the GET method to be used.
• Updated the MySQLi execute() function with some code to help prevent lost connection errors.
• Updated the SQLite Driver to check for object support before attempting to return results as objects. If unsupported it returns an array.
• Updated the Models loader function to allow multiple loads of the same model.
• Updated the MS SQL driver so that single quotes are escaped.
• Updated the Postgres and ODBC drivers for better compatibility.
• Removed a strtolower() call that was changing URL segments to lower case.
• Removed some references that were interfering with PHP 4.4.1 compatibility.
• Removed backticks from Postgres class since these are not needed.
• Renamed display() to _display() in the Output class to make it clear that it's a private function.
• Deprecated the hash() function due to a naming conflict with a native PHP function with the same name. Please use dohash() instead.
• Fixed an bug that was preventing the input class from unsetting GET variables.
• Fixed a router bug that was making it too greedy when matching end segments.
• Fixed a bug that was preventing multiple discrete database calls.
• Fixed a bug in which loading a language file was producing a "file contains no data" message.
• Fixed a session bug caused by the XSS Filtering feature inadvertently changing the case of certain words.
• Fixed some missing prefixes when using the database prefix feature.
• Fixed a typo in the Calendar class (cal_november).
• Fixed a bug in the form_checkbox() helper.
• Fixed a bug that was allowing the second segment of the URI to be identical to the class name.
• Fixed an evaluation bug in the database initialization function.
• Fixed a minor bug in one of the error messages in the language class.
• Fixed a bug in the date helper timespan function.
• Fixed an undefined variable in the DB Driver class.
• Fixed a bug in which dollar signs used as binding replacement values in the DB class would be treated as RegEx back-references.
• Fixed a bug in the set_hash() function which was preventing MD5 from being used.
• Fixed a couple bugs in the Unit Testing class.
• Fixed an incorrectly named variable in the Validation class.
• Fixed an incorrectly named variable in the URI class.
• Fixed a bug in the config class that was preventing the base URL from being called properly.
• Fixed a bug in the validation class that was not permitting callbacks if the form field was empty.
• Fixed a problem that was preventing scaffolding from working properly with MySQLi.
• Fixed some MS SQL bugs.
• Fixed some doc typos.

Version 1.3.3

Release Date: June 1, 2006

• Models do not connect automatically to the database as of this version. More info here.
• Updated the Sessions class to utilize the active record class when running session related queries. Previously the queries assumed MySQL syntax.
• Updated alternator() function to re-initialize when called with no arguments, allowing multiple calls.
• Fixed a bug in the active record "having" function.
• Fixed a problem in the validation class which was making checkboxes be ignored when required.
• Fixed a bug in the word_limiter() helper function. It was cutting off the fist word.
• Fixed a bug in the xss_clean function due to a PHP bug that affects some versions of html_entity_decode.
• Fixed a validation bug that was preventing rules from being set twice in one controller.
• Fixed a calendar bug that was not letting it use dynamically loaded languages.
• Fixed a bug in the active record class when using WHERE clauses with LIKE
• Fixed a bug in the hash() security helper.
• Fixed some typos.

Version 1.3.2

Release Date: April 17, 2006

• Changed the behavior of the validation class such that if a "required" rule is NOT explicitly stated for a field then all other tests get ignored.
• Fixed a bug in the Controller class that was causing it to look in the local "init" folder instead of the main system one.
• Fixed a bug in the init_pagination file. The $config item was not being set correctly.
• Fixed a bug in the auto typography helper that was causing inconsistent behavior.
• Fixed a couple bugs in the Model class.
• Fixed some documentation typos and errata.

Version 1.3.1

Release Date: April 11, 2006

• Added a Unit Testing Library.
• Added the ability to pass objects to the insert() and update() database functions. This feature enables you to (among other things) use your Model class variables to run queries with. See the Models page for details.
• Added the ability to pass objects to the view loading function: $this->load->view('my_view', $object);
• Added getwhere function to Active Record class.
• Added count_all function to Active Record class.
• Added language file for scaffolding and fixed a scaffolding bug that occurs when there are no rows in the specified table.
• Added $this->db->last_query(), which allows you to view your last query that was run.
• Added a new mime type to the upload class for better compatibility.
• Changed how cache files are read to prevent PHP errors if the cache file contains an XML tag, which PHP wants to interpret as a short tag.
• Fixed a bug in a couple of the active record functions (where and orderby).
• Fixed a bug in the image library when realpath() returns false.
• Fixed a bug in the Models that was preventing libraries from being used within them.
• Fixed a bug in the "exact_length" function of the validation class.
• Fixed some typos in the user guide

Version 1.3

Release Date: April 3, 2006

• Added support for Models.
• Redesigned the database libraries to support additional RDBMs (Postgres, MySQLi, etc.).
• Redesigned the Active Record class to enable more varied types of queries with simpler syntax, and advanced features like JOINs.
• Added a feature to the database class that lets you run custom function calls.
• Added support for private functions in your controllers. Any controller function name that starts with an underscore will not be served by a URI request.
• Added the ability to pass your own initialization parameters to your custom core libraries when using $this->load->library()
• Added support for running standard query string URLs. These can be optionally enabled in your config file.
• Added the ability to specify a "suffix", which will be appended to your URLs. For example, you could add .html to your URLs, making them appear static. This feature is enabled in your config file.
• Added a new error template for use with native PHP errors.
• Added "alternator" function in the string helpers.
• Removed slashing from the input class. After much debate we decided to kill this feature.
• Change the commenting style in the scripts to the PEAR standard so that IDEs and tools like phpDocumenter can harvest the comments.
• Added better class and function name-spacing to avoid collisions with user developed classes. All CodeIgniter classes are now prefixed with CI_ and all controller methods are prefixed with _ci to avoid controller collisions. A list of reserved function names can be found here.
• Redesigned how the "CI" super object is referenced, depending on whether PHP 4 or 5 is being run, since PHP 5 allows a more graceful way to manage objects that utilizes a bit less resources.
• Deprecated: $this->db->use_table() has been deprecated. Please read the Active Record page for information.
• Deprecated: $this->db->smart_escape_str() has been deprecated. Please use this instead: $this->db->escape()
• Fixed a bug in the exception handler which was preventing some PHP errors from showing up.
• Fixed a typo in the URI class. $this->total_segment() should be plural: $this->total_segments()
• Fixed some typos in the default calendar template
• Fixed some typos in the user guide

Version 1.2

Release Date: March 21, 2006

• Redesigned some internal aspects of the framework to resolve scoping problems that surfaced during the beta tests. The problem was most notable when instantiating classes in your constructors, particularly if those classes in turn did work in their constructors.
• Added a global function named get_instance() allowing the main CodeIgniter object to be accessible throughout your own classes.
• Added new File Helper: delete_files()
• Added new URL Helpers: base_url(), index_page()
• Added the ability to create your own core libraries and store them in your local application directory.
• Added an overwrite option to the Upload class, enabling files to be overwritten rather than having the file name appended.
• Added Javascript Calendar plugin.
• Added search feature to user guide. Note: This is done using Google, which at the time of this writing has not crawled all the pages of the docs.
• Updated the parser class so that it allows tag pars within other tag pairs.
• Fixed a bug in the DB "where" function.
• Fixed a bug that was preventing custom config files to be auto-loaded.
• Fixed a bug in the mysql class bind feature that prevented question marks in the replacement data.
• Fixed some bugs in the xss_clean function

Version Beta 1.1

Release Date: March 10, 2006

• Added a Calendaring class.
• Added support for running multiple applications that share a common CodeIgniter backend.
• Moved the "uri protocol" variable from the index.php file into the config.php file
• Fixed a problem that was preventing certain function calls from working within constructors.
• Fixed a problem that was preventing the $this->load->library function from working in constructors.
• Fixed a bug that occurred when the session class was loaded using the auto-load routine.
• Fixed a bug that can happen with PHP versions that do not support the E_STRICT constant
• Fixed a data type error in the form_radio function (form helper)
• Fixed a bug that was preventing the xss_clean function from being called from the validation class.
• Fixed the cookie related config names, which were incorrectly specified as $conf rather than $config
• Fixed a pagination problem in the scaffolding.
• Fixed a bug in the mysql class "where" function.
• Fixed a regex problem in some code that trimmed duplicate slashes.
• Fixed a bug in the br() function in the HTML helper
• Fixed a syntax mistake in the form_dropdown function in the Form Helper.
• Removed the "style" attributes form the form helpers.
• Updated the documentation. Added "next/previous" links to each page and fixed various typos.

Version Beta 1.0

Release Date: February 28, 2006

First publicly released version.

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