Version 3.2.0

Release Date: Not Released

• General Changes
  • Officially dropped any kind of support for anything under PHP 5.4.8.
  • Updated Welcome view and HTML error templates with new styling.
  • Updated configurable directory paths to handle missing trailing DIRECTORY_SEPARATOR automatically.
  • Added support for HTTP status codes 103, 207, 308, 421 and 451 to common function set_status_header().
• Core
  • Removed $config['rewrite_short_tags'] (irrelevant on PHP 5.4+).
  • Removed previously deprecated $config['global_xss_filtering'].
  • Removed previously deprecated Routing Class methods fetch_directory(), fetch_class() and fetch_method() (use the respective class properties instead).
  • Removed previously deprecated Config Library method system_url() (encourages insecure practices).
  • Changed URI Library to ignore the $config['url_suffix'], $config['permitted_uri_chars'] configuration settings for CLI requests.
  • Changed Loader method model() to always check if the loaded class extends CI_Model.
  • Changed Output Library method _display() default parameter value to NULL instead of empty string.
  • Input Library changes include:
    • Removed previously deprecated $config['allow_get_array'].
    • Removed previously deprecated $config['standardize_newlines'].
    • Removed previously deprecated method is_cli_request() (use is_cli() instead).
    • Changed the set_cookie() method’s default expiry time to 0 (expires when browser is closed).
    • Changed the set_cookie() method to delete the cookie if a negative expiry time is passed to it.
    • Allowed usage of nested array keys in get_post(), post_get() methods.
• Libraries
  • Removed previously deprecated Cart Library.
  • Removed previously deprecated Javascript Library (it was always experimental in the first place).
  • Added UNIX socket connection support to Session Library ‘redis’ driver.
  • Updated ZIP Library method read_dir() to include hidden (dot-prefixed) files.
  • Cache Library changes include:
    • Added ‘apcu’ driver.
    • Added UNIX socket connection support to the ‘memcached’ driver.
    • Added ‘database’ configuration option to the ‘redis’ driver, allowing to auto-select another database.
    • Added method get_loaded_driver() to return the currently used driver.
    • Changed the ‘memcached’ driver to ignore configurations that don’t specify a hostname.
    • Removed the socket_type configuration setting from the ‘redis’ driver.
    • Changed data serialization logic in ‘redis’ driver for better performance.
  • Form Validation Library changes include:
    • Removed previously deprecated method prep_for_form() / rule prep_for_form.
    • Changed method set_rules() to throw a BadMethodCallException when its first parameter is not an array and the $rules one is unused.
    • Added rule valid_mac, which replicates PHP’s native filter_var() with FILTER_VALIDATE_MAC.
    • Added ability to validate entire arrays at once, if is_array is within the list of rules.
    • Added ability to fetch processed data via a second parameter to run().
  • HTML Table Library changes include:
    • Changed method clear() to also reset captions.
  • Email Library changes include:
    • Changed the default value of the validate option to TRUE.
    • Changed the send() method to always return TRUE when sending multiple batches of emails.
  • Image Manipulation Library changes include:
    • Added option to change the output filename via the new_name option when rendering images with dynamic_output.
    • Updated to serve multibyte filenames when rendering images with dynamic_output, if possible.
    • Added WebP image support.
• Database changes include:
  • Removed previously deprecated ‘sqlite’ driver (used for SQLite version 2; no longer shipped with PHP 5.4+).
  • Removed method db_set_charset() and the ability to change a connection character set at runtime.
  • Changed method initialize() to return void and instead throw a RuntimeException in case of failure.
  • Changed method db_connect() to always set the connection character set (if supported by the driver) and to fail if it can’t.
  • Database Forge:
    • Added support for declaring date/time type fields default values as CURRENT_TIMESTAMP and similar.
  • Query Builder:
    • Added methods having_in(), or_having_in(), not_having_in(), or_not_having_in().
    • Updated methods where_in(), or_where_in(), not_where_in(), or_not_where_in() to reject non-array inputs for the second parameter.
    • Updated method join() to allow accepting NATURAL clauses in its third parameter.
    • Updated logic to allow dots in alias names.
• Helpers
  • Removed previously deprecated Email Helper (had only two functions, aliases for PHP’s native filter_var() and mail()).
  • Removed previously deprecated Smiley Helper.
  • Removed previously deprecated Date Helper function standard_date() (use PHP’s native date() instead).
  • Removed previously deprecated Security Helper function do_hash() (use PHP’s native hash() instead).
  • Removed previously deprecated File Helper function read_file() (use PHP’s native file_get_contents() instead).
  • Added new function ordinal_format() to Inflector Helper.
  • Download Helper changes include:
    • Updated force_download() to allow existing files to be renamed for download.
    • Updated force_download() to better utilize available server memory.
    • Updated force_download() to serve multibyte filenames when possible, via the filename* attribute specified by IETF RFC 6266.
  • String Helper changes include:
    • Removed previously deprecated function trim_slashes() (use PHP’s native trim() with '/' instead).
    • Removed previously deprecated function repeater() (use PHP’s native str_repeat() instead).
  • HTML Helper changes include:
    • Removed previously deprecated function br() (use PHP’s native str_repeat() with '<br />' instead).
    • Removed previously deprecated function nbs() (use PHP’s native str_repeat() with ' ' instead).
    • Updated function meta() with support for “charset” and “property” properties.
    • Changed function doctype() default document type to HTML 5.
  • Form Helper changes include:
    • Removed previously deprecated function form_prep() (use html_escape() instead).
    • Removed the second (out of three) parameter from the form_upload() function (it was never used).
  • CAPTCHA Helper changes include:
    • Added ‘img_alt’ option with a default value of ‘captcha’.
    • Added ability to generate data:image/png;base64 URIs instead of writing image files to disk.
    • Updated to always create PNG images instead of JPEG.