Plugin Directory

iG:Syntax Hiliter

A plugin to easily present source code on your site with syntax highlighting and formatting (as seen in code editors, IDEs).


  • BUGFIX: some language file names got snipped when building language name cache


  • BUGFIX: Shorthand tags for all languages supported now - props to Karol Kuczmarski for spotting it
  • NEW: Added C++ language file


  • BUGFIX: Github Gist URL XSS security hole
  • BUGFIX: __dir__ doesn't work below PHP 5.3 - props to Karol Kuczmarski for spotting it
  • NEW: Added "lang" as shorthand for "language" attribute
  • NEW: Additional GeSHi language files can be put in "geshi" directory in theme, which will prevent their deletion on plugin upgrade
  • IMPROVED: If a code block is repeated with same attributes then its parsed only once and output is reused


  • NEW: Ability to embed Github Gist in post and comments (configurable)
  • NEW: Ability to highlight one or multiple lines in a code block to show them as different
  • NEW: New code box layout
  • NEW: Ability to escape plugin tags to prevent their processing
  • NEW: New GeSHi core (v
  • IMPROVED: Removed quirks from plain text view & its now much more smoother
  • IMPROVED: Handling of how code is prevented from beautification. The rest of the post/comment text is not affected as wptexturize is not removed anymore.
  • IMPROVED: Simpler and faster options page in wp-admin

Changelog of versions prior to v4.0 is available in the manual.

Requires: 3.3 or higher
Compatible up to: 3.8.9
Last Updated: 2013-11-24
Active Installs: 500+


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