redcocker

<p>Just another code syntaxhighligher for the theme and plugin editor with CodeMirror. This plugin can highlight sourcecodes in the theme/plugin editor and provide a useful toolbar.</p>
<h4>Features</h4>
<ul>
<li>Highlight sourcecodes in theme and plugin editor on the dashboard.</li>
<li>Based on Marijn Haverbeke’s “<a href="http://codemirror.net/" title="CodeMirrorr" rel="nofollow ugc">CodeMirror</a>” JavaScript library.</li>
<li>Built-in 10 themes.</li>
<li>Useful toolbar which includes search/replace features.</li>
<li>Full-screen editing.</li>
<li>Auto-complete.</li>
<li>Easy to configure features through the setting panel.</li>
<li>Localization: English(Default), 日本語(Japanese, UTF-8).</li>
</ul>
<h4>Support languages</h4>
<ul>
<li>PHP</li>
<li>CSS</li>
<li>Javascript</li>
<li>(X)HTML</li>
</ul>
<h4>Recommended plugin</h4>
<ul>
<li>“<a href="https://wordpress.org/extend/plugins/wp-syntaxhighlighter/" title="WP SyntaxHighlighter" rel="ugc">WP SyntaxHighlighter</a>” can highlight sourcecodes on your front-end(posts, pages, comments).</li>
</ul>


CodeMirror for CodeEditor

Just another code syntaxhighligher for the theme and plugin editor with CodeMirror.

WordPress.org

Weston Ruter

George Stephanis

Konstantin Obenland

Mel Choyce-Dwan

<p>This project is adding CodeMirror functionality to the Plugin and Theme file editors, as well as the Customizer Custom CSS box and the Custom HTML widget.</p>
<p>We’re working around discussion on a Core ticket, <a href="https://core.trac.wordpress.org/ticket/12423" rel="nofollow ugc">#12423</a></p>
<p>Any questions, reach out to #core-customize on WordPress.org Slack or better open an issue on GitHub! See <a href="https://github.com/WordPress/better-code-editing/blob/master/contributing.md" rel="nofollow ugc">contributing</a>.</p>
<p><strong>Development of this plugin is done <a href="https://github.com/WordPress/better-code-editing" rel="nofollow ugc">on GitHub</a>. Pull requests welcome. Please see <a href="https://github.com/WordPress/better-code-editing/issues" rel="nofollow ugc">issues</a> reported there.</strong></p>


Better Code Editing

Adding CodeMirror functionality to the Plugin and Theme file editors, as well as the Customizer Custom CSS box and Custom HTML widget.

CodeMirror for CodeEditor vs Better Code Editing