Description
This plugin extends the Code block in WordPress core to add syntax highlighting which is rendered on the server. Pre-existing Code blocks on a site are automatically extended to include syntax highlighting. Doing server-side syntax highlighting eliminates the need to enqueue any JavaScript on the frontend (e.g. Highlight.js or Prism.js) and this ensures there is no flash of unhighlighted code (FOUC?). Reducing script on the frontend improves frontend performance, and it also allows for the syntax highlighted code to appear properly in AMP pages as rendered by the official AMP plugin (see also ampproject/amp-wp#972) or when JavaScript is turned off in the browser.
This extended Code block uses language auto-detection to add syntax highlighting, but you can override the language in the block’s settings sidebar. (There is currently no syntax highlighting of the Code block in the editor, but see #8.) The plugin supports all programming languages that highlight.php supports (being a port of highlight.js). The Code block also is extended to support specifying lines to highlight which get marked up with mark
elements (including in RSS feeds). There is also a checkbox for whether to show line numbers on the frontend (with the numbers being non-selectable). Lastly, given inconsistencies across themes regarding whether lines in a Code block should be wrapped, this plugin adds styling to force them to no-wrap by default, with a checkbox to opt in to wrapping when desired.
For advanced usage, please see the plugin wiki.
This plugin is developed on GitHub. See list of current issues with the plugin. Please feel free to file any additional issues or requests that you may come across. Pull requests are welcome. See contributing information.
Credits
This is a fork of Code Syntax Block by Marcus Kazmierczak (mkaz), which is also available on www.remarpro.com. Copyright (c) 2018 Marcus Kazmierczak. Licensed under GPL 2.0 or later.
highlight.php is released under the BSD 3-Clause License. Copyright ? 2006-2013, Ivan Sagalaev ([email protected]), highlight.js (original author). Copyright ? 2013, Geert Bergman ([email protected]), highlight.php
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Contributors & Developers
“Syntax-highlighting Code Block (with Server-side Rendering)” is open source software. The following people have contributed to this plugin.
Contributors“Syntax-highlighting Code Block (with Server-side Rendering)” has been translated into 8 locales. Thank you to the translators for their contributions.
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Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
For the plugin’s changelog, please see the Releases page on GitHub.