Manual:Hooks/OutputPageBeforeHTML

OutputPageBeforeHTML
Available from version 1.6.0 Called every time wikitext is added to the OutputPage, after it is parsed but before it is added.
Define function:	public static function onOutputPageBeforeHTML( OutputPage &$out, &$text ) { ... }
Attach hook:	In extension.json: { "Hooks": { "OutputPageBeforeHTML": "MyExtensionHooks::onOutputPageBeforeHTML" } }
Called from:	File(s): OutputPage.php
Interface:	OutputPageBeforeHTMLHook.php

For more information about attaching hooks, see Manual:Hooks.
For examples of extensions using this hook, see Category:OutputPageBeforeHTML extensions.

Warning

Use this hook at your own risk.

• Not used for edit previews (bug 7050) until 1.11.0 (r25341).
• Can cause infinite loops (see talk)
• May fail under certain caching systems
• Runs on every page load and page view, so increases overhead

Details

• $out: the OutputPage (object) to which wikitext is added
• $text: the HTML text (string) that is being added