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From mediawiki.org
Available from version 1.20.0
Nearly at the end of OutputPage::output().
Define function:
public static function onAfterFinalPageOutput( $output ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"AfterFinalPageOutput": "MediaWiki\\Extension\\MyExtension\\Hooks::onAfterFinalPageOutput"
Called from: File(s): OutputPage.php
Interface: AfterFinalPageOutputHook.php

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


Nearly at the end of OutputPage::output() but before OutputPage::sendCacheControl() and final ob_end_flush() which will send the buffered output to the client. This allows for last-minute modification of the output within the buffer by using ob_get_clean().

  • $output: The OutputPage object where output() was called

How to use[edit]

$wgHooks['AfterFinalPageOutput'][] = "fnAfterAll";
function fnAfterAll($output) {
  $out = ob_get_clean();
  // change final html in $out
  echo $out;
  return true;