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MakeGlobalVariablesScript
Available from version 1.14.0 right before `OutputPage->getJSVars` returns the vars.
Define function:	public static function onMakeGlobalVariablesScript( array &$vars, OutputPage $out ) { ... }
Attach hook:	In extension.json: { "Hooks": { "MakeGlobalVariablesScript": "MediaWiki\\Extension\\MyExtension\\Hooks::onMakeGlobalVariablesScript" } }
Called from:	File(s): Output/OutputPage.php
Interface:	MakeGlobalVariablesScriptHook.php

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

Details

This hook is fired via getJsVars(), from OutputPage::headElement(). This hook should only be used to add variables that depend on the current page/request; static configuration should be added through ResourceLoaderGetConfigVars instead.

&$vars: variable (or multiple variables) to be added into the output of OutputPage::headElement.
$out (r96015): OutputPage instance calling the hook

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