RegistrationHooks.php
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RegistrationHooks.php
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	<?php
	/**
	* DiscussionTools tag hooks
	*
	* @file
	* @ingroup Extensions
	* @license MIT
	*/

	namespace MediaWiki\Extension\DiscussionTools\Hooks;

	use MediaWiki\Config\ConfigException;

	class RegistrationHooks {
	public static function onRegistration(): void {
	// Use globals instead of Config. Accessing it so early blows up unrelated extensions (T255704).
	global $wgLocaltimezone, $wgFragmentMode;
	// HACK: Do not run these tests on CI as the globals are not configured.
	if ( getenv( 'ZUUL_PROJECT' ) ) {
	return;
	}
	// If $wgLocaltimezone isn't hard-coded, it is evaluated from the system
	// timezone. On some systems this isn't guaranteed to be static, for example
	// on Debian, GMT can get converted to UTC, instead of Europe/London.
	// Timestamp parsing assumes that the timezone never changes.
	if ( !$wgLocaltimezone ) {
	throw new ConfigException( 'DiscussionTools requires $wgLocaltimezone to be set' );
	}
	// If $wgFragmentMode is set to use 'legacy' encoding, determining the IDs of our thread
	// headings is harder, especially since the implementation is different in Parsoid.
	if ( !isset( $wgFragmentMode[0] ) \|\| $wgFragmentMode[0] !== 'html5' ) {
	throw new ConfigException( 'DiscussionTools requires $wgFragmentMode to be set to ' .
	"[ 'html5', 'legacy' ] or [ 'html5' ]" );
	}
	}
	}