wikimedia / mediawiki

		$hooksWeWant = isset( $wgHooks['LoadExtensionSchemaUpdates'] ) ?

			$wgHooks['LoadExtensionSchemaUpdates'] : [];

		if ( isset( $data['globals']['wgHooks']['LoadExtensionSchemaUpdates'] ) ) {

			$hooksWeWant = array_merge_recursive(

				$hooksWeWant,

				$data['globals']['wgHooks']['LoadExtensionSchemaUpdates']

			);

		}

		// Unset everyone else's hooks. Lord knows what someone might be doing

		// in ParserFirstCallInit (see bug 27171)

		$GLOBALS['wgHooks'] = [ 'LoadExtensionSchemaUpdates' => $hooksWeWant ];

		// This will automatically add "AutoloadClasses" to $wgAutoloadClasses

		$data = $registry->readFromQueue( $queue );

		$hooks = [ 'wgHooks' => [ 'LoadExtensionSchemaUpdates' => [] ] ];

		if ( isset( $data['globals']['wgHooks']['LoadExtensionSchemaUpdates'] ) ) {

			$hooks = $data['globals']['wgHooks']['LoadExtensionSchemaUpdates'];

		}

		if ( $vars && isset( $vars['wgHooks']['LoadExtensionSchemaUpdates'] ) ) {

			$hooks = array_merge_recursive( $hooks, $vars['wgHooks']['LoadExtensionSchemaUpdates'] );

		}