Authored By

	Krenair
	Jul 16 2015, 2:35 AM

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443 B

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	<?php
	function groupExists( $group ) {
	global $wgGroupPermissions, $wgRevokePermissions,
	$wgAddGroups, $wgRemoveGroups,
	$wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
	return count( array_merge(
	array_keys( array_filter( $wgGroupPermissions[$group] ) ),
	array_keys( array_filter( $wgRevokePermissions[$group] ) ),
	$wgAddGroups[$group], $wgRemoveGroups[$group],
	$wgGroupsAddToSelf[$group], $wgGroupsRemoveFromSelf[$group]
	) ) > 0;
	}

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