// Returns the keys the search text is found in
function array_search_text($search, $array)
{
	$array_keys = array();
	$search = strtolower($search);
	foreach ($array as $key => $value)
	{
		if (strpos(strtolower($value), $search) !== FALSE)
			$array_keys[] = $key;
	}
	
	return $array_keys;
}