'-1','level1' => '1', 'level2' => '1', 'level9' => '1', 'level10' => '1', 'start' => '2013-12-13', 'stop' => '2013-12-13'";
$var = str_replace(', ', ',', $var);
$rows = explode(',', $var);
$array = [];
foreach($rows AS $row){
	preg_match("/^'(.+)' \=\> '(.+)'\$/", $row, $matches);
	$array[$matches[1]] = $matches[2];
}
var_dump($array);
?>