Unzip function for PHP

<?php 
    function unzip($location,$newLocation){ 
        if(exec("unzip $location",$arr)){ 
            mkdir($newLocation); 
            for($i = 1;$i< count($arr);$i++){ 
                $file = trim(preg_replace("~inflating: ~","",$arr[$i])); 
                copy($location.'/'.$file,$newLocation.'/'.$file); 
                unlink($location.'/'.$file); 
            } 
            return TRUE; 
        }else{ 
            return FALSE; 
        } 
    } 

    if(unzip('zippedfiles/test.zip','unzipped/myNewZip')) 
       echo 'Success!'; 
    else 
       echo 'Error'; 
?>