php function returns array filtered on multiple attributes values.

array_find.php

<?php

$arr= array(
    array("an"=>2, 'fac'=>5000, 'sr'=>45),
    array("an"=>4, 'fac'=>5001, 'sr'=>40),
    array("an"=>2, 'fac'=>5000, 'sr'=>40),
    array("an"=>2, 'fac'=>5001, 'sr'=>45)
);

$cond=array("an"=>2, 'fac'=>5001);


function ucv_arrayFind($arr, $cond){

$b = array();
array_walk($arr, function($a) use(&$b,$cond) {
//echo '<pre>';  print_r($a);echo '</pre>';
    //print_r($cond);
    foreach ($cond as $k => $v) {
        if($a[$k]!==$v){
            return;
        }
    }
    $b[] = $a;
});
return $b;
}

echo '<pre>';  print_r(ucv_arrayFind($arr, $cond));echo '</pre>';

?>