[MATRICI] estrapolare un'array che ha un certo valore...

[whisher]

$da_cercare = 4444;
$A = array(array('id' => 1111, 'key2' => "asd", 'key3' => "asdasdasdasd"), array
    ('id' => 2222, 'key2' => "asd", 'key3' => "asdasdasdasd"), array('id' => 3333,
    'key2' => "asd", 'key3' => "asdasdasdasd"), array('id' => 4444, 'key2' => "asd",
    'key3' => "asdasdasdasd"), array('id' => 5555, 'key2' => "asd", 'key3' =>
    "asdasdasdasd"), array('id' => 6666, 'key2' => "asd", 'key3' => "asdasdasdasd"));



function seek($array,$key, $needle){
        foreach($array as $a){
            if(key_exists($key,$a)&&$a[$key]==$needle){
                return $a;
            }
        }
        return null;
    } 


print_r(seek($A,'id', $da_cercare));