How to find index of object in php array?

Question

Here is print_r output of my array:

Array
(
[0] => stdClass Object
    (
        [itemId] => 560639000019
        [name] => Item no1
        [code] =>         


        

Answer 1

foreach( $arr as $k=>&$a) {
    if( $a['id'] == 4 )
        unset($arr[$k]);
}