- Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
- array(1) { ["key 2"]=> string(5) "val 2" }
<?php
$A = ["key 1"=>"val 1", "key 2"=>"val 2", "key 3"=>"val 3"];
$B = ["key 2"=>"val 2"];
foreach($A as $key=>$val) {
$myval = array_key_exists($key,$B) ? $B[$key] : 0;
}
var_dump($B);