- Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
- XLdCDW
<?php
$arr1= array('a' => "XL");
$arr2= array('a' => "XLd",'b'=>"CDW");
array_walk($arr2, function(&$val){
print_r($val);
return $val;
});