- var_dump: documentation ( source)
- array_diff_uassoc: documentation ( source)
- print_r: documentation ( source)
<?php
function key_compare_func($a, $b)
{ var_dump($a, $b);
if ($a === $b) {
return 0;
}
return ($a > $b)? 1:-1;
}
$array1 = array("a" => "green", "b" => "brown", "c" => "red");
$array2 = array("a" => "green", "yellow", "red");
$result = array_diff_uassoc($array1, $array2, "key_compare_func");
die;
print_r($result);