- var_dump: documentation ( source)
- array_flip: documentation ( source)
- array_diff_key: documentation ( source)
<?php
$a = array(
'station_type',
'max',
'starts_with',
'lang',
'transpost_type'
);
$b = array('station_type' => 1, 'b' => 2, 'c' => 3);
var_dump(array_diff_key(array_flip($a), $b));