- var_dump: documentation ( source)
- in_array: documentation ( source)
<?php
$mena = array(
22 => 'AE',
28 => 'QA',
32 => 'EG',
34 => 'SA',
46 => 'MA',
47 => 'JO',
60 => 'KW',
64 => 'BH',
68 => 'LB',
73 => 'OM'
);
var_dump(in_array('OM', $mena));
var_dump(in_array('TR', $mena));