- array_map: documentation ( source)
- array_search: documentation ( source)
- print_r: documentation ( source)
- strtoupper: documentation ( source)
<?php
$data = array(
'position' => 'it',
'label' => 'Information Technology'
);
$data = array_map(function($a) {
global $data;
if ('position' == array_search($a, $data)) {
return strtoupper($a);
} else { return $a; }
}, $data);
print_r($data);