- array_map: documentation ( source)
- print_r: documentation ( source)
- array_filter: documentation ( source)
<?php
$test = array('key' => 'value');
print_r(
array_map(
function($key,$value){return $value;},
array_filter(
$test,
function($key, $value){ return $value == 'value';}
)
)
);