- print_r: documentation ( source)
<?php
$a = array(
'a' => array(
'name' => 'a1',
'second_name' => 'a2'
),
'b' => array(
'name' => 'b1',
'second_name' => 'b2'
),
'c' => array(
'name' => 'c1',
'second_name' => 'c2'
)
);
print_r($a, function($value, $field, $search){ return $value[$field] == $search; });