gistfile1.php

<?php
$records = array(
    array('name' => '田中　太郎', 'sex' => 1),
    array('name' => '田中　花子', 'sex' => 2),
    array('name' => '鈴木　太郎', 'sex' => 1),
    array('name' => '鈴木　花子', 'sex' => 2)
);

$filter = create_function('$record', 'return $record["sex"] == 1;'); //1
$male_only = array_filter($records, $filter); //2

print_r($male_only);

?>