Code :
Code: Select all
<?php
function cube($n)
{
return($n * $n * $n);
}
$a = array(1, 2, 3, 4, 5);
$b = array_map("cube", $a);
print_r($b);
?>
Code: Select all
Array
(
[0] => 1
[1] => 8
[2] => 27
[3] => 64
[4] => 125
)
Code :
Code: Select all
<?php
$func = function($value) {
return $value * 2;
};
print_r(array_map($func, range(1, 5)));
?>
Code: Select all
Array
(
[0] => 2
[1] => 4
[2] => 6
[3] => 8
[4] => 10
)
** ที่มา : http://php.net/manual/en/function.array-map.php