- array_map: documentation ( source)
- var_dump: documentation ( source)
- array_walk: documentation ( source)
<?php
$x=array(
1 => 'ghj',
2 => 234,
3 => 234.34,
4 => '123',
5 => 'as12345'
);
$x2=$x;
array_walk($x2,'intval');
$x = array_map(intval,$x);
var_dump($x2,$x)
?>