- array_walk: documentation ( source)
<?php
$array = array(1,2,3,4,5,6,7,8,9);
function soma_1($chave){
$array[$chave] = $chave + 1;
}
function echo_array($chave){
echo "$chave \n";
}
//array_walk($array,'soma_1');
array_walk($array,'echo_array');