- print_r: documentation ( source)
<?php
function do_stuff() {
$args = func_get_args();
foreach ($args as $arg) {
$arg += 1;
}
}
$a = 1;
$b = 2;
$c = 3;
$d = 4;
print_r(array($a,$b,$c,$d));
do_stuff($a,$b,$c,$d);
print_r(array($a,$b,$c,$d));