- var_dump: documentation ( source)
<?php
$arr = array(
'a' => 'A',
'b' => 'B',
'c' => 'C');
var_dump($arr);
foreach ($arr as &$val) {
if ($val == 'B') {
unset($val);
}
}
var_dump($arr);
foreach ($arr as &$val) {
if ($val == 'B') {
$val = 'X';
}
}
var_dump($arr);