- var_dump: documentation ( source)
<?php
$arr = [0=>0,1=>1,2=>3,3=>4,4=>5];
var_dump($arr);
foreach($arr as $row) {
list($key, $value) = $row;
echo $key .' -> '. $value .'<br />';
}
foreach ($arr as list($key, $value)) {
echo $key .' -> '. $value .'<br />';
}