- var_dump: documentation ( source)
- array_values: documentation ( source)
<?php
$x = array(1, 2, 3, 4, 5);
var_dump($x);
unset($x[3]);
$x = array_values($x);
echo '<br>';
var_dump($x);
?>
- See more at: http://www.w3resource.com/php-exercises/php-array-exercises.php#sthash.DSQzp0o2.dpuf