- var_dump: documentation ( source)
- each: documentation ( source)
<?php
$data = array('first', 'second', 'third');
$pop = function () use (&$data) {
list($key, $value) = each($data);
unset($data[$key]);
var_dump($key, $value);
};
$pop();
$pop();
$pop();
echo "Length of data is " . count($data);