- var_dump: documentation ( source)
- strpos: documentation ( source)
- microtime: documentation ( source)
<?php
$time = microtime(true);
for ($i = 0; $i < 10000; $i++) {
$array = array();
foreach ($_SERVER as $key => $value) {
if (0 === strpos($key, 'SCRIPT_')) {
$array[] = $key;
}
}
}
var_dump($array, microtime(true) - $time);