global.php

来自「在其中你可以随意下载你所需要的文件」· PHP 代码 · 共 15 行

<?php
	function fileext($filename) {
	return substr(strrchr($filename, '.'), 1);
}
function random($length) {
	$hash = '';
	$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
	$max = strlen($chars) - 1;
	mt_srand((double)microtime() * 1000000);
	for($i = 0; $i < $length; $i++) {
		$hash .= $chars[mt_rand(0, $max)];
	}
	return $hash;
}
?>