<?php
	function randtext($length) {
		$password_len = $length;	//字串長度
		$password = '';
		$word = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';   //亂數內容
		$len = strlen($word);
		for ($i = 0; $i < $password_len; $i++) {
			$password .= $word[rand() % $len];
		}
		return $password;
	}
	?>