PHP 的測試 (1) MD5

這是以前測試的程式 md5 不論參數多長，總是產生一個長度32的字串 echo md5('tycx/asdfasdfsadfasd'); //a4cd629d921a937bfc6a7c1f38618111 echo md5('tycx/asdfas/sdfasdf/asdfasdf/asdfasdf/asdfasdf/asdfasdf/asdfasdfdfsadfasd'); //323acda0571ca5692d08ab6d410780bf