前言 ： 在PHP+MySQL架构的站点中，本文重点从MySQL的角度去分析如何使Discuz!论坛（或者类似的PHP+MySQL架构的程序）应对大访问量。同时给出一些使用Memcache去减轻MySQL压力的建议。其中很...
复制代码 代码如下: ?php $cfg_dbhost ='localhost';//mysql主机 $cfg_dbname ='sq_test';//数据库名 $cfg_dbuser ='root';//数据库用户名 $cfg_dbpwd ='jb51.net';//数据库用户密码 $cfg_db_language ='utf8';//数据库编码...
//保存图片到数据库的php代码 复制代码 代码如下: If($Picture != "none") { $PSize = filesize($Picture); $mysqlPicture = addslashes(fread(fopen($Picture, "r"), $PSize)); mysql_connect($host,$username,$password) or die("Unable...
复制代码 代码如下: /************** *@length - length of random string (must be a multiple of 2) **************/ function readable_random_string($length = 6){ $conso=array("b","c","d","f","g","h","j","k","l", "m","n","p","r","s","t",...
复制代码 代码如下: /************* *@l - length of random string */ function generate_rand($l){ $c= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; srand((double)microtime()*1000000); for($i=0; $i$l; $i++) { $rand.=...
复制代码 代码如下: function list_files($dir) { if(is_dir($dir)) { if($handle = opendir($dir)) { while(($file = readdir($handle)) !== false) { if($file != "." $file != ".." $file != "Thumbs.db") { echo 'a target="_blank" href="'.$dir...
复制代码 代码如下: /***** *@dir - Directory to destroy *@virtual[optional]- whether a virtual directory */ function destroyDir($dir, $virtual = false) { $ds = DIRECTORY_SEPARATOR; $dir = $virtual ? realpath($dir) : $dir; $dir = subs...
使用此代码可以顺利解析人人连接网站POST获取的数据。 复制代码 代码如下: $json_string='{"id":1,"name":"jb51","email":"admin@jb51.net","interest":["wordpress","php"]} '; $obj=json_decode($json_string); echo $obj-na...
复制代码 代码如下: //xml string $xml_string="?xml version='1.0'? users user id='398' nameFoo/name emailfoo@bar.com/name /user user id='867' nameFoobar/name emailfoobar@foo.com/name /user /users"; //load the xml string using simplexm...
复制代码 代码如下: function create_slug($string){ $slug=preg_replace('/[^A-Za-z0-9-]+/', '-', $string); return $slug; }...