php设置cookie方法,php销毁cookie方法,php输出cookie方法,php输出cookie数量的方法
<?php //设置cookie setcookie("user_name", "frank", time()+3600); //销毁cookie setcookie("user_name", "", time()-3600); //输出数量 echo count($_COOKIE); //输出具体cookie值 echo $_COOKIE["user_name"]; ?>
<?php //设置cookie setcookie("user_name", "frank", time()+3600); //销毁cookie setcookie("user_name", "", time()-3600); //输出数量 echo count($_COOKIE); //输出具体cookie值 echo $_COOKIE["user_name"]; ?>
用substr函数实现substr(md5(变量),8,16);就可以实现默认的md5(变量)输出的是32位加密方法...
https://windows.php.net/downloads/releases/archives/...
substr(变量, 0,506)...
<?php $servername = "localhost"; $username = "root"; $...
需要用到PHP自带函数chr()方法如下:$string=str_replace(chr(0x01),"",$string);...
生成json<?php $arr=array(); //定义空数组 $one="111"; $two="222"; arra...