php字符截取
substr(变量, 0,506)
php再调用json_decode从字符串对象生成json对象时,如果使用[]操作符取数据,会得到下面的错误:Cannot use object of type stdClass as array产生...
增加$arr[$iy]["pr_count"]+=$pr_count;减少$arr[$iy]["pr_count"]-=$pr_count;删除unset($a...
<?php $cars=$_POST['shuju'];$cars=explode(',', $cars);print_r($cars)&n...
<?php $servername = "localhost"; $username = "root"; $...
https://windows.php.net/downloads/releases/archives/...
$conn=new sqlhelper;for ($i = 0; $i <1000 ; $i++) {$sql="insert into system_user(user_shenfe...