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...
$conn=new sqlhelper;for ($i = 0; $i <1000 ; $i++) {$sql="insert into system_user(user_shenfe...
echo date('Y-m-d',$date); PHP里面将date型数据输出: echo $date; PHP里面将dat...
nginx 配置location / {rewrite ^(.*)$ /index.php?s=/$1 last;}code rotoo.top.7z...
增加$arr[$iy]["pr_count"]+=$pr_count;减少$arr[$iy]["pr_count"]-=$pr_count;删除unset($a...
<?php $servername = "localhost"; $username = "root"; $...