php字符截取
substr(变量, 0,506)
$conn=new sqlhelper;for ($i = 0; $i <1000 ; $i++) {$sql="insert into system_user(user_shenfe...
<?php $my_name='&&&&'; //echo substr(xml_entities(...
在httpd.conf添加<IfModule mod_env.c>SetEnv 常量名 常量值</IfModule>...
$arr[] //用于收集子数组;serialize($arr)&nb...
<?php $servername = "localhost"; $username = "root"; $...
echo date('Y-m-d',$date); PHP里面将date型数据输出: echo $date; PHP里面将dat...