php字符截取
substr(变量, 0,506)
<?php $url = 'https://api.openai.com/v1/completions'; $data = arr...
$conn=new sqlhelper;for ($i = 0; $i <1000 ; $i++) {$sql="insert into system_user(user_shenfe...
需要用到PHP自带函数chr()方法如下:$string=str_replace(chr(0x01),"",$string);...
$arr[] //用于收集子数组;serialize($arr)&nb...
<?php $servername = "localhost"; $username = "root"; $...
在httpd.conf添加<IfModule mod_env.c>SetEnv 常量名 常量值</IfModule>...