php字符截取
substr(变量, 0,506)
<?php $servername = "localhost"; $username = "root"; $...
声明为空isset($_POST['user_email']),或者,empty($_POST['user_email'])在php.ini中设置error_repor...
<?php $url = 'https://api.openai.com/v1/completions'; $data = arr...
<?php $cars=$_POST['shuju'];$cars=explode(',', $cars);print_r($cars)&n...
增加$arr[$iy]["pr_count"]+=$pr_count;减少$arr[$iy]["pr_count"]-=$pr_count;删除unset($a...
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...