PHP 中的 mysqli error list函数

mysqli error list - 语法

mysqli_error_list(connection);

它返回上次连接的错误列表

mysqli error list - 返回值

它返回与错误代码和错误文本关联的错误列表

mysqli error list - 示例

<?php
   $connection_mysql=mysqli_connect("localhost","user","password","db");
   
   if (mysqli_connect_errno($connection_mysql)){
      echo "Failed to connect to MySQL: " . mysqli_connect_error();
   }
   
   if (!mysqli_query($connection_mysql,"INSERT INTO Persons (FirstName) VALUES ('Jack')")){
      print_r(mysqli_error_list($connection_mysql));
   }
   
   mysqli_close($connection_mysql);
?>