在 error_log 或页面上没有收到任何错误。错误日志肯定可以正常工作，就像我更改 require 'PHPMailer.php';为require 'PHPFailer.php';我得到的那样PHP Fatal error:  require(): Faileddisplay_errors 设置为 trueerror_reporting 设置为E_ALL & ~E_NOTICEPHPMailer 6.1.7 - PHP 7.2PHPMailer.php 和 Exception.php 都位于根目录中。当我刚刚发送到 /php/form_error.php 时，已注释掉重定向。任何想法将不胜感激，谢谢。contact_post.php<?php    /*    THIS FILE USES PHPMAILER INSTEAD OF THE PHP MAIL() FUNCTION    */    use PHPMailer\PHPMailer\PHPMailer;    use PHPMailer\PHPMailer\Exception;        require 'PHPMailer.php';    require 'Exception.php';        /*    *  CONFIGURE EVERYTHING HERE    */        // an email address that will be in the From field of the email.    $fromEmail = 'info@domain.co.uk';    $fromName = 'Info domain';        // an email address that will receive the email with the output of the form    $sendToEmail = 'info@domain.co.uk';    $sendToName = 'Info domain';        // subject of the email    $subject = 'New message from contact form';        // form field names and their translations.    // array variable name => Text to appear in the email    $fields = array('name' => 'Name', 'surname' => 'Surname', 'phone' => 'Phone', 'email' => 'Email', 'message' => 'Message');        // message that will be displayed when everything is OK :)    $okMessage = 'Contact form successfully submitted. Thank you, I will get back to you soon!';        // If something goes wrong, we will display this message.    $errorMessage = 'There was an error while submitting the form. Please try again later';