为什么我的简单邮件php表单需要很长时间才能加载？

Question

下午好，堆栈！ 我目前正在处理一个简单的PHP邮件表单，而在开始编辑之前，我的上一个版本实际上花了不到一秒钟的时间来实际加载表单，但是现在有了这些新功能，现在至少需要5到10秒钟才能加载该表单。 。

这是我当前的代码，现在加载需要很长时间，这是一个实时链接 ；

<?php
// We use the name2 field as bait for spambots.  It's display is off,
// so humans wouldn't know to enter anything into it.  Robots would, 
//  so we ignore submissions with info in name2.

$mail_sent = false;

if(sizeof($_POST) && $_POST["name2"] == "") // receiving a submission
{   

 // receiving a submission
    $to = $_POST['department'];

    // prep our data from the form info
    $senderName     = $_POST['name'];
    $senderEmail    = $_POST['email'];
    $department     = $_POST['department'];
    $subject        = "Visitor message in $department department"; 
    $messageBody    = $senderName . ' ('.$senderEmail.') wrote for '.$department.' department: ' . $_POST['message'];

    if($department == 'customer') { //if customer was selected
    $to = 'email@email.com';
    }

    else if($department == 'distribution') { //if distribution was selected
    $to = 'email@email.com, email@email.com';
    }

    else if($department == 'press') { //if press was selected
    $to = 'email@email.com';
    }

    else if($department == 'career') { //if career was selected
    $to = 'email@email.com';
    }

    else if($department == 'other') { //if other was selected
    $to = 'email@email.com';
    }

    // From 
    $header = "From: $senderName <$senderEmail>";
}

    // Send it!

    $send_contact = mail($to, $subject, $messageBody, $header);

    if($send_contact){
        $mail_sent = true;
    }
    else {
        echo " ";
    }
?>

我确实发现了一件奇怪的事情，尽管将其更改发送给多个接收者，但开始告诉我错误，尽管它工作得很好，所以我进行了更改。

if($send_contact){
    $mail_sent = true;
}
else {
    echo "ERROR";
}

只能打印空格，因此用户看不到它。也许，这是什么原因导致实际上正在进行某事，从而延长了加载延迟？ 但是..它的工作原理很棒，也很好。

任何人都知道为什么此表格可能需要这么长时间才能加载？ 绝对是我删除或恢复到旧版本时的代码，使用ySlow加载不到一秒钟。

这是我的代码的上一个版本，可立即加载并带有实时链接 ；

<?php

// We use the name2 field as bait for spambots.  It's display is off,
// so humans wouldn't know to enter anything into it.  Robots would, 
//  so we ignore submissions with info in name2.

$mail_sent = false;

if(sizeof($_POST) && $_POST["name2"] == "") // receiving a submission
{   
    define("SUBJECT",   "Visitor Message from Domain.com");

    // production recipient:
    define("RECIPIENT", "email@email.com");

    // prep our data from the form info
    $senderName     = $_POST['name'];
    $senderEmail    = $_POST['email'];
    $subject        = SUBJECT; 
    $messageBody    = $senderName . ' ('.$senderEmail.') wrote:

' . $_POST['message'];

    // From 
    $header         = "from: $senderName <$senderEmail>";

    // To
    $to = RECIPIENT;

    // Send it!
    $send_contact = mail($to, $subject, $messageBody, $header);

    // Check success of send attempt
    if($send_contact){
        // show thankyou screen
        $mail_sent = true;
    }
    else {
        // send failed.
        echo "ERROR";
    }
}

?>

感谢您的帮助，因为我已经坚持了一段时间，感谢您的时间和精力，祝大家周末愉快。

Answer 1

$send_contact = mail($to, $subject, $messageBody, $header);

if($send_contact){
    $mail_sent = true;
}
else {
    echo " ";
}

这部分代码未包含在处理新版本中的表单提交的if块中。 因此，它在页面每次加载时都会执行。 这将减慢加载速度，因为mail（）函数尝试发送电子邮件并在每次加载页面时给出错误。 您的意图是仅在正确提交表单后才发送电子邮件。 从那以后，打开php通知将是一个好主意。 这样可以更轻松地捕获此类错误。