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How to implement a simple email sending function using PHP

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Sep 26, 2023 pm 02:19 PM

php implements email sending

How to implement a simple email sending function using PHP

How to use PHP to implement a simple email sending function

In modern society, email has become an indispensable part of people's daily lives. Whether for individuals or businesses, the use of email is very common. Through email, we can communicate with people around the world, send files, and receive important information. In this article, we will learn how to implement a simple email sending function using the PHP programming language.

Step 1: Create a basic HTML form

First, we need to create a basic form in HTML to receive user input information. In the form, we need to include relevant information such as the sender's email address, the recipient's email address, the email subject, and the email content. The following is a sample code:

<!DOCTYPE html>
<html>
<head>
    <title>发送电子邮件</title>
</head>
<body>
    <form method="post" action="send_email.php">
        <label for="sender">发件人邮箱：</label>
        <input type="email" name="sender" id="sender" required><br><br>

        <label for="receiver">收件人邮箱：</label>
        <input type="email" name="receiver" id="receiver" required><br><br>

        <label for="subject">邮件主题：</label>
        <input type="text" name="subject" id="subject" required><br><br>

        <label for="message">邮件内容：</label><br>
        <textarea name="message" id="message" rows="5" cols="30" required></textarea><br><br>

        <input type="submit" value="发送邮件">
    </form>
</body>
</html>

Step 2: Create a PHP script to handle email sending

Next, we need to create a PHP script to process the information entered by the user in the form, and Send the email. We can use the "mail" function provided by PHP to achieve this function. The following is a sample code:

<?php
if ($_SERVER['REQUEST_METHOD'] === "POST") {
    $sender = $_POST['sender'];
    $receiver = $_POST['receiver'];
    $subject = $_POST['subject'];
    $message = $_POST['message'];

    //发送邮件
    if (mail($receiver, $subject, $message, "From: $sender")) {
        echo "邮件发送成功！";
    } else {
        echo "邮件发送失败，请检查您的输入信息！";
    }
}
?>

In the above code, we first use $_POST to obtain the information entered by the user in the form, including the sender's email address, the recipient's email address, the email subject and the email content. Then, we use the mail function to send the email. Note that we need to specify the sender's email address in the From parameter.

Step 3: Test the email sending function

After completing the above code, we can upload the HTML form and PHP script files to a server and test the email sending function. Make sure your server supports sending email. Fill in the sender email, recipient email, subject and content in the correct format of the form, and click the "Send Email" button. You will then receive a prompt telling you whether the email was successfully sent.

Summary

By using the above steps, we can easily implement a simple email sending function. Of course, this is just a basic example, and more verification and security measures may be required in actual scenarios. However, this example provides a good starting point for understanding how to use PHP to send emails. Hope this article is helpful to you!

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