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PHP technology for generating and sending email templates

王林Original: 2023-05-23 10:21:051332browse

With the popularity of email, more and more companies are beginning to use email as the main channel for promotion, sales and customer communication. In order to improve the efficiency and uniformity of emails, email templates have become a necessary tool for enterprises to use emails. In this article, we will focus on how to use PHP to generate and send email templates.

1. Create an email template

First, we need to create a reusable email template. During the creation process, we need to consider the following aspects:

Content

The content in the email template needs to be designed according to the actual scenario. Generally speaking, an email template should include three parts: title, body and conclusion. When creating templates, we should try our best to improve the readability and understandability of emails and avoid ambiguity and unnecessary information.

Style

Email style is an important part of the email template. We can use an online email template maker to create an email template full of personalized design. In addition, we can also use CSS style sheets to define the style of email templates.

Variable parts

Some parts in the email template need to be dynamically replaced according to different situations. Such as recipient name, company name, discount code, etc. By reserving a few placeholders, we can easily replace dynamic content.

2. Dynamically generate email templates

We use PHP to dynamically generate email templates, which requires the use of PHP's template engine. Currently, commonly used PHP template engines include Smarty, Twig, Blade, etc. Here we use Twig for introduction.

Install Twig

We need to install Twig first, which can be installed through composer. Use the following command:

composer require "twig/twig: ^3.0"

Create an email template

We create a new mail.html file and write the following code:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>{{ title }}</title>
</head>
<body>
    <h1>{{ title }}</h1>
    <p>{{ content }}</p>
    <p>{{ signature }}</p>
</body>
</html>

In this template, we Three placeholders are reserved: title, content and signature. These placeholders will be dynamically replaced with specific content when the email is sent.

Dynamicly generate email templates

We use Twig to dynamically generate email templates. First, we need to introduce Twig and load the email template we just created. Then, we use twig's render method to generate the email template.

<?php
require_once __DIR__ . '/vendor/autoload.php';

use TwigEnvironment;
use TwigLoaderFilesystemLoader;

$loader = new FilesystemLoader(__DIR__ . '/templates');
$twig = new Environment($loader);

$template = $twig->load('mail.html');
$variables = [
    'title' => '欢迎来到我的网站',
    'content' => '这是一封测试邮件',
    'signature' => '谢谢'
];

$html = $template->render($variables);
echo $html;

4. Sending emails

We use PHPMailer to send emails. PHPMailer is a class library that can send emails using PHP, supporting common email protocols such as SMTP, POP3, and IMAP. PHPMailer can support HTML emails and attachments when sending emails.

When using PHPMailer to send emails, we need to provide the following information:

SMTP server address and login related information
Emails of the sender and recipient Address
Email subject, body, attachments, etc.

Here we show the relevant code of PHPMailer:

<?php
require 'vendor/autoload.php';

use PHPMailerPHPMailerPHPMailer;

// 创建实例
$mail = new PHPMailer();

// 配置服务器相关信息
$mail->isSMTP();                                      // 使用SMTP协议发送
$mail->Host = 'smtp.gmail.com';                       // SMTP服务器地址
$mail->SMTPAuth = true;                               // 启用SMTP身份验证
$mail->Username = 'youremail@gmail.com';              // SMTP账户名
$mail->Password = 'yourpassword';                     // SMTP账户密码
$mail->SMTPSecure = 'ssl';                            // SSL协议
$mail->Port = 465;                                    // SMTP端口号

// 配置发件人和收件人
$mail->setFrom('youremail@gmail.com', '你的名字');
$mail->addAddress('receiver@example.com', '收件人姓名');

// 配置邮件内容
$mail->isHTML(true);
$mail->Subject = '邮件主题';
$mail->Body    = $html;   // $html 是我们在上面动态生成的邮件模板
$mail->CharSet = 'UTF-8';

// 发送邮件
if(!$mail->send()) {
    echo '邮件发送失败：' . $mail->ErrorInfo;
} else {
    echo '邮件发送成功！';
}

At this point, we have completed the implementation using PHP The entire process of email template generation and sending. By dynamically generating email templates and using PHPMailer to send emails, we can quickly send emails in batches and improve the efficiency of email sending.

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