PHP implements multi-language support for email content

With the development of globalization, more and more companies and individuals are committed to building multi-language websites. In this context, how to implement multi-language support for email content has become one of the difficult problems that many website administrators must face. This article will introduce how PHP implements multi-language support for email content.

1. Get the language type

First, we need to get the language type of the current user. PHP can pass some predefined super global variables such as $_SERVER['HTTP_ACCEPT_LANGUAGE'] or $_SERVER[ 'HTTP_REFERER'] to get the current user's language settings. For example:

$default_lang = 'en';

if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
$langs = explode(',', $_SERVER[ 'HTTP_ACCEPT_LANGUAGE']);
$default_lang = trim(strtolower(substr($langs[0], 0, 2)));
}

The above code snippet can get the current user's language type and store it in the variable $default_lang.

2. Save the language pack

The next step is to save the language pack. A language pack contains email content and email templates in the corresponding language. For example, we can create a lang folder and save email content and templates in different languages ​​in different files. For example, we store email content and template information in English and Chinese:

##lang/en/email_template.php
• lang/en/email_content.php
• lang/cn/email_template.php
• lang/cn/email_content.php

3. Read the language pack content

Then, we need Read the corresponding language pack content to generate the corresponding email content and template. The following is the process of reading the contents of the language pack:

//Read email template

if (!file_exists("lang/$default_lang/email_template.php")) {
$default_lang = ' en';
}
$email_template = include_once("lang/$default_lang/email_template.php");

//Read the email content

if (!file_exists("lang/ $default_lang/email_content.php")) {
$default_lang = 'en';
}
$email_content = include_once("lang/$default_lang/email_content.php");

The above code snippet will read the corresponding language pack content based on the value of the $default_lang variable and save it in the $email_template and $email_content variables.

4. Replace template variables

Next, we replace the email content according to the template file saved in the language pack. The code is as follows:

foreach ($email_content as $ key => $value) {

$email_template['body'] = str_replace("{$key}", $value, $email_template['body']);
$email_template['subject'] = str_replace("{$key}", $value, $email_template['subject']);
}

The above code snippet replaces the variables in the email content in the language pack with the corresponding values , and generate the final email content and email title, and finally use the email service to send the email.

Summary

This article introduces how to use PHP to implement multi-language support for email content. By obtaining the current user's language type, reading the corresponding language pack content, and replacing template variables, we can easily implement multi-language support for email content and email titles. At the same time, we can also encapsulate the above code into functions to facilitate calling and expansion.

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