php发送带图片的电子邮件

<?php
// 邮件发送者和接收者的电子邮件地址
$to = 'recipient@example.com';
$subject = '邮件主题';
$message = '邮件正文';
$headers = array('From' => 'sender@example.com', 'Content-type' => 'text/html; charset=UTF-8');

// 添加附件
$file = '/path/to/image.jpg';
$mime = array(
    'name' => basename($file),
    'type' => 'image/jpeg',
    'contents' => file_get_contents($file),
);
$encoded_mime = base64_encode($mime);
$headers = array_merge($headers, array('Content-type' => 'multipart/mixed; boundary="----=_NextPart_' . base64_encode($_SERVER['PHP_SELF']) . '"'), array('Content-length' => strlen($encoded_mime)));

// 发送电子邮件
mail($to, $subject, $message, $headers);
?>