php邮件|添加多个收件人| WordPress

<?php
$to = array(
    'recipient1@example.com',
    'recipient2@example.com',
    'recipient3@example.com'
);

$subject = 'Hello from PHP Mail';
$message = 'This is a test email sent using PHP Mail';

$headers = 'From: yourname@example.com' . "\r\n" .
    'Reply-To: yourname@example.com' . "\r\n" .
    'X-Mailer: PHP/' . phpversion();

// 使用implode函数将收件人数组转换为逗号分隔的字符串
$to = implode(',', $to);

// 发送邮件
$mailSent = mail($to, $subject, $message, $headers);

if ($mailSent) {
    echo 'Email sent successfully';
} else {
    echo 'Failed to send email';
}
?>