What are the best practices for ensuring that HTML code is executed properly in emails sent through PHP-Mailer?

When sending HTML emails through PHP-Mailer, it is important to ensure that the HTML code is properly formatted and encoded to prevent any rendering issues in the recipient's email client. To do this, you can use PHP's `htmlspecialchars()` function to encode special characters in the HTML code before setting it as the body of the email. 

// Example PHP code snippet to send an HTML email using PHP-Mailer with proper encoding
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

// Include PHP-Mailer autoload file
require 'vendor/autoload.php';

// Create a new PHP-Mailer instance
$mail = new PHPMailer();

// Set the email content type to HTML
$mail->isHTML(true);

// Encode special characters in the HTML code
$htmlContent = '<html><body><p>Hello, world!</p></body></html>';
$mail->Body = htmlspecialchars($htmlContent);

// Set other email parameters (e.g., recipient, subject, sender)
$mail->setFrom('sender@example.com', 'Sender Name');
$mail->addAddress('recipient@example.com', 'Recipient Name');
$mail->Subject = 'Test HTML Email';

// Send the email
if ($mail->send()) {
    echo 'Email sent successfully';
} else {
    echo 'Email could not be sent';
}

Keywords

PHP-Mailer HTML code email execution best practices

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