Is it advisable to keep backups of customized PHPMailer files in case of unexpected changes during updates?

It is advisable to keep backups of customized PHPMailer files in case of unexpected changes during updates. This ensures that you have a fallback option in case the updates cause any issues with your customizations. By keeping backups, you can easily revert to the previous version if needed. 

// Example code to backup customized PHPMailer files
// Copy the customized PHPMailer files to a backup folder
$backupFolder = 'phpmailer_backup';
$customizedFiles = ['class.phpmailer.php', 'class.smtp.php']; // List of customized PHPMailer files

if (!is_dir($backupFolder)) {
    mkdir($backupFolder);
}

foreach ($customizedFiles as $file) {
    $source = 'path/to/phpmailer/' . $file;
    $destination = $backupFolder . '/' . $file;
    
    copy($source, $destination);
}

Keywords

PHP PHPMailer backups updates customization

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