How can debugging techniques be utilized to troubleshoot email sending issues in PHP?

Issue: Debugging techniques can be utilized to troubleshoot email sending issues in PHP by checking for errors in the code, verifying that the SMTP settings are correct, and ensuring that the email server is properly configured.

// Debugging email sending issues in PHP

// Check for errors in the code
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Verify SMTP settings
ini_set('SMTP', 'your_smtp_server');
ini_set('smtp_port', 'your_smtp_port');

// Ensure email server is properly configured
$to = 'recipient@example.com';
$subject = 'Test Email';
$message = 'This is a test email';
$headers = 'From: sender@example.com';

// Send email
if (mail($to, $subject, $message, $headers)) {
    echo 'Email sent successfully';
} else {
    echo 'Failed to send email';
}