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PHP: How to Validate Emails using filter_var() Function

Validating email addresses is an essential task in web development, ensuring that the email addresses provided by users are correctly formatted and valid. In PHP, you can leverage the filter_var() function along with the FILTER_VALIDATE_EMAIL flag to easily validate email addresses. In this blog post, we will explore how to validate emails using the filter_var() function in PHP.

The code checks whether the given email address is valid or not using the built-in filter_var() function with the FILTER_VALIDATE_EMAIL filter. If the email address is valid, it will output “Email is valid”. It will output “Invalid email format” otherwise.

<?php

$email = "edward@coderscratchpad.com";

if (filter_var($email, FILTER_VALIDATE_EMAIL)) {

    echo "The email address $email is valid.";

} else {
    
    echo "The email address $email is not valid. Please provide a valid email address in the format user@example.com.";

}

In conclusion, this code can be used as a quick and easy method to check the validity of email addresses entered by users in a web form or application. I hope that’s been informative to you. If you wish to learn more about PHP, please subscribe to our newsletter today and continue your PHP learning journey with us!

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