How to validate an Email in PHP?

Question

How can I validate the input value is a valid email address using php5. Now I am using this code

function isValidEmail($email){ 
     $pattern = \"^[_a-z0-9         


        

Answer 1

User data is very important for a good developer, so don't ask again and again for same data, use some logic to correct some basic error in data.

Before validation of Email: First you have to remove all illegal characters from email.

//This will Remove all illegal characters from email
$email = filter_var($email, FILTER_SANITIZE_EMAIL);

after that validate your email address using this filter_var() function.

filter_var($email, FILTER_VALIDATE_EMAIL)) // To Validate the email

For e.g.