PHP

how to validate an email field using php

<?php
   $email = "pattrick@tutorialspoint.com";
   // Validate email
   if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
      echo("$email is a valid email address");
   }
   else{
      echo("$email is not a valid email address");
   }
?>

valide email php

$email = "email@email.fr";

if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
  $emailErr = "Email invalide";
}

filter validate email php

if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
    //further code if email is valid
} else {
	//further code if email is invalid
}

php validate email

//BE CAREFUL!!!
//NEVER VALIDATE A EMAIL WITH A NORMAL PREG MATCH
//I SAW THIS A LOT VALIDATING A EMAIL IS THE BEST TO SEND A EMAIL 
//AND VERIFY
//BECAUSE SOMEONE MIGHT HAVE A RIGHT EMAIL THAT DOESNT WORK BECAUSE OF 
//PREG MATCH