validate input email php code example

Example 1: how to validate an email field using php

<?php
   $email = "[email protected]";
   // Validate email
   if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
      echo("$email is a valid email address");
   }
   else{
      echo("$email is not a valid email address");
   }
?>

Example 2: validate correct format email php

$email = $_POST["email"];
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
  $emailErr = "Invalid email format";
}