چک معتبر بودن آدرس ایمیل - کد PHP

chkEmail.php


<?php
if(isset($_POST['email'])){
$email = $_POST['email'];
if(
filter_var($email, FILTER_VALIDATE_EMAIL)){
echo
'<p>This is a valid email.<p>';
}else{
echo
'<p>This is an invalid email.</p>';
}
}
?>
<form action="" method="post">
Email: <input type="text" name="email" value="<?php echo $_POST['email']; ?>">
<input type="submit" value="Check Email">
</form>
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