email验证 php验证邮箱
php验证邮箱 ```{php}lt;?php if(isset($_POST[#39;email#39;])){ $email = $_POST[#39;email#39;]; if(filter_var($email, FILTER_VALIDATE_EMAIL)){ echo #39;lt;pgt;This is a valid email.lt;pgt;#39;; }else{
<?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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