PHP File Manager

File "php_form_validate_url.php"

Full path: E:/sites/Single15/tinmung2007/webroot/THDC-Hai- Ngoai/hocwebchuan_form_validation/php_form_validate_url.php
File size: 745 B
MIME-type:
Charset: utf-8

Download Open Back

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>PHP form</title>
</head>

<body>
<form action="" method="post">
    URL: <input type="text" name="path" value="">
    <button type="submit">Gửi</button>
</form>
<?php 
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    if (empty($_POST["path"])) {
        echo "<span style='color:red;'>Error: URL bắt buộc phải nhập.</span>";
    } else {
        $path = $_POST["path"];
        if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i",$path)) {
            echo "<span style='color:red;'>Error: URL nhập chưa đúng.</span>";
        } else {
            echo $path;
        }
    }
}
?>
</body>
</html>