Form data print on the other Page using GET, POST and REQUEST after submitting

 <html>

    <head>
        <title>Form Page</title>
    </head>
    <body>
        <form action="testform.php", method="post">
            Name: <input type="text" name="fname"><br><br>
            Age: <input type="text" name="age"><br><br>
            <input type="submit" name="save">
        </form>
    </body>
    // When we send data by form submitting then data will be sent in Array form
</html>



Below is other File(Page)
<?php
// When we send data by form submitting then data will be sent in Array form

// Super Global Variables:
//  $_GET
//  $_POST
//  $_REQUEST
//  $_SERVER
//  $_SESSION
//  $_COOKIE
//  $_FILES

// echo "<pre>";
// print_r($_GET);
// echo "</pre>";

// echo $_GET["fname"] . "<br>";
// echo $_GET["age"];

echo "<pre>";
print_r($_POST);
echo "</pre>";

echo $_POST["fname"] . "<br>";
echo $_POST["age"] . "<br>";

echo "<pre>";
print_r($_REQUEST);
echo "</pre>";
echo "<br>";

echo "<pre>";
print_r($_SERVER);
echo "</pre>";
echo "<br>";

echo $_SERVER["PHP_SELF"] . "<br>";
echo $_SERVER["HTTP_HOST"] . "<br>";
echo "<br>";

echo $_REQUEST["fname"] . "<br>";
echo $_REQUEST["age"] . "<br>";
echo "<br>";

?>





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