อยากทำ form post ไปยังไฟล์ php นี้แล้วอยากให้มัน echo ค่าต่างๆกลับมาอ่ะค่ะ

<?php
function base64_post_decode($input) {
    return base64_decode(strtr($input, '-_,', '+/='));
}

	$serial_data = base64_post_decode( $_POST['base64_data'] );
	$serial_data = unserialize( $serial_data );
	$serial_count = count($serial_data);
	for( $i=0 ; $i < $serial_count ; $i++ )
	{
		$value1 = $serial_data[$i]['text1'];
		$value2 = $serial_data[$i]['text2'];
		$value3 = $serial_data[$i]['text3'];
	}
?>

<form ENCTYPE="text/html" action="return.php" method="post">
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    <input type="submit" name="submit" id="submit" value="Submit" />
</form>