Retrieve submited value of the submit botton.

Retrieve submited value of the submit botton.
Please don't user javascript

1st form

Form1.php

<form method="POST" action="didclick.php">
<input type="submit" value="ClickA" name="ClickA" >
<br>
<input type="submit" value="ClickB" name="ClickB" >
</form>


2nd form
didclick.php
<?php
Echo "Did click";
///something here
?>

Thanks