how get value button press

Question

how we get button value when press

Answer 1

<form action="#" method="post">
<select name="Color">
<option value="Red">Red</option>
<option value="Green">Green</option>
<option value="Blue">Blue</option>
<option value="Pink">Pink</option>
<option value="Yellow">Yellow</option>
</select>
<input type="submit" name="submit" value="Get Selected Values" />
</form>

<?php
if(isset($_POST['submit'])){
$selected_val = $_POST['Color']; // Storing Selected Value In Variable
echo "You have selected :" .$selected_val; // Displaying Selected Value
}
?>

Answer 2

if you not include option but just button ext : button1, button2 etc.