<!DOCTYPE html>
<html>
<title>Form-checkbox</title>
<body>
<?php
	$check_result = $_REQUEST['myform'];
	$check_option1= $_REQUEST['option1'];
	$check_option2= $_REQUEST['option2'];
	$check_option3= $_REQUEST['option3'];
?>
<form name="myform" action="?" method="Get">
<input type="checkbox" name="option1" value="Milk" checked <?php if ($check_option1=="Milk") echo "checked";?>/> Milk<br>
<input type="checkbox" name="option2" value="Butter" <?php if ($check_option2=="Butter") echo "checked";?> /> Butter<br>
<input type="checkbox" name="option3" value="Cheese" <?php if ($check_option3=="Cheese") echo "checked";?>/> Cheese<br>
<input type="submit" id="t_submit" name="t_submit" value="submit" />
</form>
<?php

if ($check_option1!="")
	echo  "<p id='checkbox_result1'>".$check_option1."</p>";

if ($check_option2!="")
	echo  "<p id='checkbox_result2'>".$check_option2."</p>";

if ($check_option3!="")
	echo  "<p id='checkbox_result3'>".$check_option3."</p>"
?>
</body>
</html>
