Code:
<!DOCTYPE html><html>
<body>
<center>
<h1>EVEN NUMBERS IN RANGE</h1>
<?php
if(isset($_POST['find']))
{
$a=$_POST['lower'];
$b=$_POST['upper'];
for($a;$a<=$b;$a++)
{
if($a%2==0){
echo "$a<br/>";
}
}
}
?>
<form method="post" action="index.php" name="evn">
Lower limit: <input type="text" name="lower">
Upper limit: <input type="text" name="upper">
<input type="submit" name="find" value="Find">
</form>
</center>
</body>
</html>
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