<?php
require_once 'Post.inc';
//get instance
$post = Post::getInstance();
//get data - access $_POST array as it would be an object
$testValue = $post->testValue;
$step = $post->step;
if ($step == null) {
$step = 1;
}
//increment
$testValue += $step;
?>
<html>
<body>
<form method="POST">
Value to be incremented: <input type="text" name="testValue" value="<?=$testValue?>"/>
<br/>Step: <input type="text" name="step" value="<?=$step?>"/>
<br/><input type="submit" value="increment"/>
</form>
</body>
</html>
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