haruta/gist:5411458

## gistfile1.php
<html>
<head>
<script language="javascript" type="text/javascript">
window.onload = function() {
    var forms = document.getElementsByTagName('form');
    for (var i = 0; i < forms.length; i++) {
        var new_hidden = document.createElement('input');
        new_hidden.type= 'hidden';
        new_hidden.name = "input_key";
        new_hidden.value = document.getElementById('input_key_source').value;
        forms[i].appendChild(new_hidden);
    }
}
</script>
</head>
<body>
<input type="hidden" id="input_key_source" name="key" value="<?php echo date('YmdHis'); ?>">
<form action="add_hidden.php" name="form1" method="post">
<input type="submit" name="submit1">
</form>
<form action="add_hidden.php" name="form2" method="get">
<input type="submit" name="submit2">
</form>
<pre>
post =
<?php
var_dump($_POST);
?>
</pre>
<pre>
get =
<?php
var_dump($_GET);
?>
</pre>
</body>
</html>
	<html>
	<head>
	<script language="javascript" type="text/javascript">
	window.onload = function() {
	var forms = document.getElementsByTagName('form');
	for (var i = 0; i < forms.length; i++) {
	var new_hidden = document.createElement('input');
	new_hidden.type= 'hidden';
	new_hidden.name = "input_key";
	new_hidden.value = document.getElementById('input_key_source').value;
	forms[i].appendChild(new_hidden);
	}
	}
	</script>
	</head>
	<body>
	<input type="hidden" id="input_key_source" name="key" value="<?php echo date('YmdHis'); ?>">
	<form action="add_hidden.php" name="form1" method="post">
	<input type="submit" name="submit1">
	</form>
	<form action="add_hidden.php" name="form2" method="get">
	<input type="submit" name="submit2">
	</form>
	<pre>
	post =
	<?php
	var_dump($_POST);
	?>
	</pre>
	<pre>
	get =
	<?php
	var_dump($_GET);
	?>
	</pre>
	</body>
	</html>