[SOLVED] $_POST is different from $_REQUEST

Xeoncross · October 1, 2007

Has anyone ever had a PHP script that had different values in the $_POST array than in the $_REQUEST array?

Take a look at the values below and you will see that data sent through a method="POST" form became different for both arrays.

print_r($_POST); - inputs became a string

Array
(
    [inputs] => Array
    [action] => disable
    [submit] => submit
    [active] => 1
)

print_r($_REQUEST); inputs became an array

Array
(
    [active] => 1
    [inputs] => Array
        (
            [0] => 65
            [1] => 64
        )

    [action] => disable
    [submit] => submit
)

BlueSkyIS · October 1, 2007

because they ARE different. compare GET too...

pocobueno1388 · October 1, 2007

It is because $_REQUEST holds the values for both GET and POST.

Xeoncross · October 1, 2007

because they ARE different. compare GET too...

I know they are different - but not whole array-to-string different. What is going on? why would a POST array be a string? (REQUEST got it right).

BlueSkyIS · October 1, 2007

I didn't know that. Thank you!

wildteen88 · October 1, 2007

$_REQUEST and $_POST the same here!

Array
(
    [txtbox] => foo
    [inputs] => Array
        (
            [0] => b
            [1] => c
        )

    [submit] => submit
)

Array
(
    [txtbox] => foo
    [inputs] => Array
        (
            [0] => b
            [1] => c
        )

    [submit] => submit

Not sure what you mean?

Test code:

<?php


echo '<h1>$_REQUEST</h1>
<pre>' . print_r($_REQUEST, true) . '</pre>

<h1>$_POST</h1>
<pre>' . print_r($_POST, true) . '</pre>';

?>
<form action="#" method="post">
  Text: <input type="text" name="txtbox" /><br />
  Inputs:<br />
  <input type="checkbox" name="inputs[]" value="a" /> A<br />
  <input type="checkbox" name="inputs[]" value="b" /> B<br />
  <input type="checkbox" name="inputs[]" value="c" /> C<br />
  Submit: <input type="submit" name="submit" value="submit" />
</form>

pocobueno1388 · October 1, 2007

wildteen88 - If you changed your form method to GET they wouldn't end up the same.

wildteen88 · October 1, 2007

same output no change. Tested in FF, IE 7 and Safari (Win). I cannot see how $_POST displays differently.

pocobueno1388 · October 1, 2007

Okay, manually put something in the URL. Just add this

?id=1

Then submit the form.

That makes them different, I just tested it.

Xeoncross · October 1, 2007

Ok, I just striped my code down to something simple like the below code - and it works.

So my guess is that somewhere in my system something is messing with the $_POST data and turning it into a string. (the only thing is that I can't find anywhere where my code messes with the $_POST data!)

So any ideas?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<title>POST and REQUEST TEST</title>

<script type="text/javascript">

// Check All Code from 
// http://www.dustindiaz.com/check-one-check-all-javascript/

function checkAllFields(ref)
{
var chkAll = document.getElementById('checkAll');
var checks = document.getElementsByName('inputs[]');
var removeButton = document.getElementById('submit');
var boxLength = checks.length;
var allChecked = false;
var totalChecked = 0;
if ( ref == 1 )
{
	if ( chkAll.checked == true )
	{
		for ( i=0; i < boxLength; i++ )
		checks[i].checked = true;
	}
	else
	{
		for ( i=0; i < boxLength; i++ )
		checks[i].checked = false;
	}
}
else
{
	for ( i=0; i < boxLength; i++ )
	{
		if ( checks[i].checked == true )
		{
		allChecked = true;
		continue;
		}
		else
		{
		allChecked = false;
		break;
		}
	}
	if ( allChecked == true )
	chkAll.checked = true;
	else
	chkAll.checked = false;
}
for ( j=0; j < boxLength; j++ )
{
	if ( checks[j].checked == true )
	totalChecked++;
}
removeButton.value = "Process ["+totalChecked+"] Selected";
}

</script>

</head>

<body>

<?php
echo '<h1>$_REQUEST</h1>
<pre>' . print_r($_REQUEST, true) . '</pre>

<h1>$_POST</h1>
<pre>' . print_r($_POST, true) . '</pre>';

?>

<form action="#" method="post" onsubmit="return confirm('Are you sure you want to ' + document.getElementById('action').value + ' the selected items?');">
    
    <fieldset>
        <legend></legend>

        <dl>
            <dt>
                <label for="title">
                    <input class="boxes" value="67" name="inputs[]" onclick="checkAllFields(2);" type="checkbox">
                </label>
            </dt>
            <dt>
                <label for="title">
                    <input class="boxes" value="68" name="inputs[]" onclick="checkAllFields(2);" type="checkbox">
                </label>
            </dt>
            <dt>
                <label for="title">
                    <input class="boxes" value="69" name="inputs[]" onclick="checkAllFields(2);" type="checkbox">
                </label>
            </dt>
            <dt>
                <label for="title">
                    <input class="boxes" value="70" name="inputs[]" onclick="checkAllFields(2);" type="checkbox">
                </label>
            </dt>
            
            <dt>
                <label for="action">Action to take:</label>
            </dt>
            <dd>
                
                <select name="action" id="action">
                    <option selected="selected" value="approve">Approve</option>

                    <option value="disable">Disable</option>
                    <option value="delete">Delete</option>
                </select>
            </dd>
            
            <dt>
                <label for="removeChecked"></label>
            </dt>
            <dd class="submit">
                <input value="Process [0] Selected" name="submit" id="submit" type="submit">
                <input value="1" name="active" type="hidden">
            </dd>
            
        </dl>
    </fieldset>
</form>

Again, the simplified code above works just fine.

Xeoncross · October 1, 2007

Ok, I found it.

I was cleaning the POST data somewhere like this:

<?php
if (get_magic_quotes_gpc()) {
    //foreach $_GET variable
    foreach($_GET as $key => $value) {
        //Clean the value of the added slashes
        $_GET[$key] = stripslashes($value);
    }
    //foreach $_POST variable
    foreach($_POST as $key => $value) {
     
        //Clean the value of the added slashes
        $_POST[$key] = stripslashes($value);
    }
}
?>

Which is bad because I had a multi-level $_POST array ($_POST['inputs'][0] was on level 3). So I was messing myself up by trying to clean the forward slashes from the posted code. aghhhhh!

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[SOLVED] $_POST is different from $_REQUEST

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