HTTP global PHP variables

Question

Is there a way to get a reference to the global arrays that contain HTTP request data like get, post, cookie, etc. ? For example:

$varName = getRequestReference()['varName'];

where getRequestReference() would return &$_GET, &$_POST...depending on the type of request that the user used to submit data in the script.

sradforth · Accepted Answer · 2013-01-21 13:41:30Z

3

Sounds like you're after $_REQUEST variable?

Request variable docs

answered Jan 21, 2013 at 13:41

sradforth

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Veger · Accepted Answer · 2013-01-21 16:10:55Z

0

You can use $_REQUEST to either grab the $_POST, $_GET or $_COOKIE values

See the documentation for more details.

You could also create a custom function that either grabs $_POST or $_GET, depending which has the requested key:

function getRequest($key)
{
    if(!empty($_GET[$key]))
    {
        return $_GET[$name];
    }
    if(!empty($_POST[$key]))
    {
        return $_POST[$name];
    }

    return null;
}

$varValue = getRequest('varName');

This function will return the updated values (when you modify one of these global variables at run-time)

edited Jan 21, 2013 at 16:10

answered Jan 21, 2013 at 13:42

Veger

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3 Comments

user1845360 Over a year ago

I know about $_REQUEST, however I wanted a reference because if the contents of the get or post (or whatever the request was) are modified at runtime the $_REQUEST will not reflect that change as opposed to a reference.

Veger Over a year ago

I have updated my answer, with a solution to keep using $_GET and $_POST, so it will provide updated values (which you seem planning to do). Personally, I would not update these global variables, as it might provide confusion later (eg when you forgot you updated them and expected a different value)

user1845360 Over a year ago

Thanks for that..though it would be useful if php could offer a reference to the global array depending on the type of request.

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