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<?php
/**
* This file is part of PHP Mess Detector.
*
* Copyright (c) Manuel Pichler <mapi@phpmd.org>.
* All rights reserved.
*
* Licensed under BSD License
* For full copyright and license information, please see the LICENSE file.
* Redistributions of files must retain the above copyright notice.
*
* @author Manuel Pichler <mapi@phpmd.org>
* @copyright Manuel Pichler. All rights reserved.
* @license https://opensource.org/licenses/bsd-license.php BSD License
* @link http://phpmd.org/
*/
namespace PHPMD\Rule\Controversial;
use PHPMD\AbstractNode;
use PHPMD\AbstractRule;
use PHPMD\Rule\FunctionAware;
use PHPMD\Rule\MethodAware;
/**
* This rule class detects the usage of superglobals.
*
* @author Francis Besset <francis.besset@gmail.com>
* @since 1.1.0
*/
class Superglobals extends AbstractRule implements MethodAware, FunctionAware
{
protected $superglobals = array(
'$GLOBALS',
'$_SERVER',
'$HTTP_SERVER_VARS',
'$_GET',
'$HTTP_GET_VARS',
'$_POST',
'$HTTP_POST_VARS',
'$_FILES',
'$HTTP_POST_FILES',
'$_COOKIE',
'$HTTP_COOKIE_VARS',
'$_SESSION',
'$HTTP_SESSION_VARS',
'$_REQUEST',
'$_ENV',
'$HTTP_ENV_VARS',
);
/**
* This method checks if a superglobal is used
* and emits a rule violation.
*
* @param \PHPMD\AbstractNode $node
* @return void
*/
public function apply(AbstractNode $node)
{
foreach ($node->findChildrenOfTypeVariable() as $variable) {
if (in_array($variable->getImage(), $this->superglobals)) {
$this->addViolation(
$node,
array(
$node->getName(),
$variable->getImage(),
)
);
}
}
}
}