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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Sniffs\Variables;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Files\File;
/**
* Sniff prohibiting usage of global variables.
*/
class GlobalVariablesSniff implements Sniff
{
/**
* @inheritdoc
*/
public function register()
{
return [T_VARIABLE];
}
/**
* @inheritdoc
*/
public function process(File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
if (preg_match('/^\$[_A-Z0-9]+$/', $tokens[$stackPtr]['content'])) {
$phpcsFile->addError(
'Usage of global variables is not allowed: ' . $tokens[$stackPtr]['content'],
$stackPtr,
'ERROR'
);
return;
}
}
}