<?php
/**
* Stops the usage of the "global" keyword.
*
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
*/
namespace PHP_CodeSniffer\Standards\Squiz\Sniffs\PHP;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
class GlobalKeywordSniff implements Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return [T_GLOBAL];
}//end register()
/**
* Processes this test, when one of its tokens is encountered.
*
* @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
* @param int $stackPtr The position of the current token in the
* stack passed in $tokens.
*
* @return void
*/
public function process(File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
$nextVar = $tokens[$phpcsFile->findNext([T_VARIABLE], $stackPtr)];
$varName = str_replace('$', '', $nextVar['content']);
$error = 'Use of the "global" keyword is forbidden; use "$GLOBALS[\'%s\']" instead';
$data = [$varName];
$phpcsFile->addError($error, $stackPtr, 'NotAllowed', $data);
}//end process()
}//end class