1<?php 2/** 3 * Squiz_Sniffs_PHP_GlobalKeywordSniff. 4 * 5 * PHP version 5 6 * 7 * @category PHP 8 * @package PHP_CodeSniffer 9 * @author Greg Sherwood <gsherwood@squiz.net> 10 * @author Marc McIntyre <mmcintyre@squiz.net> 11 * @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600) 12 * @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence 13 * @link http://pear.php.net/package/PHP_CodeSniffer 14 */ 15 16/** 17 * Squiz_Sniffs_PHP_GlobalKeywordSniff. 18 * 19 * Stops the usage of the "global" keyword. 20 * 21 * @category PHP 22 * @package PHP_CodeSniffer 23 * @author Greg Sherwood <gsherwood@squiz.net> 24 * @author Marc McIntyre <mmcintyre@squiz.net> 25 * @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600) 26 * @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence 27 * @version Release: @package_version@ 28 * @link http://pear.php.net/package/PHP_CodeSniffer 29 */ 30class Squiz_Sniffs_PHP_GlobalKeywordSniff implements PHP_CodeSniffer_Sniff 31{ 32 33 34 /** 35 * Returns an array of tokens this test wants to listen for. 36 * 37 * @return array 38 */ 39 public function register() 40 { 41 return array(T_GLOBAL); 42 43 }//end register() 44 45 46 /** 47 * Processes this test, when one of its tokens is encountered. 48 * 49 * @param PHP_CodeSniffer_File $phpcsFile The file being scanned. 50 * @param int $stackPtr The position of the current token in the 51 * stack passed in $tokens. 52 * 53 * @return void 54 */ 55 public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr) 56 { 57 $tokens = $phpcsFile->getTokens(); 58 59 $nextVar = $tokens[$phpcsFile->findNext(array(T_VARIABLE), $stackPtr)]; 60 $varName = str_replace('$', '', $nextVar['content']); 61 $error = 'Use of the "global" keyword is forbidden; use "$GLOBALS[\'%s\']" instead'; 62 $data = array($varName); 63 $phpcsFile->addError($error, $stackPtr, 'NotAllowed', $data); 64 65 }//end process() 66 67 68}//end class 69