* final class Foo * { * public final function bar() * { * } * } * * * @author Manuel Pichler * @copyright 2007-2014 Manuel Pichler. All rights reserved. * @license https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/HEAD/licence.txt BSD Licence */ namespace PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis; use PHP_CodeSniffer\Files\File; use PHP_CodeSniffer\Sniffs\Sniff; class UnnecessaryFinalModifierSniff implements Sniff { /** * Registers the tokens that this sniff wants to listen for. * * @return array */ public function register() { return [T_CLASS]; }//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(); $token = $tokens[$stackPtr]; // Skip for statements without body. if (isset($token['scope_opener']) === false) { return; } if ($phpcsFile->getClassProperties($stackPtr)['is_final'] === false) { // This class is not final so we don't need to check it. return; } $next = ++$token['scope_opener']; $end = --$token['scope_closer']; for (; $next <= $end; ++$next) { if ($tokens[$next]['code'] === T_FINAL) { $error = 'Unnecessary FINAL modifier in FINAL class'; $phpcsFile->addWarning($error, $next, 'Found'); } // Skip over the contents of functions as those can't contain the `final` keyword anyway. if ($tokens[$next]['code'] === T_FUNCTION && isset($tokens[$next]['scope_closer']) === true ) { $next = $tokens[$next]['scope_closer']; } } }//end process() }//end class