class EmptyCatchCommentSniff

class EmptyCatchCommentSniff implements Sniff {
    
    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array<int|string>
     */
    public function register() {
        return [
            T_CATCH,
        ];
    }
    
    //end register()
    
    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile All the tokens found in the document.
     * @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();
        $scopeStart = $tokens[$stackPtr]['scope_opener'];
        $firstContent = $phpcsFile->findNext(T_WHITESPACE, $scopeStart + 1, $tokens[$stackPtr]['scope_closer'], true);
        if ($firstContent === false) {
            $error = 'Empty CATCH statement must have a comment to explain why the exception is not handled';
            $phpcsFile->addError($error, $scopeStart, 'Missing');
        }
    }
    
    //end process()

}