class FunctionClosingBraceSniff

class FunctionClosingBraceSniff implements Sniff {
    
    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array<int|string>
     */
    public function register() {
        return [
            T_FUNCTION,
            T_CLOSURE,
        ];
    }
    
    //end register()
    
    /**
     * Processes this sniff, 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 = $phpcsFile->getTokens();
        if (isset($tokens[$stackPtr]['scope_closer']) === false) {
            // Probably an interface method.
            return;
        }
        $closeBrace = $tokens[$stackPtr]['scope_closer'];
        $prevContent = $phpcsFile->findPrevious(T_WHITESPACE, $closeBrace - 1, null, true);
        $found = $tokens[$closeBrace]['line'] - $tokens[$prevContent]['line'] - 1;
        if ($found < 0) {
            // Brace isn't on a new line, so not handled by us.
            return;
        }
        if ($found === 0) {
            // All is good.
            return;
        }
        $error = 'Function closing brace must go on the next line following the body; found %s blank lines before brace';
        $data = [
            $found,
        ];
        $fix = $phpcsFile->addFixableError($error, $closeBrace, 'SpacingBeforeClose', $data);
        if ($fix === true) {
            $phpcsFile->fixer
                ->beginChangeset();
            for ($i = $prevContent + 1; $i < $closeBrace; $i++) {
                if ($tokens[$i]['line'] === $tokens[$prevContent]['line']) {
                    continue;
                }
                // Don't remove any indentation before the brace.
                if ($tokens[$i]['line'] === $tokens[$closeBrace]['line']) {
                    break;
                }
                $phpcsFile->fixer
                    ->replaceToken($i, '');
            }
            $phpcsFile->fixer
                ->endChangeset();
        }
    }
    
    //end process()

}