timw4mail / HummingBirdAnimeClient

        ) {

            $error = 'Single-quoted strings should be used unless it contains variables, special chars like \n or single quotes.';

            $phpcsFile->addError($error, $stackPtr);

        } else if (false !== $smpl_qt_at && false !== $dbl_qt_at

            && false === $has_variable && false === $has_specific_sequence

        ) {

            $warning = 'It is encouraged to use a single-quoted string, since it doesn\'t contain any variable nor special char though it mixes single and double quotes.';

            $phpcsFile->addWarning($warning, $stackPtr);

        }

    }//end processDoubleQuotedString()

        $has_variable = parent::processSingleQuotedString($phpcsFile, $stackPtr, "'".$qtString."'");

        $dbl_qt_at = strpos($qtString, '"');

        $smpl_qt_at = strpos($qtString, "'");

        if (false === $has_variable && false !== $smpl_qt_at && false === $dbl_qt_at) {

            $warning = 'You may also use double-quoted strings if the string contains single quotes, so you do not have to use escape characters.';

            $phpcsFile->addWarning($warning, $stackPtr);

        }

    }//end processSingleQuotedString()

    /**