findPrevious(T_STRING, $stackPtr - 1, null, false, null, true); ?>
findPrevious(T_WHITESPACE, $stackPtr - 1, null, true, null, true); ?>In this example, we are using the findPrevious function to search for the first non-whitespace token before the current position. We are limiting the search to tokens that are not whitespace. The PHP_CodeSniffer library is a package that provides a set of pre-defined coding standards for PHP. It also includes a command-line tool that can be used to analyze PHP code against those standards.