call_user_func

<?php                 $isError = true;

            }

        } elseif (isset($this->newDirectives[$directive]['valid_value_callback'])) {

            $valid = \call_user_func([$this, $this->newDirectives[$directive]['valid_value_callback']], $value);

            if ($valid === false) {

                $isError = true;

            }

<?php         ) {


            if (isset($this->newKeywords[$tokenType]['callback'])

                && \call_user_func($this->newKeywords[$tokenType]['callback'], $phpcsFile, $stackPtr) === true

            ) {

                return;

            }

<?php                 && ((isset($this->PHPCSCompatTranslate[$tokenType]['before'], $tokens[$stackPtr - 1]) === true

                    && $tokens[$stackPtr - 1]['type'] === $this->PHPCSCompatTranslate[$tokenType]['before'])

                || (isset($this->PHPCSCompatTranslate[$tokenType]['callback']) === true

                    && \call_user_func([$this, $this->PHPCSCompatTranslate[$tokenType]['callback']], $tokens, $stackPtr) === true))

            ) {

                $tokenType = $this->PHPCSCompatTranslate[$tokenType]['real_token'];

            }