Exakat\Phpexec::getTokens PHP Method

    public function getTokens()
    {
        // prepare the list of tokens
        if ($this->isCurrentVersion) {
            if (!in_array('tokenizer', get_loaded_extensions())) {
                return false;
            }
            $x = get_defined_constants(true);
            $tokens = array_flip($x['tokenizer']);
        } else {
            $tmpFile = tempnam(sys_get_temp_dir(), 'Phpexec');
            shell_exec($this->phpexec . ' -r "print \'<?php \\$tokens = \'; \\$x = get_defined_constants(true); if (!isset(\\$x[\'tokenizer\'])) { \\$x[\'tokenizer\'] = array(); }; var_export(array_flip(\\$x[\'tokenizer\'])); print \';  ?>\';" > ' . $tmpFile);
            include $tmpFile;
            unlink($tmpFile);
            if (empty($tokens)) {
                return false;
            }
        }
        // prepare extra tokens
        self::$tokens = $tokens + self::$extraTokens;
    }