海豚命令执行复现

/** * Call a user function given with an array of parameters * @link https://php.net/manual/en/function.call-user-func-array.php * @param callback $function <p> * The function to be called. * </p> * @param array $param_arr <p> * The parameters to be passed to the function, as an indexed array. * </p> * @return mixed the function result, or false on error. * @since 4.0.4 * @since 5.0 */function call_user_func_array ($function, array $param_arr) {}

/** * Execute an external program and display the output * @link https://php.net/manual/en/function.system.php * @param string $command <p> * The command that will be executed. * </p> * @param int $return_var [optional] <p> * If the return_var argument is present, then the * return status of the executed command will be written to this * variable. * </p> * @return string|false the last line of the command output on success, and false * on failure. * @since 4.0 * @since 5.0 */function system ($command, &$return_var = null) {}

  // 注册自动加载机制    public static function register($autoload = ''){        // 注册系统自动加载        spl_autoload_register($autoload ?: 'think\Loader::autoload', true, true);        // 注册命名空间定义        self::addNamespace([            'think'    => LIB_PATH . 'think' . DS,            'behavior' => LIB_PATH . 'behavior' . DS,            'traits'   => LIB_PATH . 'traits' . DS,        ]);        // 加载类库映射文件        if (is_file(RUNTIME_PATH . 'classmap' . EXT)) {            self::addClassMap(__include_file(RUNTIME_PATH . 'classmap' . EXT));        }        // Composer自动加载支持        if (is_dir(VENDOR_PATH . 'composer')) {            self::registerComposerLoader();        }        // 自动加载extend目录        self::$fallbackDirsPsr4[] = rtrim(EXTEND_PATH, DS);    }

 /**     * 字符串命名风格转换     * type 0 将Java风格转换为C的风格 1 将C风格转换为Java的风格     * @param string  $name 字符串     * @param integer $type 转换类型     * @param bool    $ucfirst 首字母是否大写（驼峰规则）     * @return string     */    public static function parseName($name, $type = 0, $ucfirst = true){        if ($type) {            $name = preg_replace_callback('/_([a-zA-Z])/', function ($match) {                return strtoupper($match[1]);            }, $name);            return $ucfirst ? ucfirst($name) : lcfirst($name);        } else {            return strtolower(trim(preg_replace("/[A-Z]/", "_\0", $name), "_"));        }    }