barryvdh/laravel-ide-helper

Question

/Applications/MAMP/bin/php/php7.0.8/bin/php /usr/local/bin/composer require barryvdh/laravel-ide-helper:2.2-dev -n --no-progress

PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/extensions/no-debug-non-zts-20131226/php_mysql.dll' - dlopen(/usr/lib/php/extensions/no-debug-non-zts-20131226/php_mysql.dll, 9): image not found in Unknown on line 0

                                                                    

  [Seld\JsonLint\ParsingException]                                  

  "./composer.json" does not contain valid JSON                     

  Parse error on line 9:                                            

  ...ork": "5.3.*",    },    "require-de                            

  --------------------^                                             

  Expected: 'STRING' - It appears you have an extra trailing comma  

安装barryvdh/laravel-ide-helper 的时候报这儿错误..