我正在尝试安装 xdebug 但经过很多努力仍然无法安装，我已经尝试过这个https://medium.com/@roberto.b/how-to-install-xdebug-with-my-php- 7-on-my-macosx-f85dbac91e59和很多 stackoverflow 问题，但仍然没有，
我做错了什么，但无法弄清楚是什么，请对此提供任何帮助...这是我在 error.log 上得到的
[Sat Apr 07 19:21:35.785293 2018] [so:warn] [pid 28523] AH01574: module php7_module is already loaded, skipping
Failed loading /usr/lib/php/extensions/no-debug-non-zts-20160303/xdebug.so: dlopen(/usr/lib/php/extensions/no-debug-non-zts-20160303/xdebug.so, 9): Symbol not found: _zend_pass_function
Referenced from: /usr/lib/php/extensions/no-debug-non-zts-20160303/xdebug.so
Expected in: flat namespace
in /usr/lib/php/extensions/no-debug-non-zts-20160303/xdebug.so
Failed loading /usr/local/php5/lib/php/extensions/no-debug-non-zts-20170718/opcache.so: dlopen(/usr/local/php5/lib/php/extensions/no-debug-non-zts-20170718/opcache.so, 9): Symbol not found: _zend_empty_string
Referenced from: /usr/local/php5/lib/php/extensions/no-debug-non-zts-20170718/opcache.so
Expected in: flat namespace
in /usr/local/php5/lib/php/extensions/no-debug-non-zts-20170718/opcache.so
[Sat Apr 07 19:21:35.904894 2018] [mpm_prefork:notice] [pid 28523] AH00163: Apache/2.4.28 (Unix) PHP/7.0.2 configured -- resuming normal operations
[Sat …