Mac os X PHP56 ApcU via Brew - Symbol not found: _zend_signal_globals
问题 When trying to install APCu via brew I get the error PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/opt/php56-apcu/apcu.so' - dlopen(/usr/local/opt/php56-apcu/apcu.so, 9): Symbol not found: _zend_signal_globals Referenced from: /usr/local/opt/php56-apcu/apcu.so Expected in: flat namespace in /usr/local/opt/php56-apcu/apcu.so in Unknown on line 0 This occurs no matter how I install APCu brew install php56-apcu brew install --build-from-source php56-apcu brew install php56