additional_modules 2004 main/main.c int php_module_startup(sapi_module_struct *sf, zend_module_entry *additional_modules, uint num_additional_modules) additional_modules 2200 main/main.c php_register_extensions_bc(additional_modules, num_additional_modules); additional_modules 33 main/php_main.h PHPAPI int php_module_startup(sapi_module_struct *sf, zend_module_entry *additional_modules, uint num_additional_modules);