PHP_5_5_API_NO   2210 ext/opcache/ZendAccelerator.c #if ZEND_EXTENSION_API_NO <= PHP_5_5_API_NO
PHP_5_5_API_NO    244 ext/opcache/zend_accelerator_util_funcs.c #if ZEND_EXTENSION_API_NO <= PHP_5_5_API_NO
PHP_5_5_API_NO    304 ext/opcache/zend_accelerator_util_funcs.c #if ZEND_EXTENSION_API_NO <= PHP_5_5_API_NO
PHP_5_5_API_NO    428 ext/opcache/zend_accelerator_util_funcs.c #if ZEND_EXTENSION_API_NO <= PHP_5_5_API_NO
PHP_5_5_API_NO    177 ext/opcache/zend_persist.c #if ZEND_EXTENSION_API_NO <= PHP_5_5_API_NO
PHP_5_5_API_NO    132 ext/opcache/zend_persist_calc.c #if ZEND_EXTENSION_API_NO <= PHP_5_5_API_NO
PHP_5_5_API_NO    186 sapi/phpdbg/phpdbg_opcode.c #if ZEND_EXTENSION_API_NO <= PHP_5_5_API_NO