ZEND_ATTRIBUTE_FORMAT  485 Zend/zend.h    ZEND_API void zend_output_debug_string(zend_bool trigger_break, char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
ZEND_ATTRIBUTE_FORMAT  537 Zend/zend.h    ZEND_API void zend_error(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
ZEND_ATTRIBUTE_FORMAT  231 main/php.h     #define PHP_ATTRIBUTE_FORMAT ZEND_ATTRIBUTE_FORMAT