zend_ce_ 544 Zend/zend_interfaces.c zend_ce_ ## class_name = zend_register_internal_interface(&ce TSRMLS_CC);\ zend_ce_ 545 Zend/zend_interfaces.c zend_ce_ ## class_name->interface_gets_implemented = zend_implement_ ## class_name;\ zend_ce_ 549 Zend/zend_interfaces.c zend_class_implements(zend_ce_ ## class_name TSRMLS_CC, 1, zend_ce_ ## interface_name)