zend_do_implement_interface 2568 Zend/zend_API.c 		zend_do_implement_interface(class_entry, interface_entry TSRMLS_CC);
zend_do_implement_interface 5164 Zend/zend_vm_def.h 	zend_do_implement_interface(ce, iface TSRMLS_CC);
zend_do_implement_interface 1729 Zend/zend_vm_execute.h 	zend_do_implement_interface(ce, iface TSRMLS_CC);