zend_do_implement_interface 2554 Zend/zend_API.c zend_do_implement_interface(class_entry, interface_entry TSRMLS_CC); zend_do_implement_interface 4955 Zend/zend_vm_def.h zend_do_implement_interface(ce, iface TSRMLS_CC); zend_do_implement_interface 1502 Zend/zend_vm_execute.h zend_do_implement_interface(ce, iface TSRMLS_CC);