ZEND_UNSET_OBJ 6133 Zend/zend_compile.c last_op->opcode = ZEND_UNSET_OBJ; ZEND_UNSET_OBJ 4045 Zend/zend_vm_def.h ZEND_VM_HANDLER(76, ZEND_UNSET_OBJ, VAR|UNUSED|CV, CONST|TMP|VAR|CV) ZEND_UNSET_OBJ 198 ext/opcache/Optimizer/zend_optimizer.c case ZEND_UNSET_OBJ: