sample_prof_handler.c

		zend_execute_data *ex = EG(current_execute_data), *start_ex = ex;
		zend_function *func;
		zend_op *opline;

		if (!ex) {
			continue;
		}

fetch_loop:
		{
			zend_execute_data *prev = ex->prev_execute_data;
			func = ex->func;
			opline = ex->opline;

			if (start_ex != EG(current_execute_data) || !func) {
				continue;
			}

			if (!ZEND_USER_CODE(func->type)) {
				ex = prev;
				if (prev) {
					goto fetch_loop;
				}
				continue;
			} else if (!opline) {
				continue;
			}
		}

		g->entries[g->entries_num].filename = func->op_array.filename;
		g->entries[g->entries_num].lineno = opline->lineno;