refactor(frankenlog): rework func params type

Currently, franken.gp:705 won't compile

Author: burgesQ

frankenphp.c

@@ -550,20 +550,19 @@ PHP_FUNCTION(mercure_publish) {
 }
 
 PHP_FUNCTION(frankenphp_log) {
-  char *message = NULL;
-  size_t message_len = 0;
+  zend_string *message = NULL;
   zend_long level = 0;
   zval *context = NULL;
 
   ZEND_PARSE_PARAMETERS_START(2, 3)
-  Z_PARAM_STRING(message, message_len)
+  Z_PARAM_STR(message)
   Z_PARAM_LONG(level)
   Z_PARAM_OPTIONAL
   Z_PARAM_ARRAY(context)
   ZEND_PARSE_PARAMETERS_END();
 
   char *ret = NULL;
-  ret = go_log_attrs(thread_index, message, message_len, (int)level, context);
+  ret = go_log_attrs(thread_index, message, level, context);
   if (ret != NULL) {
     zend_throw_exception(spl_ce_RuntimeException, ret, 0);
     free(ret);

frankenphp.go

@@ -694,7 +694,7 @@ func go_log(threadIndex C.uintptr_t, message *C.char, level C.int) {
 }
 
 //export go_log_attrs
-func go_log_attrs(threadIndex C.uintptr_t, message *C.char, len C.int, level C.int, cattrs *C.zval) *C.char {
+func go_log_attrs(threadIndex C.uintptr_t, message *C.zend_string, level C.zend_long, cattrs *C.zval) *C.char {
 	var attrs map[string]any
 
 	if cattrs == nil {
@@ -707,13 +707,13 @@ func go_log_attrs(threadIndex C.uintptr_t, message *C.char, len C.int, level C.i
 		}
 	}
 
-	m := C.GoStringN(message, len)
-	lvl := slog.Level(level)
-
 	ctx := phpThreads[threadIndex].context()
 
-	if globalLogger.Enabled(ctx, lvl) {
-		globalLogger.LogAttrs(ctx, lvl, m, mapToAttr(attrs)...)
+	if globalLogger.Enabled(ctx, slog.Level(level)) {
+		globalLogger.LogAttrs(ctx,
+			slog.Level(level),
+			GoString(unsafe.Pointer(message)),
+			mapToAttr(attrs)...)
 	}
 
 	return nil