Move ZVAL_DEREF to php_array_fetch

Author: GromNaN

src/MongoDB/Query.c

@@ -58,7 +58,6 @@ static bool php_phongo_query_opts_append_document(bson_t* opts, const char* opts
 	zval*  value = php_array_fetch(zarr, zarr_key);
 	bson_t b     = BSON_INITIALIZER;
 
-	ZVAL_DEREF(value);
 	if (Z_TYPE_P(value) != IS_OBJECT && Z_TYPE_P(value) != IS_ARRAY) {
 		phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"%s\" %s to be array or object, %s given", zarr_key, zarr_key[0] == '$' ? "modifier" : "option", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(value));
 		return false;

src/contrib/php_array_api.h

@@ -188,7 +188,12 @@ zval *php_array_fetchl(zval *zarr, const char *key, int key_len) {
 }
 static inline
 zval *php_array_fetch(zval *zarr, const char *key) {
-	return php_array_fetchl(zarr, key, strlen(key));
+	zval *ret = php_array_fetchl(zarr, key, strlen(key));
+	if (ret) {
+		ZVAL_DEREF(ret);
+	}
+
+	return ret;
 }
 #define php_array_fetchc(zarr, litstr) php_array_fetchl(zarr, litstr, sizeof(litstr)-1)
 static inline