Fixed snappy warnings (#760)

flow-php · Nov 7, 2023 · 34d6be4 · 34d6be4
1 parent f9aac0a
commit 34d6be4
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/src/lib/snappy/src/Flow/Snappy/SnappyCompressor.php b/src/lib/snappy/src/Flow/Snappy/SnappyCompressor.php
@@ -218,6 +218,22 @@ private function hashFunc(int $key, int $hashFuncShift) : int
 
     private function load32(array $array, int $pos) : int
     {
+        if (!isset($array[$pos + 3])) {
+            return $array[$pos] + ($array[$pos + 1] << 8) + ($array[$pos + 2] << 16);
+        }
+
+        if (!isset($array[$pos + 2])) {
+            return $array[$pos] + ($array[$pos + 1] << 8);
+        }
+
+        if (!isset($array[$pos + 1])) {
+            return $array[$pos];
+        }
+
+        if (!isset($array[$pos])) {
+            return 0;
+        }
+
         return $array[$pos] + ($array[$pos + 1] << 8) + ($array[$pos + 2] << 16) + ($array[$pos + 3] << 24);
     }