Avoid rehashing of "packed" array

diff --git a/ext/standard/array.c b/ext/standard/array.c
index 363abfc771f8a407ddf73db0426238d16812f2c5..f7089579715439c0e12f53d72227f630b15db439 100644 (file)
--- a/ext/standard/array.c
+++ b/ext/standard/array.c
@@ -5753,7 +5753,7 @@ PHP_FUNCTION(array_multisort)
                hash->nNextFreeElement = array_size;
                if (repack) {
                        zend_hash_to_packed(hash);
-               } else {
+               } else if (!(HT_FLAGS(hash) & HASH_FLAG_PACKED)) {
                        zend_hash_rehash(hash);
                }
        }