fix datatype mismatch

diff --git a/Zend/zend_hash.c b/Zend/zend_hash.c
index 6644746776256372ee29768a1ccd97fa16ece660..6dc0941c6f6f6c70cb4945ff75580794aa33a007 100644 (file)
--- a/Zend/zend_hash.c
+++ b/Zend/zend_hash.c
@@ -1760,11 +1760,12 @@ ZEND_API int zend_hash_compare(HashTable *ht1, HashTable *ht2, compare_func_t co
                                        return result;
                                }
                        } else { /* string indices */
-                               result = (p1->key ? p1->key->len : 0) - (p2->key ? p2->key->len : 0);
-                               if (result != 0) {
+                               size_t len0 = (p1->key ? p1->key->len : 0);
+                               size_t len1 = (p2->key ? p2->key->len : 0);
+                               if (len0 != len1) {
                                        HASH_UNPROTECT_RECURSION(ht1); 
                                        HASH_UNPROTECT_RECURSION(ht2); 
-                                       return result;
+                                       return len0 > len1 ? 1 : -1;
                                }
                                result = memcmp(p1->key->val, p2->key->val, p1->key->len);
                                if (result != 0) {