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-rw-r--r--ext/standard/array.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/standard/array.c b/ext/standard/array.c
index 5e5fa73cd7..864802ea53 100644
--- a/ext/standard/array.c
+++ b/ext/standard/array.c
@@ -2865,7 +2865,7 @@ PHP_FUNCTION(array_change_key_case)
zend_hash_index_update(Z_ARRVAL_P(return_value), num_key, entry);
break;
case HASH_KEY_IS_STRING:
- new_key = STR_DUP(string_key, 0);
+ new_key = STR_INIT(string_key->val, string_key->len, 0);
if (change_to_upper) {
php_strtoupper(new_key->val, new_key->len);
} else {