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-rw-r--r--ext/standard/string.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/standard/string.c b/ext/standard/string.c
index 7c456c41ee..11b8c417b4 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -3017,6 +3017,7 @@ static void php_strtr_array(zval *return_value, zend_string *input, HashTable *p
} else {
len = ZSTR_LEN(str_key);
if (UNEXPECTED(len < 1)) {
+ efree(num_bitset);
RETURN_FALSE;
} else if (UNEXPECTED(len > slen)) {
/* skip long patterns */