diff options
Diffstat (limited to 'ext/standard/datetime.c')
| -rw-r--r-- | ext/standard/datetime.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/standard/datetime.c b/ext/standard/datetime.c index 30f0aa7778..d3da443f9b 100644 --- a/ext/standard/datetime.c +++ b/ext/standard/datetime.c @@ -664,6 +664,9 @@ void _php_strftime(INTERNAL_FUNCTION_PARAMETERS, int gm) if ((*format_arg)->value.str.len==0) { RETURN_FALSE; } + if (timestamp < 0) { + RETURN_FALSE; + } format = (*format_arg)->value.str.val; if (gm) { ta = php_gmtime_r(×tamp, &tmbuf); |