diff options
| -rw-r--r-- | ext/calendar/calendar.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/ext/calendar/calendar.c b/ext/calendar/calendar.c index acf0d843c9..a8a4eb5262 100644 --- a/ext/calendar/calendar.c +++ b/ext/calendar/calendar.c @@ -246,6 +246,11 @@ PHP_FUNCTION(cal_days_in_month) sdn_start = calendar->to_jd(year, month, 1); + if (sdn_start == 0) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid date."); + RETURN_FALSE; + } + sdn_next = calendar->to_jd(year, 1 + month, 1); if (sdn_next == 0) { |