From: Ilia Alshanetsky <iliaa@php.net>
Date: Wed, 5 Jan 2011 04:13:23 +0000 (+0000)
Subject: Optimize unix timestamp to date-string conversion for very high year values
X-Git-Tag: php-5.3.6RC1~156
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=02bdb521e2137509bc5a2e6abd4e31e9f14d22bc;p=php

Optimize unix timestamp to date-string conversion for very high year values
---

diff --git a/ext/date/lib/unixtime2tm.c b/ext/date/lib/unixtime2tm.c
index 8dc852a6ed..871fa2f5e5 100644
--- a/ext/date/lib/unixtime2tm.c
+++ b/ext/date/lib/unixtime2tm.c
@@ -55,6 +55,12 @@ void timelib_unixtime2gmt(timelib_time* tm, timelib_sll ts)
 
 	if (ts >= 0) {
 		tmp_days = days + 1;
+
+		if (tmp_days >= DAYS_PER_LYEAR_PERIOD || tmp_days <= -DAYS_PER_LYEAR_PERIOD) {
+			cur_year += YEARS_PER_LYEAR_PERIOD * (tmp_days / DAYS_PER_LYEAR_PERIOD);
+			tmp_days -= DAYS_PER_LYEAR_PERIOD * (tmp_days / DAYS_PER_LYEAR_PERIOD);
+		}
+
 		while (tmp_days >= DAYS_PER_LYEAR) {
 			cur_year++;
 			if (timelib_is_leap(cur_year)) {