function to check for different values of NULL_DATE for backward compatibility

2016-09-21 17:16:54 -07:00 · 2016-09-21 17:16:54 -07:00 · 4e85bc66b8
commit 4e85bc66b8
parent d1c9701ccf
1 changed files with 7 additions and 0 deletions
--- a/include/datetime.php
+++ b/include/datetime.php
@ -24,6 +24,13 @@ function timezone_cmp($a, $b) {
 	return ( t($a) < t($b)) ? -1 : 1;
 }

+function is_null_date($s) {
+	if($s === '0000-00-00 00:00:00' || $s === '0001-01-01 00:00:00')
+		return true;
+	return false;
+}
+
+
 /**
 * @brief Return timezones grouped (primarily) by continent.
 *