X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FDateTimeFormat.php;h=e293857acdd14a937fbc45b19bffe31fc4aecfce;hb=596b934a02320eb889998ea56168ac1b60adf7ce;hp=10810da0342798193361093624edf4b5f4e9ff6e;hpb=9b37f5c0855c8071075fa3ce49b7e9c38f2c6a2e;p=friendica.git

diff --git a/src/Util/DateTimeFormat.php b/src/Util/DateTimeFormat.php
index 10810da034..e293857acd 100644
--- a/src/Util/DateTimeFormat.php
+++ b/src/Util/DateTimeFormat.php
@@ -90,12 +90,12 @@ class DateTimeFormat
 	{
 		// Defaults to UTC if nothing is set, but throws an exception if set to empty string.
 		// Provide some sane defaults regardless.
-		if ($from === '') {
-			$from = 'UTC';
+		if ($tz_from === '') {
+			$tz_from = 'UTC';
 		}
 
-		if ($to === '') {
-			$to = 'UTC';
+		if ($tz_to === '') {
+			$tz_to = 'UTC';
 		}
 
 		if (($s === '') || (!is_string($s))) {
@@ -109,6 +109,9 @@ class DateTimeFormat
 		 * months and days always start with 1.
 		 */
 		if (substr($s, 0, 10) <= '0001-01-01') {
+			if ($s < '0000-00-00') {
+				$s = '0000-00-00';
+			}
 			$d = new DateTime($s . ' + 32 days', new DateTimeZone('UTC'));
 			return str_replace('1', '0', $d->format($format));
 		}
@@ -122,7 +125,7 @@ class DateTimeFormat
 		try {
 			$d = new DateTime($s, $from_obj);
 		} catch (Exception $e) {
-			logger('datetime_convert: exception: ' . $e->getMessage());
+			logger('DateTimeFormat::convert: exception: ' . $e->getMessage());
 			$d = new DateTime('now', $from_obj);
 		}