diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 849ee474..283a9e06 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -3,11 +3,11 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2021 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * CHANGELOG.txt
- * @since  1.6.17
+ * @since  1.6.18
  */
 Changelog
 =========
@@ -20,6 +20,7 @@ Changelog
 [S] = Security fix (issues that are related to security)
 *********************************************
 
+2022-03-25 [M] Updates for PHP 8.1.x; remove use of strftime() {ron4mac}
 2022-02-02 [B] Handle failure to get image dimensions in thumb updater tool {ron4mac}
 2021-11-22 [B] Allow ratings from different logged in users regardless of IP address {ron4mac}
 2021-11-20 [M] Update third party (ZenPhoto maintained) exif reader {ron4mac}
diff --git a/db_ecard.php b/db_ecard.php
index 25153b55..ec767686 100644
--- a/db_ecard.php
+++ b/db_ecard.php
@@ -1,18 +1,15 @@
 <?php
-/*************************
-  Coppermine Photo Gallery
-  ************************
-  Copyright (c) 2003-2016 Coppermine Dev Team
-  v1.0 originally written by Gregory Demar
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License version 3
-  as published by the Free Software Foundation.
-
-  ********************************************
-  Coppermine version: 1.6.03
-  $HeadURL$
-**********************************************/
+/**
+ * Coppermine Photo Gallery
+ *
+ * v1.0 originally written by Gregory Demar
+ *
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
+ * @license    GNU General Public License version 3 or later; see LICENSE
+ *
+ * db_ecard.php
+ * @since  1.6.18
+ */
 
 define('IN_COPPERMINE', true);
 define('DB_ECARD_PHP', true);
@@ -333,7 +330,7 @@ function cpgGetUrlVars($exception)
 
 while ($line = $result->fetchAssoc()) {
 
-    $date = strftime($lang_date['lastcom'], $line['date']);
+    $date = date($lang_date['lastcom'], $line['date']);
     list($line['ip_detail']) = CPGPluginAPI::filter('ip_information', array('', $line['sender_ip']));
 
     echo <<< EOT
diff --git a/include/cpg16x.files.xml b/include/cpg16x.files.xml
index 32944830..5dfcf861 100644
--- a/include/cpg16x.files.xml
+++ b/include/cpg16x.files.xml
@@ -2,10 +2,10 @@
 <file_data>
 	<element>
 		<fullpath>CHANGELOG.txt</fullpath>
-		<version>1.6.17</version>
+		<version>1.6.18</version>
 		<status>optional</status>
 		<permission>read</permission>
-		<hash>8d101e6a987a5b8f02c4fea0b7bd1e15</hash>
+		<hash>faa52db17c8783811659c0ca8324b8ce</hash>
 	</element>
 	<element>
 		<fullpath>LICENSE.txt</fullpath>
@@ -291,10 +291,10 @@
 	</element>
 	<element>
 		<fullpath>db_ecard.php</fullpath>
-		<version>1.6.03</version>
+		<version>1.6.18</version>
 		<status>mandatory</status>
 		<permission>read</permission>
-		<hash>92d8b29f15ff9232e9a5304c8afa519b</hash>
+		<hash>356596aec52497c1b1719f49459a989e</hash>
 	</element>
 	<element>
 		<fullpath>db_input.php</fullpath>
@@ -5301,10 +5301,10 @@
 	</element>
 	<element>
 		<fullpath>include/debugger.inc.php</fullpath>
-		<version>1.6.03</version>
+		<version>1.6.18</version>
 		<status>mandatory</status>
 		<permission>read</permission>
-		<hash>3a61d1db4a78751d8455cb83a35a702a</hash>
+		<hash>081915a5b2bdae03108ae94565b367eb</hash>
 	</element>
 	<element>
 		<fullpath>include/exif.php</fullpath>
@@ -5322,10 +5322,10 @@
 	</element>
 	<element>
 		<fullpath>include/functions.inc.php</fullpath>
-		<version>1.6.14</version>
+		<version>1.6.18</version>
 		<status>mandatory</status>
 		<permission>read</permission>
-		<hash>5a115d5aadc473300a46cba32daf11e5</hash>
+		<hash>ed590c45811e32ab24bdf8058b7115c0</hash>
 	</element>
 	<element>
 		<fullpath>include/imageObjectGD.class.php</fullpath>
@@ -5371,10 +5371,10 @@
 	</element>
 	<element>
 		<fullpath>include/init.inc.php</fullpath>
-		<version>1.6.17</version>
+		<version>1.6.18</version>
 		<status>mandatory</status>
 		<permission>read</permission>
-		<hash>84b13a816343e59c45cc2e5f471b2dcf</hash>
+		<hash>bdfef470fcf63d0f51f8943c00a70eb7</hash>
 	</element>
 	<element>
 		<fullpath>include/inspekt.php</fullpath>
@@ -5450,10 +5450,10 @@
 	</element>
 	<element>
 		<fullpath>include/logger.inc.php</fullpath>
-		<version>1.6.16</version>
+		<version>1.6.18</version>
 		<status>mandatory</status>
 		<permission>read</permission>
-		<hash>46159918122f637fa0b43cfbd5964e76</hash>
+		<hash>f13ac527002944ba2a13a745de23ddea</hash>
 	</element>
 	<element>
 		<fullpath>include/mailer.inc.php</fullpath>
@@ -7193,31 +7193,31 @@
 	</element>
 	<element>
 		<fullpath>lang/english.php</fullpath>
-		<version>1.6.10</version>
+		<version>1.6.18</version>
 		<status>mandatory</status>
 		<permission>read</permission>
-		<hash>569142ad5d7d51446418c54c2a2fff3d</hash>
+		<hash>89a6ef29d3fb138b47632d2acb8d28b0</hash>
 	</element>
 	<element>
 		<fullpath>lang/estonian.php</fullpath>
-		<version>1.6.07</version>
+		<version>1.6.18</version>
 		<status>optional</status>
 		<permission>read</permission>
-		<hash>2ce7f4ec91554d049d98472fcce3e6db</hash>
+		<hash>c9fd32b00700e1429b0e8a6d87e1fcd7</hash>
 	</element>
 	<element>
 		<fullpath>lang/french.php</fullpath>
-		<version>1.6.06</version>
+		<version>1.6.18</version>
 		<status>optional</status>
 		<permission>read</permission>
-		<hash>69eae632c5121e8ae1b0080cca595622</hash>
+		<hash>66748b5d2d27cc8f2d52cdfd8fa198ea</hash>
 	</element>
 	<element>
 		<fullpath>lang/german.php</fullpath>
-		<version>1.6.06</version>
+		<version>1.6.18</version>
 		<status>optional</status>
 		<permission>read</permission>
-		<hash>768aa9269156e229308cfae7793aa588</hash>
+		<hash>0445d0e2cad89d65cd8bab24c755559c</hash>
 	</element>
 	<element>
 		<fullpath>lang_check.php</fullpath>
@@ -7991,10 +7991,10 @@
 	</element>
 	<element>
 		<fullpath>stat_details.php</fullpath>
-		<version>1.6.15</version>
+		<version>1.6.18</version>
 		<status>mandatory</status>
 		<permission>read</permission>
-		<hash>6813e9822aaa296ae2c0cd8cc0552def</hash>
+		<hash>e64b89cd4db2c2e9add0a0cde42e7f15</hash>
 	</element>
 	<element>
 		<fullpath>themes/</fullpath>
diff --git a/include/debugger.inc.php b/include/debugger.inc.php
index b4edee0e..2627391e 100644
--- a/include/debugger.inc.php
+++ b/include/debugger.inc.php
@@ -1,18 +1,15 @@
 <?php
-/*************************
-  Coppermine Photo Gallery
-  ************************
-  Copyright (c) 2003-2016 Coppermine Dev Team
-  v1.0 originally written by Gregory Demar
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License version 3
-  as published by the Free Software Foundation.
-
-  ********************************************
-  Coppermine version: 1.6.03
-  $HeadURL$
-**********************************************/
+/**
+ * Coppermine Photo Gallery
+ *
+ * v1.0 originally written by Gregory Demar
+ *
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
+ * @license    GNU General Public License version 3 or later; see LICENSE
+ *
+ * include/debugger.inc.php
+ * @since  1.6.18
+ */
 
 if (!defined('E_STRICT')) {
     define('E_STRICT', 2048); // PHP 5
@@ -42,7 +39,7 @@ function __construct($log = 'debug.log') {
 
     function start() {
         if (!$this->active) {
-            $this->report = false;
+            $this->report = [];
             if (CAN_MOD_INI) {
                 $this->old_display_level = ini_set('display_errors', 1);
                 $this->old_error_logging = ini_set('log_errors', 0);
@@ -75,7 +72,7 @@ function stop() {
 //                ini_set('error_log', $this->old_error_log);
             }
             $this->active = false;
-            return $this->report;
+            return $this->report ?: false;
         }
     }
 
diff --git a/include/functions.inc.php b/include/functions.inc.php
index 49fb8e6d..f9cf963c 100644
--- a/include/functions.inc.php
+++ b/include/functions.inc.php
@@ -4,11 +4,11 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2021 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * include/functions.inc.php
- * @since  1.6.14
+ * @since  1.6.18
  */
 
 if (!function_exists('stripos')) {
@@ -542,10 +542,13 @@ function localised_date($timestamp, $datefmt)
 
     $timestamp = localised_timestamp($timestamp);
 
-    $date = str_replace(array('%a', '%A'), $lang_day_of_week[(int)strftime('%w', $timestamp)], $datefmt);
-    $date = str_replace(array('%b', '%B'), $lang_month[(int)strftime('%m', $timestamp)-1], $date);
+	$dow = '\\' . implode('\\', str_split($lang_day_of_week[(int)date('w', $timestamp)]));
+    $frmt = str_replace(['l','D'], '+', $datefmt);
+    $mon = '\\' . implode('\\', str_split($lang_month[(int)date('m', $timestamp)-1]));
+    $frmt = str_replace(['M','F'], '=', $frmt);
+    $frmt = str_replace(['+','='], [$dow,$mon], $frmt);
 
-    return strftime($date, $timestamp);
+    return date($frmt, $timestamp);
 }
 
 /**
@@ -1382,7 +1385,7 @@ function get_pic_data($album, &$count, &$album_name, $limit1=-1, $limit2=-1, $se
         }
 
         $album_name    = $album_name_keyword['title'];
-        $album_keyword = addslashes($album_name_keyword['keyword']);
+        $album_keyword = $album_name_keyword['keyword'] ? addslashes($album_name_keyword['keyword']) : '';
 
         if (!empty($album_keyword)) {
             $keyword = "OR (keywords like '%$album_keyword%' $forbidden_set_string )";
@@ -2157,8 +2160,8 @@ function get_pic_pos($album, $pid)
         }
 
         $album_name_keyword = get_album_name($album);
-        //$album_name         = $album_name_keyword['title'];
-        $album_keyword      = addslashes($album_name_keyword['keyword']);
+        //$album_name = $album_name_keyword['title'];
+        $album_keyword = $album_name_keyword['keyword'] ? addslashes($album_name_keyword['keyword']) : '';
 
         if (!empty($album_keyword)) {
             $keyword = "OR (keywords like '%$album_keyword%' $forbidden_set_string )";
diff --git a/include/init.inc.php b/include/init.inc.php
index fe42d79e..91b45751 100644
--- a/include/init.inc.php
+++ b/include/init.inc.php
@@ -4,14 +4,14 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2021 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * include/init.inc.php
- * @since  1.6.17
+ * @since  1.6.18
  */
 
-define('COPPERMINE_VERSION', '1.6.17');
+define('COPPERMINE_VERSION', '1.6.18');
 define('COPPERMINE_VERSION_STATUS', 'stable');
 // Define path to jQuery for this version of Coppermine
 define('CPG_JQUERY_VERSION', 'js/jquery-1.12.4.js');
diff --git a/include/logger.inc.php b/include/logger.inc.php
index 15dbc4b6..8781f32a 100644
--- a/include/logger.inc.php
+++ b/include/logger.inc.php
@@ -4,11 +4,11 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2021 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * include/logger.inc.php
- * @since  1.6.16
+ * @since  1.6.18
  */
 defined('IN_COPPERMINE') or die('Not in Coppermine...');
 
@@ -52,7 +52,7 @@ function log_write($text, $log = null)
     }
 
     if (!isset($lang_date['log'])) {
-        $lang_date['log'] = '%Y-%m-%d %H:%M:%S';
+        $lang_date['log'] = 'Y-m-d H:i:s';
     }
 
     $fp = fopen($log, 'a');
diff --git a/lang/english.php b/lang/english.php
index 9c72f623..064e0a47 100644
--- a/lang/english.php
+++ b/lang/english.php
@@ -4,11 +4,11 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2021 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * lang/english.php
- * @since  1.6.10
+ * @since  1.6.18
  */
 
 if (!defined('IN_COPPERMINE')) die('Not in Coppermine...');
@@ -34,15 +34,15 @@
 $lang_month = array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
 
 // The various date formats
-// See http://www.php.net/manual/en/function.strftime.php to define the variable below
-$lang_date['album'] = '%B %d, %Y';
-$lang_date['lastcom'] = '%m/%d/%y at %H:%M';
-$lang_date['lastup'] = '%B %d, %Y';
-$lang_date['register'] = '%B %d, %Y';
-$lang_date['lasthit'] = '%B %d, %Y at %I:%M %p';
-$lang_date['comment'] = '%B %d, %Y at %I:%M %p';
-$lang_date['log'] = '%B %d, %Y at %I:%M %p';
-$lang_date['scientific'] = '%Y-%m-%d %H:%M:%S';
+// See https://www.php.net/manual/en/datetime.format.php to define the date format strings below
+$lang_date['album'] = 'F d, Y';
+$lang_date['lastcom'] = 'm/d/y at H:i';
+$lang_date['lastup'] = 'F d, Y';
+$lang_date['register'] = 'F d, Y';
+$lang_date['lasthit'] = 'F d, Y at h:i A';
+$lang_date['comment'] = 'F d, Y at h:i A';
+$lang_date['log'] = 'F d, Y at h:i A';
+$lang_date['scientific'] = 'Y-m-d H:i:s';
 
 // For the word censor
 $lang_bad_words = array('*fuck*', 'asshole', 'assramer', 'assrammer', 'bitch*', 'c0ck', 'clits', 'Cock', 'cum', 'cunt*', 'dago', 'daygo', 'dego', 'dick*', 'dildo', 'fanculo', 'feces', 'foreskin', 'Fu\(*', 'fuk*', 'honkey', 'hore', 'injun', 'kike', 'lesbo', 'masturbat*', 'motherfucker', 'nazis', 'nigger*', 'nutsack','penis', 'phuck', 'poop', 'pussy', 'scrotum', 'shit', 'slut', 'titties', 'titty', 'twaty', 'wank*', 'whore', 'wop*');
diff --git a/lang/estonian.php b/lang/estonian.php
index 00d221e8..cb71b31d 100644
--- a/lang/estonian.php
+++ b/lang/estonian.php
@@ -4,11 +4,11 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2018 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * lang/estonian.php
- * @since  1.6.07
+ * @since  1.6.18
  */
 
 if (!defined('IN_COPPERMINE')) die('Not in Coppermine...');
@@ -34,15 +34,15 @@
 $lang_month = array('jaan', 'veebr', 'märts', 'apr', 'mai', 'juuni', 'juuli', 'aug', 'sept', 'okt', 'nov', 'dets');
 
 // The various date formats
-// See http://www.php.net/manual/en/function.strftime.php to define the variable below
-$lang_date['album'] = '%B %d, %Y';
-$lang_date['lastcom'] = '%m/%d/%y kell %H:%M';
-$lang_date['lastup'] = '%B %d, %Y';
-$lang_date['register'] = '%B %d, %Y';
-$lang_date['lasthit'] = '%B %d, %Y kell %I:%M %p';
-$lang_date['comment'] = '%B %d, %Y kell %I:%M %p';
-$lang_date['log'] = '%B %d, %Y kell %I:%M %p';
-$lang_date['scientific'] = '%Y-%m-%d %H:%M:%S';
+// See https://www.php.net/manual/en/datetime.format.php to define the date format strings below
+$lang_date['album'] = 'F d, Y';
+$lang_date['lastcom'] = 'm/d/y \k\e\l\l H:i';
+$lang_date['lastup'] = 'F d, Y';
+$lang_date['register'] = 'F d, Y';
+$lang_date['lasthit'] = 'F d, Y \k\e\l\l h:i A';
+$lang_date['comment'] = 'F d, Y \k\e\l\l h:i A';
+$lang_date['log'] = 'F d, Y \k\e\l\l h:i A';
+$lang_date['scientific'] = 'Y-m-d H:i:s';
 
 // For the word censor
 $lang_bad_words = array('*fuck*', 'asshole', 'assramer', 'assrammer', 'bitch*', 'c0ck', 'clits', 'Cock', 'cum', 'cunt*', 'dago', 'daygo', 'dego', 'dick*', 'dildo', 'fanculo', 'feces', 'foreskin', 'Fu\(*', 'fuk*', 'honkey', 'hore', 'injun', 'kike', 'lesbo', 'masturbat*', 'motherfucker', 'nazis', 'nigger*', 'nutsack','penis', 'phuck', 'poop', 'pussy', 'scrotum', 'shit', 'slut', 'titties', 'titty', 'twaty', 'wank*', 'whore', 'wop*');
diff --git a/lang/french.php b/lang/french.php
index 70a6bb26..6ae3e0fb 100644
--- a/lang/french.php
+++ b/lang/french.php
@@ -4,11 +4,11 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2018 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * lang/french.php
- * @since  1.6.06
+ * @since  1.6.18
  */
 
 if (!defined('IN_COPPERMINE')) die('Not in Coppermine...');
@@ -34,15 +34,15 @@
 $lang_month = array('Janvier', 'Février', 'Mars', 'Avril', 'Mai', 'Juin', 'Juillet', 'Août', 'Septembre', 'Octobre', 'Novembre', 'Décembre');
 
 // The various date formats
-// See http://www.php.net/manual/en/function.strftime.php to define the variable below
-$lang_date['album'] = '%d %B %Y';
-$lang_date['lastcom'] = '%d/%m/%y à %H:%M';
-$lang_date['lastup'] = '%d %B %Y';
-$lang_date['register'] = '%d %B %Y';
-$lang_date['lasthit'] = '%a %d %B %Y à %H:%M';
-$lang_date['comment'] = '%a %d %B %Y à %H:%M';
-$lang_date['log'] = '%B %d, %Y at %I:%M %p';
-$lang_date['scientific'] = '%d-%m-%Y %H:%M:%S';
+// See https://www.php.net/manual/en/datetime.format.php to define the date format strings below
+$lang_date['album'] = 'd F Y';
+$lang_date['lastcom'] = 'd/m/y \à H:i';
+$lang_date['lastup'] = 'd F Y';
+$lang_date['register'] = 'd F Y';
+$lang_date['lasthit'] = 'D d F Y \à H:i';
+$lang_date['comment'] = 'D d F Y \à H:i';
+$lang_date['log'] = 'F d, Y \a\t h:i A';
+$lang_date['scientific'] = 'd-m-Y H:i:s';
 
 // For the word censor
 $lang_bad_words = array('merde', 'putain', 'enculé*', 'salope', 'bite', 'cul', 'pute', 'pénis', 'clito', 'couille', 'pétasse', 'connard', 'salaud');
diff --git a/lang/german.php b/lang/german.php
index 8aafe303..f7c680e9 100644
--- a/lang/german.php
+++ b/lang/german.php
@@ -4,11 +4,11 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2018 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * lang/german.php
- * @since  1.6.06
+ * @since  1.6.18
  */
 
 if (!defined('IN_COPPERMINE')) die('Not in Coppermine...');
@@ -34,15 +34,15 @@
 $lang_month = array('Januar', 'Februar', 'März', 'April', 'Mai', 'Juni', 'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember');
 
 // The various date formats
-// See http://www.php.net/manual/en/function.strftime.php to define the variable below
-$lang_date['album'] = '%d. %B %Y';
-$lang_date['lastcom'] = '%d.%m.%y um %H:%M';
-$lang_date['lastup'] = '%d. %B %Y';
-$lang_date['register'] = '%d. %B %Y';
-$lang_date['lasthit'] = '%d. %B %Y um %H:%M';
-$lang_date['comment'] = '%d. %B %Y um %H:%M';
-$lang_date['log'] = '%d. %B %Y um %H:%M';
-$lang_date['scientific'] = '%Y-%m-%d %H:%M:%S';
+// See https://www.php.net/manual/en/datetime.format.php to define the date format strings below
+$lang_date['album'] = 'd. F Y';
+$lang_date['lastcom'] = 'd.m.y \u\m H:i';
+$lang_date['lastup'] = 'd. F Y';
+$lang_date['register'] = 'd. F Y';
+$lang_date['lasthit'] = 'd. F Y \u\m H:i';
+$lang_date['comment'] = 'd. F Y \u\m H:i';
+$lang_date['log'] = 'd. F Y \u\m H:i';
+$lang_date['scientific'] = 'Y-m-d H:i:s';
 
 // For the word censor
 $lang_bad_words = array('*fuck*', 'Fu\(*', 'fuk*', 'masturbat*', 'motherfucker', 'nigger*', 'penis', 'pussy', 'shit', 'titties', 'titty',  'arsch*', 'fick*', 'fotze', 'votze', 'Sieg Heil', 'Heil Hitler', 'Nutte', 'Möse', 'Moese', 'Pimmel', 'Schwengel', 'Titte*', 'bums*', 'Scheiss*', 'Scheiß*');
diff --git a/stat_details.php b/stat_details.php
index 102b36ba..89ca6875 100644
--- a/stat_details.php
+++ b/stat_details.php
@@ -4,11 +4,11 @@
  *
  * v1.0 originally written by Gregory Demar
  *
- * @copyright  Copyright (c) 2003-2021 Coppermine Dev Team
+ * @copyright  Copyright (c) 2003-2022 Coppermine Dev Team
  * @license    GNU General Public License version 3 or later; see LICENSE
  *
  * stat_details.php
- * @since  1.6.15
+ * @since  1.6.18
  */
 
 // Todo list (stuff the hasn't been implemented yet):
@@ -117,14 +117,14 @@
             $date_display_fmt = $lang_date['log'];
         } elseif($get_date_display == 3) {
             $date_display = 3;
-            $date_display_fmt = '%Y-%m-%d %H:%M:%S';
+            $date_display_fmt = 'Y-m-d H:i:s';
         } else {
             $date_display = 4;
-            $date_display_fmt = '%Y-%m-%d';
+            $date_display_fmt = 'Y-m-d';
         }
     } else {
         $date_display = 4;
-        $date_display_fmt = '%Y-%m-%d';
+        $date_display_fmt = 'Y-m-d';
     }
 
     //if ($_GET['mode'] == 'fullscreen') {
@@ -460,7 +460,7 @@ function confirmDelete() {
               if ($loop_counter > 1) {
                   $loop_counter = 0;
               }
-              $row['sdate'] = strftime($date_display_fmt,localised_timestamp($row['sdate']));
+              $row['sdate'] = date($date_display_fmt,localised_timestamp($row['sdate']));
               $is_internal = '';
               $row['referer'] = rawurldecode($row['referer']);
               // is it an internal reference (most should be)?
@@ -558,11 +558,11 @@ function confirmDelete() {
   $date_display_2_selected = ($date_display == '2') ? 'selected="selected"' : '';
   $date_display_3_selected = ($date_display == '3') ? 'selected="selected"' : '';
   $date_display_4_selected = ($date_display == '4') ? 'selected="selected"' : '';
-  $localized_time[0] = strftime($lang_date['album'],localised_timestamp(time()));
-  $localized_time[1] = strftime($lang_date['lastcom'],localised_timestamp(time()));
-  $localized_time[2] = strftime($lang_date['log'],localised_timestamp(time()));
-  $localized_time[3] = strftime('%Y-%m-%d %H:%M:%S',localised_timestamp(time()));
-  $localized_time[4] = strftime('%Y-%m-%d',localised_timestamp(time()));
+  $localized_time[0] = date($lang_date['album'],localised_timestamp(time()));
+  $localized_time[1] = date($lang_date['lastcom'],localised_timestamp(time()));
+  $localized_time[2] = date($lang_date['log'],localised_timestamp(time()));
+  $localized_time[3] = date('Y-m-d H:i:s',localised_timestamp(time()));
+  $localized_time[4] = date('Y-m-d',localised_timestamp(time()));
   foreach ($amount_allowed as $key) {
   }
   print <<< EOT