#22: Enable date-formatting overrides, without PHP notices

README.txt

@@ -351,8 +351,10 @@ Changes in 3.3.3, 2019-12-23 (lat9)
 [BUGFIX]   Correct 'goods' value when the store doesn't display prices with tax (the tax was incorrectly being removed from the price).
 [BUGFIX]   Correct suggested CSV-download filename (didn't include the .csv extension).
 [BUGFIX]   Move admin-menu name to a language-based sub-directory.
+[CHANGE]   Enable date-format overrides (without throwing PHP notices).
 
 Modified:
+/YOUR_ADMIN/stats_sales_report.php
 /YOUR_ADMIN/includes/classes/sales_report.php
 /YOUR_ADMIN/includes/extra_datafiles/sales_report_filenames.php
 /YOUR_ADMIN/includes/functions/extra_functions/stats_sales_report.php

YOUR_ADMIN/stats_sales_report.php

@@ -43,10 +43,10 @@
 // given that that version has changed the loading order of admin language files.
 //
 $time_display = (strtolower(DATE_FORMAT) == 'd/m/y') ? 'n-j-Y' : 'jS-M-y';
-define('TIME_DISPLAY_DAY', $time_display);
-define('TIME_DISPLAY_WEEK', $time_display);
-define('TIME_DISPLAY_MONTH', $time_display);
-define('TIME_DISPLAY_YEAR', $time_display);
+if (!defined('TIME_DISPLAY_DAY')) define('TIME_DISPLAY_DAY', $time_display);
+if (!defined('TIME_DISPLAY_WEEK')) define('TIME_DISPLAY_WEEK', $time_display);
+if (!defined('TIME_DISPLAY_MONTH')) define('TIME_DISPLAY_MONTH', $time_display);
+if (!defined('TIME_DISPLAY_YEAR')) define('TIME_DISPLAY_YEAR', $time_display);
 
 // we ramp up the execution time to make sure those
 // really big reports don't time out