Ticket #33397: 33397.3.patch

src/wp-includes/default-constants.php

@@ -95 +95 @@
         // Constants for features added to WP that should short-circuit their plugin implementations
         define( 'WP_FEATURE_BETTER_PASSWORDS', true );
 
-        // Constants for expressing human-readable intervals
-        // in their respective number of seconds.
+        /**
+         * Constants for expressing human-readable intervals
+         * in their respective number of seconds.
+         *
+         * Please note that these values are approximate and are provided for convenience.
+         * For example, MONTH_IN_SECONDS wrongly assumes every month has 30 days.
+         *
+         * If you need more accuracy please consider using the DateTime class (http://php.net/manual/class.datetime.php).
+         */
         define( 'MINUTE_IN_SECONDS', 60 );
         define( 'HOUR_IN_SECONDS',   60 * MINUTE_IN_SECONDS );
         define( 'DAY_IN_SECONDS',    24 * HOUR_IN_SECONDS   );
         define( 'WEEK_IN_SECONDS',    7 * DAY_IN_SECONDS    );
+        define( 'MONTH_IN_DAYS',     30 * DAY_IN_SECONDS    );
         define( 'YEAR_IN_SECONDS',  365 * DAY_IN_SECONDS    );
 }