bring the Logger deprecated method forward from 2.3 (#2225)

monkeyiq · web-flow · commit 6bf7bc575b7d · 2024-08-31T09:06:01.000+10:00
diff --git a/src/SimpleSAML/Logger.php b/src/SimpleSAML/Logger.php
@@ -228,6 +228,15 @@ public static function warning(string $string): void
         self::log(self::WARNING, $string);
     }
 
+    /**
+     * Log a warning about deprecated code.
+     *
+     * @param string $string The message to log.
+     */
+    public static function deprecated(string $string): void
+    {
+        self::log(self::WARNING, 'DEPRECATION WARNING: ' . $string);
+    }
 
     /**
      * We reserve the notice level for statistics, so do not use this level for other kind of log messages.
