Merge "docs: Factor out MWDoxygenFilter from mwdoc-filter.php with tests"

[lhc/web/wiklou.git] / includes / debug / MWDebug.php

diff --git a/includes/debug/MWDebug.php b/includes/debug/MWDebug.php
index e877836..6bcb0e6 100644 (file)
--- a/includes/debug/MWDebug.php
+++ b/includes/debug/MWDebug.php
@@ -67,6 +67,30 @@ class MWDebug {
         */
        protected static $deprecationWarnings = [];
 
+       /**
+        * @internal For use by Setup.php only.
+        */
+       public static function setup() {
+               global $wgDebugToolbar,
+                       $wgUseCdn, $wgUseFileCache, $wgCommandLineMode;
+
+               if (
+                       // Easy to forget to falsify $wgDebugToolbar for static caches.
+                       // If file cache or CDN cache is on, just disable this (DWIMD).
+                       $wgUseCdn ||
+                       $wgUseFileCache ||
+                       // Keep MWDebug off on CLI. This prevents MWDebug from eating up
+                       // all the memory for logging SQL queries in maintenance scripts.
+                       $wgCommandLineMode
+               ) {
+                       return;
+               }
+
+               if ( $wgDebugToolbar ) {
+                       self::init();
+               }
+       }
+
        /**
         * Enabled the debugger and load resource module.
         * This is called by Setup.php when $wgDebugToolbar is true.