devMode global varibale

Resolves #4038
craftcms · Mar 25, 2019 · b4eb782 · b4eb782
1 parent a24d0db
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diff --git a/CHANGELOG-v3.md b/CHANGELOG-v3.md
@@ -5,6 +5,7 @@
 ### Added
 - Added the `verifyEmailSuccessPath` config setting.
 - Added the “Max Length” setting for URL fields. ([#4019](https://github.com/craftcms/cms/issues/4019))
+- Added the `devMode` global Twig variable. ([#4038](https://github.com/craftcms/cms/issues/4038))
 - Added `craft\config\GeneralConfig::getVerifyEmailSuccessPath()`.
 
 ### Changed

diff --git a/docs/dev/global-variables.md b/docs/dev/global-variables.md
@@ -50,6 +50,16 @@ The currently-logged-in user, represented by a <api:craft\elements\User> object,
 {% endif %}
 ```
 
+## `devMode`
+
+Whether the <config:devMode> config setting is currently enabled.
+
+```twig
+{% if devMode %}
+    Craft is running in dev mode.
+{% endif %}
+```
+
 ## `loginUrl`
 
 The URL to your site’s login page, based on the <config:loginPath> config setting.

diff --git a/src/templates/_layouts/cp.html b/src/templates/_layouts/cp.html
@@ -74,7 +74,7 @@
 {% block body %}
     <div id="global-container">
         <header id="global-sidebar" class="sidebar">
-            {% if currentUser.admin and craft.app.config.general.devMode %}
+            {% if currentUser.admin and devMode %}
                 <div id="devmode" title="{{ 'Craft CMS is running in Dev Mode.'|t('app') }}"></div>
             {% endif %}
 

diff --git a/src/web/twig/Extension.php b/src/web/twig/Extension.php
@@ -985,6 +985,7 @@ public function getGlobals(): array
         $globals = [
             'view' => $this->view,
 
+            'devMode' => YII_DEBUG,
             'SORT_ASC' => SORT_ASC,
             'SORT_DESC' => SORT_DESC,
             'SORT_REGULAR' => SORT_REGULAR,