check function_exists first

newfold-labs · May 21, 2024 · 08f3180 · 08f3180
1 parent 00058b5
commit 08f3180
Showing 1 changed file with 8 additions and 6 deletions.
diff --git a/bootstrap.php b/bootstrap.php
@@ -2,11 +2,13 @@
 
 namespace NewfoldLabs\WP\Module\Performance;
 
-add_filter( 
-    'newfold/features/filter/register', 
-    function( $features ) { 
-        return array_merge( $features, array( PerformanceFeature::class ) );
-    }
-);
+if ( function_exists( 'add_filter' ) ) {
+    add_filter( 
+        'newfold/features/filter/register', 
+        function( $features ) { 
+            return array_merge( $features, array( PerformanceFeature::class ) );
+        }
+    );
+}
 
 new PerformanceFeatureHooks();