Ticket #43882: 43882.diff

src/wp-settings.php

@@ -304 +304 @@
 // Load active plugins.
 foreach ( wp_get_active_and_valid_plugins() as $plugin ) {
         wp_register_plugin_realpath( $plugin );
-        include_once( $plugin );
+
+        // Pre action to allow for timing hooks to be set, debugging information to
+        // be initialized, etc...
+        // Can also allow for the loading to be skipped.
+        $should_load = apply_filters( 'pre_plugin_loaded', $plugin );
+
+        // Actually load the plugin if this is still requested.
+        $should_load && include_once( $plugin );
+
+        // Post action to catch timings, debugging state, etc...
+        do_action( 'post_plugin_loaded', $plugin );
+
+        // Singular plugin load action that fires for each individual plugin.
+        do_action( 'plugin_loaded', $plugin );
+
+        // Named action to make behavior of plugins dependent on the loading of
+        // other plugins.
+        $plugin_slug = basename( $plugin, '.php' );
+        do_action( "plugin_loaded_{$plugin_slug}", $plugin );
 }
 unset( $plugin );