Ticket #17787: plugins-filters.2.patch

wp-admin/includes/plugin.php

@@ -255 +255 @@
 
         if ( empty($plugin_files) )
                 return $wp_plugins;
+                
+        // filter these with a function name similar filter
+        $plugin_files = apply_filters('get_plugins_files', $plugin_files); // [HACK]
 
         foreach ( $plugin_files as $plugin_file ) {
                 if ( !is_readable( "$plugin_root/$plugin_file" ) )
@@ -273 +276 @@
         $cache_plugins[ $plugin_folder ] = $wp_plugins;
         wp_cache_set('plugins', $cache_plugins, 'plugins');
 
-        return $wp_plugins;
+        // filter these with a function name similar filter
+        return apply_filters('get_plugins', $wp_plugins);
 }
 
 /**

wp-includes/load.php

@@ -455 +455 @@
         closedir( $dh );
         sort( $mu_plugins );
 
-        return $mu_plugins;
+        // filter these with a function name similar filter
+        return apply_filters('get_mu_plugins', $mu_plugins);
 }
 
 /**
@@ -484 +485 @@
 
         $network_plugins = is_multisite() ? wp_get_active_network_plugins() : false;
 
+        // filter these with a function name similar filter
+        $active_plugins = apply_filters('active_and_valid_plugins', $plugins);
+        
         foreach ( $active_plugins as $plugin ) {
                 if ( ! validate_file( $plugin ) // $plugin must validate as file
                         && '.php' == substr( $plugin, -4 ) // $plugin must end with '.php'
@@ -493 +497 @@
                         )
                 $plugins[] = WP_PLUGIN_DIR . '/' . $plugin;
         }
-        return $plugins;
+
+        // filter these with a function name similar filter
+        return apply_filters('get_active_and_valid_plugins', $plugins);
 }
 
 /**

wp-includes/ms-load.php

@@ -45 +45 @@
         $active_plugins = array_keys( $active_plugins );
         sort( $active_plugins );
 
+        // filter these with a function name similar filter
+        $active_plugins = apply_filters('active_network_plugins', $active_plugins);
+        
         foreach ( $active_plugins as $plugin ) {
                 if ( ! validate_file( $plugin ) // $plugin must validate as file
                         && '.php' == substr( $plugin, -4 ) // $plugin must end with '.php'
@@ -52 +55 @@
                         )
                 $plugins[] = WP_PLUGIN_DIR . '/' . $plugin;
         }
-        return $plugins;
+
+        // filter these with a function name similar filter
+        return apply_filters('get_active_network_plugins', $plugins);
 }
 
 /**

wp-settings.php

@@ -149 +149 @@
 // Define must-use plugin directory constants, which may be overridden in the sunrise.php drop-in.
 wp_plugin_directory_constants( );
 
+// Attempt to load wp-plugins.php from ABSPATH or ABSPATH's parent.
+// This allows those who manage WordPress to tweak MU plugins before loaded.
+// Combining this with wp-config.php outisde ABSPATH, a multi instance
+// WordPress environment can be created.
+if(is_file(ABSPATH.'/wp-plugins.php')) require_once(ABSPATH.'/wp-plugins.php');
+else if(is_file(ABSPATH.'/../wp-plugins.php')) require_once(ABSPATH.'/../wp-plugins.php');
+
 // Load must-use plugins.
 foreach ( wp_get_mu_plugins() as $mu_plugin ) {
         include_once( $mu_plugin );