Changeset 8585 for trunk/wp-admin/includes/plugin.php

Timestamp:

08/07/2008 11:39:27 PM (16 years ago)

Author:

ryan

Message:

Plugin uninstall hooks from santosj. fixes #5625

File:

• trunk/wp-admin/includes/plugin.php (modified) (3 diffs)

trunk/wp-admin/includes/plugin.php

@@ -158 +158 @@
 }
 
-function is_plugin_active($plugin){
+/**
+ * Check whether the plugin is active by checking the active_plugins list.
+ *
+ * @since 2.5.0
+ *
+ * @param string $plugin Base plugin path from plugins directory.
+ * @return bool True, if in the active plugins list. False, not in the list.
+ */
+function is_plugin_active($plugin) {
     return in_array($plugin, get_option('active_plugins'));
 }
@@ -278 +286 @@
 
     foreach( $plugins as $plugin_file ) {
+        // Run Uninstall hook
+        if ( is_uninstallable_plugin( $plugin_file ) )
+            uninstall_plugin($plugin_file);
+
         $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin_file) );
         // If plugin is in its own directory, recursively delete the directory.
@@ -327 +339 @@
 
     return 0;
+}
+
+/**
+ * Whether the plugin can be uninstalled.
+ *
+ * @since {@internal Version Unknown}}
+ *
+ * @param string $plugin Plugin path to check.
+ * @return bool Whether plugin can be uninstalled.
+ */
+function is_uninstallable_plugin($plugin) {
+    $file = plugin_basename($plugin);
+
+    $uninstallable_plugins = (array) get_option('uninstall_plugins');
+    if ( isset( $uninstallable_plugins[$file] ) || file_exists( WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php' ) )
+        return true;
+
+    return false;
+}
+
+/**
+ * Uninstall a single plugin.
+ *
+ * Calls the uninstall hook, if it is available.
+ *
+ * @param string $plugin Relative plugin path from Plugin Directory.
+ */
+function uninstall_plugin($plugin) {
+    $file = plugin_basename($plugin);
+
+    $uninstallable_plugins = (array) get_option('uninstall_plugins');
+    if ( file_exists( WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php' ) ) {
+        if ( isset( $uninstallable_plugins[$file] ) ) {
+            unset($uninstallable_plugins[$file]);
+            update_option('uninstall_plugins', $uninstallable_plugins);
+        }
+        unset($uninstallable_plugins);
+
+        define('WP_UNINSTALL_PLUGIN', $file);
+        include WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php';
+
+        return true;
+    }
+
+    if ( isset( $uninstallable_plugins[$file] ) ) {
+        $callable = $uninstallable_plugins[$file];
+        unset($uninstallable_plugins[$file]);
+        update_option('uninstall_plugins', $uninstallable_plugins);
+        unset($uninstallable_plugins);
+
+        include WP_PLUGIN_DIR . '/' . $file;
+
+        add_action( 'uninstall_' . $file, $callable );
+        do_action( 'uninstall_' . $file );
+    }
 }