Ticket #3047: get_plugininfo.diff

wp-includes/functions.php

@@ -1173 +1173 @@
         die();
 }
 
+/**
+ * Get information about a plugin
+ *
+ * Function called by plugins to get information about themselves.  Currently
+ * plugins can get the following information:
+ * 'base' To get the base directory the plugin is in, releative to the /plugins directory
+ * 'path' To get the absolute path to the plugins base directory
+ * 'url' To get the full URL to the plugin's base directory
+ * 'version' To get the version number for the plugin
+ * Returns FALSE if the information isn't set for the plugin.
+ *
+ * @param       string  $info   The information to get
+ * @return      mixed
+ */
+function get_plugininfo($info) {
+        global $pluginInfos;
+        $backtrace = debug_backtrace();
+        if (empty($backtrace[0])) {
+                return false;
+        }
+
+        $ds = DIRECTORY_SEPARATOR;
+        if ('\\' == $ds) {
+                $ds = '\\\\';
+        }
+        
+        // If there is no sub directory, use the plugin's filename instead
+        if (!preg_match('@wp-content' . $ds . 'plugins' . $ds . '(.*)' . $ds . '@U', $backtrace[0]['file'], $matches)) {
+                $plugin = basename($backtrace[0]['file']);
+        } else {
+                $plugin = $matches[1];
+        }
+
+        if (!isset($pluginInfos[$plugin][$info])) {
+                return false;
+        }
+        return $pluginInfos[$plugin][$info];
+}
+
+/**
+ * Adds information about a plugin to the $pluginsInfos global variable
+ *
+ * Function that is called prior to including the plugin, which fills up the
+ * $pluginInfos global variable with information about the plugin to be
+ * retrieved with the get_plugininfo() function.  Always returns TRUE.
+ *
+ * @param       string  $plugin The base name of the plugin file
+ * @return      bool
+ */
+function add_plugininfo($plugin) {
+        global $pluginInfos;
+        $dir_name = dirname($plugin);
+        
+        // If the plugin is in it's own sub directory, we'll use that directory
+        // name as the index for the $pluginInfos array.  Otherwise use the
+        // plugin file name.
+        if ($dir_name == '.') {
+                $dir_name = '';
+                $plugin_base = basename($plugin);
+        } else {
+                $plugin_base = $dir_name;
+        }
+        
+        $pluginInfos[$plugin_base]['base'] = $dir_name;
+        $pluginInfos[$plugin_base]['path'] = ABSPATH . 'wp-content/plugins/' . $dir_name;
+        $pluginInfos[$plugin_base]['url'] = get_bloginfo('wpurl') . '/wp-content/plugins/' . $dir_name;
+        preg_match('/version\s?:(.*)/i', file_get_contents(ABSPATH . 'wp-content/plugins/' . $plugin), $matches);
+        $pluginInfos[$plugin_base]['version'] = trim($matches[1]);
+        return true;
+}
 ?>

wp-settings.php

@@ -169 +169 @@
         if ( is_array($current_plugins) ) {
                 foreach ($current_plugins as $plugin) {
                         if ('' != $plugin && file_exists(ABSPATH . 'wp-content/plugins/' . $plugin))
+                                add_plugininfo($plugin);
                                 include_once(ABSPATH . 'wp-content/plugins/' . $plugin);
                 }
         }