Ticket #16953: symlinked_plugins-2.diff

public_html/wp-includes/plugin.php

@@ -563 +563 @@
  * @uses WP_PLUGIN_DIR
  */
 function plugin_basename($file) {
+  $symlinked_plugins = get_option( 'symlinked_plugins' );
+  if ( isset( $symlinked_plugins[$file] ) )
+    $file = $symlinked_plugins[$file];
         $file = str_replace('\\','/',$file); // sanitize for Win32 installs
         $file = preg_replace('|/+|','/', $file); // remove any duplicate slash
         $plugin_dir = str_replace('\\','/',WP_PLUGIN_DIR); // sanitize for Win32 installs
@@ -787 +790 @@
                 return $function[0].$function[1];
         }
 }
+
+/**
+ * Stores array of symlinked plugins upon update of 'active_plugins' into 'symlinked_plugins' option.
+ *
+ * The array stored for 'symlinked_plugins' will be in the following form assuming that $plugin_virtual_path contains
+ * an array of full virtual plugin paths where each is in the form WP_PLUGIN_DIR . "/{plugin_slug}":
+ *
+ *    array(
+ *      realpath( $plugin_virtual_path[1] ) => $plugin_virtual_path[1],
+ *      realpath( $plugin_virtual_path[2] ) => $plugin_virtual_path[2],
+ *      realpath( $plugin_virtual_path[3] ) => $plugin_virtual_path[3],
+ *    );
+ *
+ * @package WordPress
+ * @subpackage Plugin
+ * @access private
+ * @since 3.6
+ * @link http://core.trac.wordpress.org/ticket/16953
+ *
+ * @param mixed $plugin_slugs The newly changed array of 'active_plugins' being saved.
+ * @return mixed Array of full plugin filepaths where key is realpath( $virtual_path ) and value is $virtual_path.
+ */
+function _wp_pre_update_option_active_plugins( $plugin_slugs ) {
+  $symlinked_plugins = array();
+  foreach( $plugin_slugs as $plugin_slug ) {
+    $real_path = realpath( $virtual_path = WP_PLUGIN_DIR . "/{$plugin_slug}" );
+    if ( $real_path != $virtual_path )
+      $symlinked_plugins[$real_path] = $virtual_path;
+  }
+  if ( count( $symlinked_plugins ) )
+    update_option( 'symlinked_plugins', $symlinked_plugins );
+  else
+    delete_option( 'symlinked_plugins' );
+  return $plugin_slugs;
+}
+add_filter( 'pre_update_option_active_plugins', '_wp_pre_update_option_active_plugins' );