Ticket #11750: 11750-array-defaults.patch

wp-admin/includes/plugin.php

@@ -258 +258 @@
  * @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, apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) );
+function is_plugin_active( $plugin ) {
+        return in_array( $plugin, apply_filters( 'active_plugins', get_option( 'active_plugins', array() ) ) );
 }
 
 /**
@@ -286 +286 @@
  * @param string $redirect Optional. URL to redirect to.
  * @return WP_Error|null WP_Error on invalid file or null on success.
  */
-function activate_plugin($plugin, $redirect = '') {
-        $current = get_option('active_plugins');
-        $plugin = plugin_basename(trim($plugin));
+function activate_plugin( $plugin, $redirect = '' ) {
+        $current = get_option( 'active_plugins', array() );
+        $plugin  = plugin_basename( trim( $plugin ) );
 
         $valid = validate_plugin($plugin);
         if ( is_wp_error($valid) )
@@ -322 +322 @@
  * @param string|array $plugins Single plugin or list of plugins to deactivate.
  * @param bool $silent Optional, default is false. Prevent calling deactivate hook.
  */
-function deactivate_plugins($plugins, $silent= false) {
-        $current = get_option('active_plugins');
+function deactivate_plugins( $plugins, $silent = false ) {
+        $current = get_option( 'active_plugins', array() );
 
-        if ( !is_array($plugins) )
-                $plugins = array($plugins);
-
-        foreach ( $plugins as $plugin ) {
+        foreach ( (array) $plugins as $plugin ) {
                 $plugin = plugin_basename($plugin);
                 if( ! is_plugin_active($plugin) )
                         continue;
@@ -475 +472 @@
         return true;
 }
 
+/**
+ * validate active plugins
+ * 
+ * validate all active plugins, deactivates invalid and 
+ * returns an array of deactived ones.
+ * 
+ * @since unknown
+ * @return array invalid plugins, plugin as key, error as value
+ */
 function validate_active_plugins() {
-        $check_plugins = apply_filters( 'active_plugins', get_option('active_plugins') );
+        $plugins = apply_filters( 'active_plugins', get_option( 'active_plugins', array() ) );
 
-        // Sanity check.  If the active plugin list is not an array, make it an
-        // empty array.
-        if ( !is_array($check_plugins) ) {
+        // validate vartype: array
+        if ( !is_array( $plugins ) ) {
                 update_option('active_plugins', array());
                 return;
         }
 
-        //Invalid is any plugin that is deactivated due to error.
         $invalid = array();
 
-        // If a plugin file does not exist, remove it from the list of active
-        // plugins.
-        foreach ( $check_plugins as $check_plugin ) {
-                $result = validate_plugin($check_plugin);
+        // invalid plugins get deactivated
+        foreach ( $plugins as $plugin ) {
+                $result = validate_plugin( $plugin );
                 if ( is_wp_error( $result ) ) {
-                        $invalid[$check_plugin] = $result;
-                        deactivate_plugins( $check_plugin, true);
+                        $invalid[$plugin] = $result;
+                        deactivate_plugins( $plugin, true );
                 }
         }
         return $invalid;

wp-admin/plugin-editor.php

@@ -208 +208 @@
                 <div id="documentation"><label for="docs-list"><?php _e('Documentation:') ?></label> <?php echo $docs_select ?> <input type="button" class="button" value="<?php esc_attr_e( 'Lookup' ) ?> " onclick="if ( '' != jQuery('#docs-list').val() ) { window.open( 'http://api.wordpress.org/core/handbook/1.0/?function=' + escape( jQuery( '#docs-list' ).val() ) + '&amp;locale=<?php echo urlencode( get_locale() ) ?>&amp;version=<?php echo urlencode( $wp_version ) ?>&amp;redirect=true'); }" /></div>
                 <?php endif; ?>
 <?php if ( is_writeable($real_file) ) : ?>
-        <?php if ( in_array($file, (array) get_option('active_plugins')) ) { ?>
+        <?php if ( in_array( $file, (array) get_option( 'active_plugins', array() ) ) ) { ?>
                 <p><?php _e('<strong>Warning:</strong> Making changes to active plugins is not recommended.  If your changes cause a fatal error, the plugin will be automatically deactivated.'); ?></p>
         <?php } ?>
         <p class="submit">

wp-includes/update.php

@@ -112 +112 @@
                 require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
 
         $plugins = get_plugins();
-        $active  = get_option( 'active_plugins' );
+        $active  = get_option( 'active_plugins', array() );
         $current = get_transient( 'update_plugins' );
         if ( ! is_object($current) )
                 $current = new stdClass;
@@ -147 +147 @@
         $current->last_checked = time();
         set_transient( 'update_plugins', $current );
 
-        $to_send = (object)compact('plugins', 'active');
+        $to_send = (object) compact('plugins', 'active');
 
         $options = array(
                 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3),

wp-settings.php

@@ -581 +581 @@
                 require(ABSPATH . 'my-hacks.php');
 }
 
-$current_plugins = apply_filters( 'active_plugins', get_option( 'active_plugins' ) );
+$current_plugins = apply_filters( 'active_plugins', get_option( 'active_plugins', array() ) );
 if ( is_array($current_plugins) && !defined('WP_INSTALLING') ) {
         foreach ( $current_plugins as $plugin ) {
                 // check the $plugin filename