WordPress 3.8-scripts

[autoinstalls/wordpress.git] / wp-includes / load.php

diff --git a/wp-includes/load.php b/wp-includes/load.php
index 1742af40d0e00ab95b5ab2ddaba8d64294a9515c..e589f5fa5a3b6f740384dd2256ca525348f17fa9 100644 (file)
--- a/wp-includes/load.php
+++ b/wp-includes/load.php
@@ -27,7 +27,6 @@ function wp_unregister_GLOBALS() {
        $input = array_merge( $_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset( $_SESSION ) && is_array( $_SESSION ) ? $_SESSION : array() );
        foreach ( $input as $k => $v )
                if ( !in_array( $k, $no_unset ) && isset( $GLOBALS[$k] ) ) {
-                       $GLOBALS[$k] = null;
                        unset( $GLOBALS[$k] );
                }
 }
@@ -254,17 +253,14 @@ function timer_stop( $display = 0, $precision = 3 ) { // if called like timer_st
  * When WP_DEBUG_LOG is true, errors will be logged to wp-content/debug.log.
  * WP_DEBUG_LOG defaults to false.
  *
+ * Errors are never displayed for XML-RPC requests.
+ *
  * @access private
  * @since 3.0.0
  */
 function wp_debug_mode() {
        if ( WP_DEBUG ) {
-               // E_DEPRECATED is a core PHP constant in PHP 5.3. Don't define this yourself.
-               // The two statements are equivalent, just one is for 5.3+ and for less than 5.3.
-               if ( defined( 'E_DEPRECATED' ) )
-                       error_reporting( E_ALL & ~E_DEPRECATED & ~E_STRICT );
-               else
-                       error_reporting( E_ALL );
+               error_reporting( E_ALL );
 
                if ( WP_DEBUG_DISPLAY )
                        ini_set( 'display_errors', 1 );
@@ -278,6 +274,8 @@ function wp_debug_mode() {
        } else {
                error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
        }
+       if ( defined( 'XMLRPC_REQUEST' ) )
+               ini_set( 'display_errors', 0 );
 }
 
 /**
@@ -371,6 +369,24 @@ function wp_set_wpdb_vars() {
        }
 }
 
+/**
+ * Access/Modify private global variable $_wp_using_ext_object_cache
+ *
+ * Toggle $_wp_using_ext_object_cache on and off without directly touching global
+ *
+ * @since 3.7.0
+ *
+ * @param bool $using Whether external object cache is being used
+ * @return bool The current 'using' setting
+ */
+function wp_using_ext_object_cache( $using = null ) {
+       global $_wp_using_ext_object_cache;
+       $current_using = $_wp_using_ext_object_cache;
+       if ( null !== $using )
+               $_wp_using_ext_object_cache = $using;
+       return $current_using;
+}
+
 /**
  * Starts the WordPress object cache.
  *
@@ -381,31 +397,33 @@ function wp_set_wpdb_vars() {
  * @since 3.0.0
  */
 function wp_start_object_cache() {
-       global $_wp_using_ext_object_cache, $blog_id;
+       global $blog_id;
 
        $first_init = false;
        if ( ! function_exists( 'wp_cache_init' ) ) {
                if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
                        require_once ( WP_CONTENT_DIR . '/object-cache.php' );
-                       $_wp_using_ext_object_cache = true;
-               } else {
-                       require_once ( ABSPATH . WPINC . '/cache.php' );
-                       $_wp_using_ext_object_cache = false;
+                       if ( function_exists( 'wp_cache_init' ) )
+                               wp_using_ext_object_cache( true );
                }
+
                $first_init = true;
-       } else if ( !$_wp_using_ext_object_cache && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
+       } else if ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
                // Sometimes advanced-cache.php can load object-cache.php before it is loaded here.
                // This breaks the function_exists check above and can result in $_wp_using_ext_object_cache
                // being set incorrectly. Double check if an external cache exists.
-               $_wp_using_ext_object_cache = true;
+               wp_using_ext_object_cache( true );
        }
 
+       if ( ! wp_using_ext_object_cache() )
+               require_once ( ABSPATH . WPINC . '/cache.php' );
+
        // If cache supports reset, reset instead of init if already initialized.
        // Reset signals to the cache that global IDs have changed and it may need to update keys
        // and cleanup caches.
        if ( ! $first_init && function_exists( 'wp_cache_switch_to_blog' ) )
                wp_cache_switch_to_blog( $blog_id );
-       else
+       elseif ( function_exists( 'wp_cache_init' ) )
                wp_cache_init();
 
        if ( function_exists( 'wp_cache_add_global_groups' ) ) {
@@ -427,12 +445,12 @@ function wp_not_installed() {
                if ( ! is_blog_installed() && ! defined( 'WP_INSTALLING' ) )
                        wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) );
        } elseif ( ! is_blog_installed() && false === strpos( $_SERVER['PHP_SELF'], 'install.php' ) && !defined( 'WP_INSTALLING' ) ) {
-
-               $link = wp_guess_url() . '/wp-admin/install.php';
-
                require( ABSPATH . WPINC . '/kses.php' );
                require( ABSPATH . WPINC . '/pluggable.php' );
                require( ABSPATH . WPINC . '/formatting.php' );
+
+               $link = wp_guess_url() . '/wp-admin/install.php';
+
                wp_redirect( $link );
                die();
        }
@@ -514,7 +532,8 @@ function wp_get_active_and_valid_plugins() {
  */
 function wp_set_internal_encoding() {
        if ( function_exists( 'mb_internal_encoding' ) ) {
-               if ( !@mb_internal_encoding( get_option( 'blog_charset' ) ) )
+               $charset = get_option( 'blog_charset' );
+               if ( ! $charset || ! @mb_internal_encoding( $charset ) )
                        mb_internal_encoding( 'UTF-8' );
        }
 }
@@ -553,6 +572,11 @@ function wp_magic_quotes() {
  * @since 1.2.0
  */
 function shutdown_action_hook() {
+       /**
+        * Fires just before PHP shuts down execution.
+        *
+        * @since 1.2.0
+        */
        do_action( 'shutdown' );
        wp_cache_close();
 }