284 lines
8.3 KiB
PHP
284 lines
8.3 KiB
PHP
<?php
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/**
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* A simple set of functions to check our version 1.0 update service.
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*
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* @package WordPress
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* @since 2.3.0
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*/
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/**
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* Check WordPress version against the newest version.
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*
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* The WordPress version, PHP version, and Locale is sent. Checks against the
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* WordPress server at api.wordpress.org server. Will only check if WordPress
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* isn't installing.
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*
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* @package WordPress
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* @since 2.3.0
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* @uses $wp_version Used to check against the newest WordPress version.
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*
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_version_check() {
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if ( defined('WP_INSTALLING') )
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return;
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global $wp_version, $wpdb;
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$php_version = phpversion();
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$current = get_option( 'update_core' );
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$locale = get_locale();
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if (
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isset( $current->last_checked ) &&
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43200 > ( time() - $current->last_checked ) &&
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$current->version_checked == $wp_version
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)
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return false;
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$new_option = '';
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$new_option->last_checked = time(); // this gets set whether we get a response or not, so if something is down or misconfigured it won't delay the page load for more than 3 seconds, twice a day
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$new_option->version_checked = $wp_version;
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if ( method_exists( $wpdb, 'db_version' ) )
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$mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version($wpdb->users));
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else
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$mysql_version = 'N/A';
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$url = "http://api.wordpress.org/core/version-check/1.2/?version=$wp_version&php=$php_version&locale=$locale&mysql=$mysql_version";
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$options = array('timeout' => 3);
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$options['headers'] = array(
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'Content-Type' => 'application/x-www-form-urlencoded; charset=' . get_option('blog_charset'),
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'User-Agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo('url')
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);
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$response = wp_remote_request($url, $options);
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if ( is_wp_error( $response ) )
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return false;
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if ( 200 != $response['response']['code'] )
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return false;
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$body = trim( $response['body'] );
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$body = str_replace(array("\r\n", "\r"), "\n", $body);
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$returns = explode("\n", $body);
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$new_option->response = attribute_escape( $returns[0] );
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if ( isset( $returns[1] ) )
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$new_option->url = clean_url( $returns[1] );
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if ( isset( $returns[2] ) )
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$new_option->package = clean_url( $returns[2] );
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if ( isset( $returns[3] ) )
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$new_option->current = attribute_escape( $returns[3] );
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if ( isset( $returns[4] ) )
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$new_option->locale = attribute_escape( $returns[4] );
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update_option( 'update_core', $new_option );
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}
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add_action( 'init', 'wp_version_check' );
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/**
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* Check plugin versions against the latest versions hosted on WordPress.org.
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*
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* The WordPress version, PHP version, and Locale is sent along with a list of
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* all plugins installed. Checks against the WordPress server at
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* api.wordpress.org. Will only check if WordPress isn't installing.
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*
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* @package WordPress
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* @since 2.3.0
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* @uses $wp_version Used to notidy the WordPress version.
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*
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_update_plugins() {
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global $wp_version;
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if ( defined('WP_INSTALLING') )
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return false;
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// If running blog-side, bail unless we've not checked in the last 12 hours
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if ( !function_exists( 'get_plugins' ) )
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require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
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$plugins = get_plugins();
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$active = get_option( 'active_plugins' );
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$current = get_option( 'update_plugins' );
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$new_option = '';
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$new_option->last_checked = time();
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$time_not_changed = isset( $current->last_checked ) && 43200 > ( time() - $current->last_checked );
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$plugin_changed = false;
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foreach ( $plugins as $file => $p ) {
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$new_option->checked[ $file ] = $p['Version'];
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if ( !isset( $current->checked[ $file ] ) ) {
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$plugin_changed = true;
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continue;
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}
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if ( strval($current->checked[ $file ]) !== strval($p['Version']) )
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$plugin_changed = true;
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}
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if ( isset ( $current->response ) && is_array( $current->response ) ) {
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foreach ( $current->response as $plugin_file => $update_details ) {
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if ( ! isset($plugins[ $plugin_file ]) ) {
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$plugin_changed = true;
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}
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}
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}
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// Bail if we've checked in the last 12 hours and if nothing has changed
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if ( $time_not_changed && !$plugin_changed )
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return false;
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$to_send->plugins = $plugins;
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$to_send->active = $active;
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$send = serialize( $to_send );
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$body = 'plugins=' . urlencode( $send );
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$options = array('method' => 'POST', 'timeout' => 3, 'body' => $body);
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$options['headers'] = array(
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'Content-Type' => 'application/x-www-form-urlencoded; charset=' . get_option('blog_charset'),
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'Content-Length' => strlen($body),
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'User-Agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo('url')
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);
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$raw_response = wp_remote_request('http://api.wordpress.org/plugins/update-check/1.0/', $options);
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if ( is_wp_error( $raw_response ) )
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return false;
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if( 200 != $raw_response['response']['code'] ) {
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return false;
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}
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$response = unserialize( $raw_response['body'] );
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if ( $response )
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$new_option->response = $response;
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update_option( 'update_plugins', $new_option );
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}
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/**
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* Check theme versions against the latest versions hosted on WordPress.org.
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*
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* A list of all themes installed in sent to WP. Checks against the
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* WordPress server at api.wordpress.org. Will only check if WordPress isn't
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* installing.
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*
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* @package WordPress
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* @since 2.7.0
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* @uses $wp_version Used to notidy the WordPress version.
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*
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_update_themes( ) {
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global $wp_version;
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if( defined( 'WP_INSTALLING' ) )
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return false;
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if( !function_exists( 'get_themes' ) )
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require_once( ABSPATH . 'wp-includes/theme.php' );
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$installed_themes = get_themes( );
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$current_theme = get_option( 'update_themes' );
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$new_option = '';
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$new_option->last_checked = time( );
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$time_not_changed = isset( $current->last_checked ) && 43200 > ( time( ) - $current->last_checked );
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if( $time_not_changed )
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return false;
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$themes = array( );
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$themes['current_theme'] = $current_theme;
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foreach( (array) $installed_themes as $theme_title => $theme ) {
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$themes[$theme['Template']] = array( );
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foreach( (array) $theme as $key => $value ) {
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$themes[$theme['Template']][$key] = $value;
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}
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}
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$options = array(
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'method' => 'POST',
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'timeout' => 3,
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'body' => 'themes=' . urlencode( serialize( $themes ) )
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);
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$options['headers'] = array(
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'Content-Type' => 'application/x-www-form-urlencoded; charset=' . get_option( 'blog_charset' ),
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'Content-Length' => strlen( $options['body'] ),
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'User-Agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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);
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$raw_response = wp_remote_request( 'http://api.wordpress.org/themes/update-check/1.0/', $options );
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if( is_wp_error( $raw_response ) )
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return false;
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if( 200 != $raw_response['response']['code'] )
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return false;
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$response = unserialize( $raw_response['body'] );
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if( $response )
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$new_option->response = $response;
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update_option( 'update_themes', $new_option );
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}
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/**
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* Check the last time plugins were run before checking plugin versions.
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*
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* This might have been backported to WordPress 2.6.1 for performance reasons.
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* This is used for the wp-admin to check only so often instead of every page
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* load.
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*
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* @since 2.7.0
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* @access private
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*/
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function _maybe_update_plugins() {
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$current = get_option( 'update_plugins' );
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if ( isset( $current->last_checked ) && 43200 > ( time() - $current->last_checked ) )
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return;
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wp_update_plugins();
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}
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/**
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* Check themes versions only after a duration of time.
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*
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* This is for performance reasons to make sure that on the theme version
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* checker is not run on every page load.
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*
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* @since 2.7.0
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* @access private
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*/
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function _maybe_update_themes( ) {
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$current = get_option( 'update_themes' );
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if( isset( $current->last_checked ) && 43200 > ( time( ) - $current->last_checked ) )
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return;
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wp_update_themes( );
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}
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add_action( 'load-plugins.php', 'wp_update_plugins' );
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add_action( 'admin_init', '_maybe_update_plugins' );
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add_action( 'wp_update_plugins', 'wp_update_plugins' );
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add_action( 'admin_init', '_maybe_update_themes' );
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add_action( 'wp_update_themes', 'wp_update_themes' );
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if ( !wp_next_scheduled('wp_update_plugins') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins');
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if ( !wp_next_scheduled('wp_update_themes') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'twicedaily', 'wp_update_themes');
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?>
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