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< ? 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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*
* @ 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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* The WordPress version , PHP version , and Locale is sent . Checks against the
* WordPress server at api . wordpress . org server . Will only check if WordPress
* isn ' t installing .
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*
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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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* @ param array $extra_stats Extra statistics to report to the WordPress . org API .
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* @ param bool $force_check Whether to bypass the transient cache and force a fresh update check . Defaults to false , true if $extra_stats is set .
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* @ return mixed Returns null if update is unsupported . Returns false if check is too soon .
*/
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function wp_version_check ( $extra_stats = array (), $force_check = false ) {
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if ( defined ( 'WP_INSTALLING' ) )
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return ;
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global $wpdb , $wp_local_package ;
include ABSPATH . WPINC . '/version.php' ; // include an unmodified $wp_version
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$php_version = phpversion ();
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$current = get_site_transient ( 'update_core' );
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$translations = wp_get_installed_translations ( 'core' );
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// Invalidate the transient when $wp_version changes
if ( is_object ( $current ) && $wp_version != $current -> version_checked )
$current = false ;
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if ( ! is_object ( $current ) ) {
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$current = new stdClass ;
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$current -> updates = array ();
$current -> version_checked = $wp_version ;
}
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if ( ! empty ( $extra_stats ) )
$force_check = true ;
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// Wait 60 seconds between multiple version check requests
$timeout = 60 ;
$time_not_changed = isset ( $current -> last_checked ) && $timeout > ( time () - $current -> last_checked );
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if ( ! $force_check && $time_not_changed )
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return false ;
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$locale = get_locale ();
/**
* Filter the locale requested for WordPress core translations .
*
* @ since 2.8 . 0
*
* @ param string $locale Current locale .
*/
$locale = apply_filters ( 'core_version_check_locale' , $locale );
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// Update last_checked for current to prevent multiple blocking requests if request hangs
$current -> last_checked = time ();
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set_site_transient ( 'update_core' , $current );
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if ( method_exists ( $wpdb , 'db_version' ) )
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$mysql_version = preg_replace ( '/[^0-9.].*/' , '' , $wpdb -> db_version ());
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else
$mysql_version = 'N/A' ;
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if ( is_multisite () ) {
$user_count = get_user_count ();
$num_blogs = get_blog_count ();
$wp_install = network_site_url ();
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$multisite_enabled = 1 ;
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} else {
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$user_count = count_users ();
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$user_count = $user_count [ 'total_users' ];
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$multisite_enabled = 0 ;
$num_blogs = 1 ;
$wp_install = home_url ( '/' );
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}
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$query = array (
'version' => $wp_version ,
'php' => $php_version ,
'locale' => $locale ,
'mysql' => $mysql_version ,
'local_package' => isset ( $wp_local_package ) ? $wp_local_package : '' ,
'blogs' => $num_blogs ,
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'users' => $user_count ,
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'multisite_enabled' => $multisite_enabled ,
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);
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$post_body = array (
'translations' => json_encode ( $translations ),
);
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if ( is_array ( $extra_stats ) )
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$post_body = array_merge ( $post_body , $extra_stats );
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$url = $http_url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query ( $query , null , '&' );
if ( $ssl = wp_http_supports ( array ( 'ssl' ) ) )
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$url = set_url_scheme ( $url , 'https' );
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$options = array (
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'timeout' => ( ( defined ( 'DOING_CRON' ) && DOING_CRON ) ? 30 : 3 ),
'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url ( '/' ),
'headers' => array (
'wp_install' => $wp_install ,
'wp_blog' => home_url ( '/' )
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),
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'body' => $post_body ,
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);
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$response = wp_remote_post ( $url , $options );
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if ( $ssl && is_wp_error ( $response ) ) {
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trigger_error ( __ ( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __ ( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent () || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
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$response = wp_remote_post ( $http_url , $options );
}
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if ( is_wp_error ( $response ) || 200 != wp_remote_retrieve_response_code ( $response ) )
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return false ;
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$body = trim ( wp_remote_retrieve_body ( $response ) );
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$body = json_decode ( $body , true );
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if ( ! is_array ( $body ) || ! isset ( $body [ 'offers' ] ) )
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return false ;
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$offers = $body [ 'offers' ];
foreach ( $offers as & $offer ) {
foreach ( $offer as $offer_key => $value ) {
if ( 'packages' == $offer_key )
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$offer [ 'packages' ] = ( object ) array_intersect_key ( array_map ( 'esc_url' , $offer [ 'packages' ] ),
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array_fill_keys ( array ( 'full' , 'no_content' , 'new_bundled' , 'partial' , 'rollback' ), '' ) );
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elseif ( 'download' == $offer_key )
$offer [ 'download' ] = esc_url ( $value );
else
$offer [ $offer_key ] = esc_html ( $value );
}
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$offer = ( object ) array_intersect_key ( $offer , array_fill_keys ( array ( 'response' , 'download' , 'locale' ,
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'packages' , 'current' , 'version' , 'php_version' , 'mysql_version' , 'new_bundled' , 'partial_version' , 'notify_email' , 'support_email' ), '' ) );
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}
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$updates = new stdClass ();
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$updates -> updates = $offers ;
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$updates -> last_checked = time ();
$updates -> version_checked = $wp_version ;
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if ( isset ( $body [ 'translations' ] ) )
$updates -> translations = $body [ 'translations' ];
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set_site_transient ( 'update_core' , $updates );
if ( ! empty ( $body [ 'ttl' ] ) ) {
$ttl = ( int ) $body [ 'ttl' ];
if ( $ttl && ( time () + $ttl < wp_next_scheduled ( 'wp_version_check' ) ) ) {
// Queue an event to re-run the update check in $ttl seconds.
wp_schedule_single_event ( time () + $ttl , 'wp_version_check' );
}
}
// Trigger a background updates check if running non-interactively, and we weren't called from the update handler.
if ( defined ( 'DOING_CRON' ) && DOING_CRON && ! doing_action ( 'wp_maybe_auto_update' ) ) {
do_action ( 'wp_maybe_auto_update' );
}
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}
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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
* 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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* @ since 2.3 . 0
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* @ uses $wp_version Used to notify the WordPress version .
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*
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* @ param array $extra_stats Extra statistics to report to the WordPress . org API .
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* @ return mixed Returns null if update is unsupported . Returns false if check is too soon .
*/
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function wp_update_plugins ( $extra_stats = array () ) {
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include ABSPATH . WPINC . '/version.php' ; // include an unmodified $wp_version
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if ( defined ( 'WP_INSTALLING' ) )
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return false ;
// 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' );
$plugins = get_plugins ();
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$translations = wp_get_installed_translations ( 'plugins' );
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$active = get_option ( 'active_plugins' , array () );
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$current = get_site_transient ( 'update_plugins' );
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if ( ! is_object ( $current ) )
$current = new stdClass ;
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$new_option = new stdClass ;
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$new_option -> last_checked = time ();
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// Check for update on a different schedule, depending on the page.
switch ( current_filter () ) {
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case 'upgrader_process_complete' :
$timeout = 0 ;
break ;
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case 'load-update-core.php' :
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$timeout = MINUTE_IN_SECONDS ;
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break ;
case 'load-plugins.php' :
case 'load-update.php' :
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$timeout = HOUR_IN_SECONDS ;
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break ;
default :
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if ( defined ( 'DOING_CRON' ) && DOING_CRON ) {
$timeout = 0 ;
} else {
$timeout = 12 * HOUR_IN_SECONDS ;
}
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}
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$time_not_changed = isset ( $current -> last_checked ) && $timeout > ( time () - $current -> last_checked );
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if ( $time_not_changed && ! $extra_stats ) {
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$plugin_changed = false ;
foreach ( $plugins as $file => $p ) {
$new_option -> checked [ $file ] = $p [ 'Version' ];
if ( ! isset ( $current -> checked [ $file ] ) || strval ( $current -> checked [ $file ]) !== strval ( $p [ 'Version' ]) )
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$plugin_changed = true ;
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}
if ( isset ( $current -> response ) && is_array ( $current -> response ) ) {
foreach ( $current -> response as $plugin_file => $update_details ) {
if ( ! isset ( $plugins [ $plugin_file ]) ) {
$plugin_changed = true ;
break ;
}
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}
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}
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// Bail if we've checked recently and if nothing has changed
if ( ! $plugin_changed )
return false ;
}
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// Update last_checked for current to prevent multiple blocking requests if request hangs
$current -> last_checked = time ();
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set_site_transient ( 'update_plugins' , $current );
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$to_send = compact ( 'plugins' , 'active' );
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$locales = array ( get_locale () );
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/**
* Filter the locales requested for plugin translations .
*
* @ since 3.7 . 0
*
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* @ param array $locales Plugin locale . Default is current locale of the site .
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*/
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$locales = apply_filters ( 'plugins_update_check_locales' , $locales );
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$options = array (
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'timeout' => ( ( defined ( 'DOING_CRON' ) && DOING_CRON ) ? 30 : 3 ),
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'body' => array (
'plugins' => json_encode ( $to_send ),
'translations' => json_encode ( $translations ),
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'locale' => json_encode ( $locales ),
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),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo ( 'url' )
);
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if ( $extra_stats ) {
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$options [ 'body' ][ 'update_stats' ] = json_encode ( $extra_stats );
}
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$url = $http_url = 'http://api.wordpress.org/plugins/update-check/1.1/' ;
if ( $ssl = wp_http_supports ( array ( 'ssl' ) ) )
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$url = set_url_scheme ( $url , 'https' );
$raw_response = wp_remote_post ( $url , $options );
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if ( $ssl && is_wp_error ( $raw_response ) ) {
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trigger_error ( __ ( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __ ( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent () || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
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$raw_response = wp_remote_post ( $http_url , $options );
}
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if ( is_wp_error ( $raw_response ) || 200 != wp_remote_retrieve_response_code ( $raw_response ) )
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return false ;
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$response = json_decode ( wp_remote_retrieve_body ( $raw_response ), true );
foreach ( $response [ 'plugins' ] as & $plugin ) {
$plugin = ( object ) $plugin ;
}
unset ( $plugin );
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if ( is_array ( $response ) ) {
$new_option -> response = $response [ 'plugins' ];
$new_option -> translations = $response [ 'translations' ];
} else {
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$new_option -> response = array ();
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$new_option -> translations = array ();
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}
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set_site_transient ( 'update_plugins' , $new_option );
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}
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/**
* Check theme versions against the latest versions hosted on WordPress . org .
*
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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
* installing .
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*
* @ since 2.7 . 0
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* @ uses $wp_version Used to notify the WordPress version .
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*
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* @ param array $extra_stats Extra statistics to report to the WordPress . o rg API .
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* @ return mixed Returns null if update is unsupported . Returns false if check is too soon .
*/
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function wp_update_themes ( $extra_stats = array () ) {
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include ABSPATH . WPINC . '/version.php' ; // include an unmodified $wp_version
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if ( defined ( 'WP_INSTALLING' ) )
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return false ;
Introduce WP_Theme, wp_get_themes(), and wp_get_theme() to replace get_themes(), get_theme(), get_theme_data(), current_theme_info(), and others.
* Getters and Helpers: Introduces a series of methods to allow for easy generation of headers for display, and other theme metadata, including page templates.
* Screenshots: Handles support for multiple screenshots. (see # Additional screenshots must be PNG and start with screenshot-2.png, and be sequential to be counted. see #19816.
* Error Handling: Broken themes have a WP_Error object attached to them.
* Caching: Introduces a wp_cache_themes_persistently filter (also in [20020]) to enable persistent caching of all filesystem and sanitization operations normally handled by WP_Theme (and formerly get_file_data() and get_themes()). Themes are cached individually and across five different cache keys for different data pieces.
* Compatibility: A WP_Theme object is backwards compatible with a theme's array formerly returned by get_themes() and get_theme(), and an stdClass object formerly returned by current_theme_info().
* i18n/L10n: Theme headers are now localizable with proper Text Domain and Domain Path headers, like plugins. (Language packs may remove the requirement for headers.) For page templates, see #6007 (not fixed yet, but will be easy now). For headers, fixes #15858.
* PHP and CSS files: New methods that fetch a list of theme files (for the theme editor) only on demand, rather than only loading them into memory. fixes #11214.
Functions deprecated:
* get_themes(), get_allowed_themes() and get_broken_themes() -- use wp_get_themes()
* get_theme() and current_theme_info() -- use wp_get_theme()
* get_site_allowed_themes() -- use WP_Theme::get_allowed_on_network()
* wpmu_get_blog_allowedthemes() -- use WP_theme::get_allowed_on_site()
see also [20016], [20018], [20019], [20020], [20021], [20022], [20025], [20026], [20027]. also fixes #19244.
see #20103.
git-svn-id: http://svn.automattic.com/wordpress/trunk@20029 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$installed_themes = wp_get_themes ();
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$translations = wp_get_installed_translations ( 'themes' );
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$last_update = get_site_transient ( 'update_themes' );
if ( ! is_object ( $last_update ) )
$last_update = new stdClass ;
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$themes = $checked = $request = array ();
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// Put slug of current theme into request.
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$request [ 'active' ] = get_option ( 'stylesheet' );
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Introduce WP_Theme, wp_get_themes(), and wp_get_theme() to replace get_themes(), get_theme(), get_theme_data(), current_theme_info(), and others.
* Getters and Helpers: Introduces a series of methods to allow for easy generation of headers for display, and other theme metadata, including page templates.
* Screenshots: Handles support for multiple screenshots. (see # Additional screenshots must be PNG and start with screenshot-2.png, and be sequential to be counted. see #19816.
* Error Handling: Broken themes have a WP_Error object attached to them.
* Caching: Introduces a wp_cache_themes_persistently filter (also in [20020]) to enable persistent caching of all filesystem and sanitization operations normally handled by WP_Theme (and formerly get_file_data() and get_themes()). Themes are cached individually and across five different cache keys for different data pieces.
* Compatibility: A WP_Theme object is backwards compatible with a theme's array formerly returned by get_themes() and get_theme(), and an stdClass object formerly returned by current_theme_info().
* i18n/L10n: Theme headers are now localizable with proper Text Domain and Domain Path headers, like plugins. (Language packs may remove the requirement for headers.) For page templates, see #6007 (not fixed yet, but will be easy now). For headers, fixes #15858.
* PHP and CSS files: New methods that fetch a list of theme files (for the theme editor) only on demand, rather than only loading them into memory. fixes #11214.
Functions deprecated:
* get_themes(), get_allowed_themes() and get_broken_themes() -- use wp_get_themes()
* get_theme() and current_theme_info() -- use wp_get_theme()
* get_site_allowed_themes() -- use WP_Theme::get_allowed_on_network()
* wpmu_get_blog_allowedthemes() -- use WP_theme::get_allowed_on_site()
see also [20016], [20018], [20019], [20020], [20021], [20022], [20025], [20026], [20027]. also fixes #19244.
see #20103.
git-svn-id: http://svn.automattic.com/wordpress/trunk@20029 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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foreach ( $installed_themes as $theme ) {
$checked [ $theme -> get_stylesheet () ] = $theme -> get ( 'Version' );
$themes [ $theme -> get_stylesheet () ] = array (
'Name' => $theme -> get ( 'Name' ),
'Title' => $theme -> get ( 'Name' ),
'Version' => $theme -> get ( 'Version' ),
'Author' => $theme -> get ( 'Author' ),
'Author URI' => $theme -> get ( 'AuthorURI' ),
'Template' => $theme -> get_template (),
'Stylesheet' => $theme -> get_stylesheet (),
);
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}
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// Check for update on a different schedule, depending on the page.
switch ( current_filter () ) {
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case 'upgrader_process_complete' :
$timeout = 0 ;
break ;
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case 'load-update-core.php' :
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$timeout = MINUTE_IN_SECONDS ;
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break ;
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case 'load-themes.php' :
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case 'load-update.php' :
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$timeout = HOUR_IN_SECONDS ;
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break ;
default :
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if ( defined ( 'DOING_CRON' ) && DOING_CRON ) {
$timeout = 0 ;
} else {
$timeout = 12 * HOUR_IN_SECONDS ;
}
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}
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$time_not_changed = isset ( $last_update -> last_checked ) && $timeout > ( time () - $last_update -> last_checked );
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if ( $time_not_changed && ! $extra_stats ) {
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$theme_changed = false ;
foreach ( $checked as $slug => $v ) {
if ( ! isset ( $last_update -> checked [ $slug ] ) || strval ( $last_update -> checked [ $slug ]) !== strval ( $v ) )
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$theme_changed = true ;
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}
if ( isset ( $last_update -> response ) && is_array ( $last_update -> response ) ) {
foreach ( $last_update -> response as $slug => $update_details ) {
if ( ! isset ( $checked [ $slug ]) ) {
$theme_changed = true ;
break ;
}
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}
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}
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// Bail if we've checked recently and if nothing has changed
if ( ! $theme_changed )
return false ;
}
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// Update last_checked for current to prevent multiple blocking requests if request hangs
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$last_update -> last_checked = time ();
set_site_transient ( 'update_themes' , $last_update );
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$request [ 'themes' ] = $themes ;
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$locales = array ( get_locale () );
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/**
* Filter the locales requested for theme translations .
*
* @ since 3.7 . 0
*
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* @ param array $locales Theme locale . Default is current locale of the site .
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*/
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$locales = apply_filters ( 'themes_update_check_locales' , $locales );
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$options = array (
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'timeout' => ( ( defined ( 'DOING_CRON' ) && DOING_CRON ) ? 30 : 3 ),
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'body' => array (
'themes' => json_encode ( $request ),
'translations' => json_encode ( $translations ),
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'locale' => json_encode ( $locales ),
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),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo ( 'url' )
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);
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if ( $extra_stats ) {
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$options [ 'body' ][ 'update_stats' ] = json_encode ( $extra_stats );
}
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$url = $http_url = 'http://api.wordpress.org/themes/update-check/1.1/' ;
if ( $ssl = wp_http_supports ( array ( 'ssl' ) ) )
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$url = set_url_scheme ( $url , 'https' );
$raw_response = wp_remote_post ( $url , $options );
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if ( $ssl && is_wp_error ( $raw_response ) ) {
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trigger_error ( __ ( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __ ( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent () || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE );
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$raw_response = wp_remote_post ( $http_url , $options );
}
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if ( is_wp_error ( $raw_response ) || 200 != wp_remote_retrieve_response_code ( $raw_response ) )
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return false ;
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$new_update = new stdClass ;
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$new_update -> last_checked = time ();
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$new_update -> checked = $checked ;
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$response = json_decode ( wp_remote_retrieve_body ( $raw_response ), true );
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if ( is_array ( $response ) ) {
$new_update -> response = $response [ 'themes' ];
$new_update -> translations = $response [ 'translations' ];
}
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set_site_transient ( 'update_themes' , $new_update );
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}
/**
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* Performs WordPress automatic background updates .
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*
* @ since 3.7 . 0
*/
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function wp_maybe_auto_update () {
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include_once ABSPATH . '/wp-admin/includes/admin.php' ;
include_once ABSPATH . '/wp-admin/includes/class-wp-upgrader.php' ;
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$upgrader = new WP_Automatic_Updater ;
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$upgrader -> run ();
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}
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/**
* Retrieves a list of all language updates available .
*
* @ since 3.7 . 0
*/
function wp_get_translation_updates () {
$updates = array ();
$transients = array ( 'update_core' => 'core' , 'update_plugins' => 'plugin' , 'update_themes' => 'theme' );
foreach ( $transients as $transient => $type ) {
$transient = get_site_transient ( $transient );
if ( empty ( $transient -> translations ) )
continue ;
foreach ( $transient -> translations as $translation ) {
$updates [] = ( object ) $translation ;
}
}
return $updates ;
}
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/**
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* Collect counts and UI strings for available updates
*
* @ since 3.3 . 0
*
* @ return array
*/
function wp_get_update_data () {
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$counts = array ( 'plugins' => 0 , 'themes' => 0 , 'wordpress' => 0 , 'translations' => 0 );
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if ( $plugins = current_user_can ( 'update_plugins' ) ) {
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$update_plugins = get_site_transient ( 'update_plugins' );
if ( ! empty ( $update_plugins -> response ) )
$counts [ 'plugins' ] = count ( $update_plugins -> response );
}
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if ( $themes = current_user_can ( 'update_themes' ) ) {
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$update_themes = get_site_transient ( 'update_themes' );
if ( ! empty ( $update_themes -> response ) )
$counts [ 'themes' ] = count ( $update_themes -> response );
}
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if ( ( $core = current_user_can ( 'update_core' ) ) && function_exists ( 'get_core_updates' ) ) {
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$update_wordpress = get_core_updates ( array ( 'dismissed' => false ) );
if ( ! empty ( $update_wordpress ) && ! in_array ( $update_wordpress [ 0 ] -> response , array ( 'development' , 'latest' ) ) && current_user_can ( 'update_core' ) )
$counts [ 'wordpress' ] = 1 ;
}
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if ( ( $core || $plugins || $themes ) && wp_get_translation_updates () )
$counts [ 'translations' ] = 1 ;
$counts [ 'total' ] = $counts [ 'plugins' ] + $counts [ 'themes' ] + $counts [ 'wordpress' ] + $counts [ 'translations' ];
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$titles = array ();
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if ( $counts [ 'wordpress' ] )
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$titles [ 'wordpress' ] = sprintf ( __ ( '%d WordPress Update' ), $counts [ 'wordpress' ] );
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if ( $counts [ 'plugins' ] )
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$titles [ 'plugins' ] = sprintf ( _n ( '%d Plugin Update' , '%d Plugin Updates' , $counts [ 'plugins' ] ), $counts [ 'plugins' ] );
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if ( $counts [ 'themes' ] )
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$titles [ 'themes' ] = sprintf ( _n ( '%d Theme Update' , '%d Theme Updates' , $counts [ 'themes' ] ), $counts [ 'themes' ] );
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if ( $counts [ 'translations' ] )
$titles [ 'translations' ] = __ ( 'Translation Updates' );
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$update_title = $titles ? esc_attr ( implode ( ', ' , $titles ) ) : '' ;
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$update_data = array ( 'counts' => $counts , 'title' => $update_title );
/**
* Filter the returned array of update data for plugins , themes , and WordPress core .
*
* @ since 3.5 . 0
*
* @ param array $update_data {
* Fetched update data .
*
* @ type array $counts An array of counts for available plugin , theme , and WordPress updates .
* @ type string $update_title Titles of available updates .
* }
* @ param array $titles An array of update counts and UI strings for available updates .
*/
return apply_filters ( 'wp_get_update_data' , $update_data , $titles );
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}
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function _maybe_update_core () {
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include ABSPATH . WPINC . '/version.php' ; // include an unmodified $wp_version
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$current = get_site_transient ( 'update_core' );
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if ( isset ( $current -> last_checked ) &&
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12 * HOUR_IN_SECONDS > ( time () - $current -> last_checked ) &&
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isset ( $current -> version_checked ) &&
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$current -> version_checked == $wp_version )
return ;
wp_version_check ();
}
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/**
* Check the last time plugins were run before checking plugin versions .
*
* This might have been backported to WordPress 2.6 . 1 for performance reasons .
* This is used for the wp - admin to check only so often instead of every page
* load .
*
* @ since 2.7 . 0
* @ access private
*/
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function _maybe_update_plugins () {
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$current = get_site_transient ( 'update_plugins' );
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if ( isset ( $current -> last_checked ) && 12 * HOUR_IN_SECONDS > ( time () - $current -> last_checked ) )
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return ;
wp_update_plugins ();
}
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/**
* Check themes versions only after a duration of time .
*
* This is for performance reasons to make sure that on the theme version
* checker is not run on every page load .
*
* @ since 2.7 . 0
* @ access private
*/
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function _maybe_update_themes () {
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$current = get_site_transient ( 'update_themes' );
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if ( isset ( $current -> last_checked ) && 12 * HOUR_IN_SECONDS > ( time () - $current -> last_checked ) )
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return ;
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wp_update_themes ();
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}
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/**
* Schedule core , theme , and plugin update checks .
*
* @ since 3.1 . 0
*/
function wp_schedule_update_checks () {
if ( ! wp_next_scheduled ( 'wp_version_check' ) && ! defined ( 'WP_INSTALLING' ) )
wp_schedule_event ( time (), 'twicedaily' , 'wp_version_check' );
if ( ! wp_next_scheduled ( 'wp_update_plugins' ) && ! defined ( 'WP_INSTALLING' ) )
wp_schedule_event ( time (), 'twicedaily' , 'wp_update_plugins' );
if ( ! wp_next_scheduled ( 'wp_update_themes' ) && ! defined ( 'WP_INSTALLING' ) )
wp_schedule_event ( time (), 'twicedaily' , 'wp_update_themes' );
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if ( ( wp_next_scheduled ( 'wp_maybe_auto_update' ) > ( time () + HOUR_IN_SECONDS ) ) && ! defined ( 'WP_INSTALLING' ) )
wp_clear_scheduled_hook ( 'wp_maybe_auto_update' );
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}
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if ( ( ! is_main_site () && ! is_network_admin () ) || ( defined ( 'DOING_AJAX' ) && DOING_AJAX ) )
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return ;
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add_action ( 'admin_init' , '_maybe_update_core' );
add_action ( 'wp_version_check' , 'wp_version_check' );
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add_action ( 'upgrader_process_complete' , 'wp_version_check' , 10 , 0 );
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add_action ( 'load-plugins.php' , 'wp_update_plugins' );
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add_action ( 'load-update.php' , 'wp_update_plugins' );
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add_action ( 'load-update-core.php' , 'wp_update_plugins' );
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add_action ( 'admin_init' , '_maybe_update_plugins' );
add_action ( 'wp_update_plugins' , 'wp_update_plugins' );
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add_action ( 'upgrader_process_complete' , 'wp_update_plugins' , 10 , 0 );
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add_action ( 'load-themes.php' , 'wp_update_themes' );
add_action ( 'load-update.php' , 'wp_update_themes' );
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add_action ( 'load-update-core.php' , 'wp_update_themes' );
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add_action ( 'admin_init' , '_maybe_update_themes' );
add_action ( 'wp_update_themes' , 'wp_update_themes' );
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add_action ( 'upgrader_process_complete' , 'wp_update_themes' , 10 , 0 );
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add_action ( 'wp_maybe_auto_update' , 'wp_maybe_auto_update' );
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add_action ( 'init' , 'wp_schedule_update_checks' );