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< ? php
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/**
* WordPress Administration Update API
*
* @ package WordPress
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* @ subpackage Administration
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*/
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/**
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* Selects the first update version from the update_core option .
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*
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* @ return object | array | false The response from the API on success , false on failure .
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*/
function get_preferred_from_update_core () {
$updates = get_core_updates ();
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if ( ! is_array ( $updates ) )
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return false ;
if ( empty ( $updates ) )
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return ( object ) array ( 'response' => 'latest' );
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return $updates [ 0 ];
}
/**
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* Get available core updates .
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*
* @ param array $options Set $options [ 'dismissed' ] to true to show dismissed upgrades too ,
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* set $options [ 'available' ] to false to skip not - dismissed updates .
* @ return array | false Array of the update objects on success , false on failure .
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*/
function get_core_updates ( $options = array () ) {
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$options = array_merge ( array ( 'available' => true , 'dismissed' => false ), $options );
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$dismissed = get_site_option ( 'dismissed_update_core' );
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if ( ! is_array ( $dismissed ) )
$dismissed = array ();
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$from_api = get_site_transient ( 'update_core' );
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if ( ! isset ( $from_api -> updates ) || ! is_array ( $from_api -> updates ) )
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return false ;
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$updates = $from_api -> updates ;
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$result = array ();
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foreach ( $updates as $update ) {
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if ( $update -> response == 'autoupdate' )
continue ;
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if ( array_key_exists ( $update -> current . '|' . $update -> locale , $dismissed ) ) {
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if ( $options [ 'dismissed' ] ) {
$update -> dismissed = true ;
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$result [] = $update ;
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}
} else {
if ( $options [ 'available' ] ) {
$update -> dismissed = false ;
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$result [] = $update ;
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}
}
}
return $result ;
}
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/**
* Gets the best available ( and enabled ) Auto - Update for WordPress Core .
*
* If there 's 1.2.3 and 1.3 on offer, it' ll choose 1.3 if the install allows it , else , 1.2 . 3
*
* @ since 3.7 . 0
*
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* @ return array | false False on failure , otherwise the core update offering .
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*/
function find_core_auto_update () {
$updates = get_site_transient ( 'update_core' );
if ( ! $updates || empty ( $updates -> updates ) )
return false ;
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include_once ( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
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$auto_update = false ;
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$upgrader = new WP_Automatic_Updater ;
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foreach ( $updates -> updates as $update ) {
if ( 'autoupdate' != $update -> response )
continue ;
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if ( ! $upgrader -> should_update ( 'core' , $update , ABSPATH ) )
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continue ;
if ( ! $auto_update || version_compare ( $update -> current , $auto_update -> current , '>' ) )
$auto_update = $update ;
}
return $auto_update ;
}
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/**
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* Gets and caches the checksums for the given version of WordPress .
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*
* @ since 3.7 . 0
*
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* @ param string $version Version string to query .
* @ param string $locale Locale to query .
* @ return bool | array False on failure . An array of checksums on success .
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*/
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function get_core_checksums ( $version , $locale ) {
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$url = $http_url = 'http://api.wordpress.org/core/checksums/1.0/?' . http_build_query ( compact ( 'version' , 'locale' ), null , '&' );
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if ( $ssl = wp_http_supports ( array ( 'ssl' ) ) )
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$url = set_url_scheme ( $url , 'https' );
$options = array (
'timeout' => ( ( defined ( 'DOING_CRON' ) && DOING_CRON ) ? 30 : 3 ),
);
$response = wp_remote_get ( $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_get ( $http_url , $options );
}
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if ( is_wp_error ( $response ) || 200 != wp_remote_retrieve_response_code ( $response ) )
return false ;
$body = trim ( wp_remote_retrieve_body ( $response ) );
$body = json_decode ( $body , true );
if ( ! is_array ( $body ) || ! isset ( $body [ 'checksums' ] ) || ! is_array ( $body [ 'checksums' ] ) )
return false ;
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return $body [ 'checksums' ];
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}
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/**
*
* @ param object $update
* @ return bool
*/
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function dismiss_core_update ( $update ) {
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$dismissed = get_site_option ( 'dismissed_update_core' );
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$dismissed [ $update -> current . '|' . $update -> locale ] = true ;
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return update_site_option ( 'dismissed_update_core' , $dismissed );
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}
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/**
*
* @ param string $version
* @ param string $locale
* @ return bool
*/
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function undismiss_core_update ( $version , $locale ) {
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$dismissed = get_site_option ( 'dismissed_update_core' );
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$key = $version . '|' . $locale ;
if ( ! isset ( $dismissed [ $key ] ) )
return false ;
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unset ( $dismissed [ $key ] );
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return update_site_option ( 'dismissed_update_core' , $dismissed );
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}
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/**
*
* @ param string $version
* @ param string $locale
* @ return object | false
*/
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function find_core_update ( $version , $locale ) {
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$from_api = get_site_transient ( 'update_core' );
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if ( ! isset ( $from_api -> updates ) || ! is_array ( $from_api -> updates ) )
return false ;
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$updates = $from_api -> updates ;
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foreach ( $updates as $update ) {
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if ( $update -> current == $version && $update -> locale == $locale )
return $update ;
}
return false ;
}
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/**
*
* @ param string $msg
* @ return string
*/
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function core_update_footer ( $msg = '' ) {
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if ( ! current_user_can ( 'update_core' ) )
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return sprintf ( __ ( 'Version %s' ), get_bloginfo ( 'version' , 'display' ) );
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$cur = get_preferred_from_update_core ();
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if ( ! is_object ( $cur ) )
$cur = new stdClass ;
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if ( ! isset ( $cur -> current ) )
$cur -> current = '' ;
if ( ! isset ( $cur -> url ) )
$cur -> url = '' ;
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if ( ! isset ( $cur -> response ) )
$cur -> response = '' ;
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switch ( $cur -> response ) {
case 'development' :
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return sprintf ( __ ( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ), get_bloginfo ( 'version' , 'display' ), network_admin_url ( 'update-core.php' ) );
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case 'upgrade' :
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return sprintf ( '<strong>' . __ ( '<a href="%1$s">Get Version %2$s</a>' ) . '</strong>' , network_admin_url ( 'update-core.php' ), $cur -> current );
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case 'latest' :
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default :
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return sprintf ( __ ( 'Version %s' ), get_bloginfo ( 'version' , 'display' ) );
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}
}
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/**
*
* @ global string $pagenow
* @ return false | void
*/
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function update_nag () {
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if ( is_multisite () && ! current_user_can ( 'update_core' ) )
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return false ;
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global $pagenow ;
if ( 'update-core.php' == $pagenow )
return ;
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$cur = get_preferred_from_update_core ();
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if ( ! isset ( $cur -> response ) || $cur -> response != 'upgrade' )
return false ;
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if ( current_user_can ( 'update_core' ) ) {
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$msg = sprintf ( __ ( '<a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! <a href="%2$s">Please update now</a>.' ), $cur -> current , network_admin_url ( 'update-core.php' ) );
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} else {
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$msg = sprintf ( __ ( '<a href="https://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> is available! Please notify the site administrator.' ), $cur -> current );
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}
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echo " <div class='update-nag'> $msg </div> " ;
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}
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// Called directly from dashboard
function update_right_now_message () {
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$theme_name = wp_get_theme ();
if ( current_user_can ( 'switch_themes' ) ) {
$theme_name = sprintf ( '<a href="themes.php">%1$s</a>' , $theme_name );
}
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$msg = '' ;
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if ( current_user_can ( 'update_core' ) ) {
$cur = get_preferred_from_update_core ();
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if ( isset ( $cur -> response ) && $cur -> response == 'upgrade' )
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$msg .= '<a href="' . network_admin_url ( 'update-core.php' ) . '" class="button" aria-describedby="wp-version">' . sprintf ( __ ( 'Update to %s' ), $cur -> current ? $cur -> current : __ ( 'Latest' ) ) . '</a> ' ;
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}
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$msg .= sprintf ( '<span id="wp-version">' . __ ( 'WordPress %1$s running %2$s theme.' ) . '</span>' , get_bloginfo ( 'version' , 'display' ), $theme_name );
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echo " <p id='wp-version-message'> $msg </p> " ;
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}
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/**
* @ since 2.9 . 0
*
* @ return array
*/
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function get_plugin_updates () {
$all_plugins = get_plugins ();
$upgrade_plugins = array ();
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$current = get_site_transient ( 'update_plugins' );
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foreach ( ( array ) $all_plugins as $plugin_file => $plugin_data ) {
if ( isset ( $current -> response [ $plugin_file ] ) ) {
$upgrade_plugins [ $plugin_file ] = ( object ) $plugin_data ;
$upgrade_plugins [ $plugin_file ] -> update = $current -> response [ $plugin_file ];
}
}
return $upgrade_plugins ;
}
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/**
* @ since 2.9 . 0
*/
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function wp_plugin_update_rows () {
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if ( ! current_user_can ( 'update_plugins' ) )
return ;
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$plugins = get_site_transient ( 'update_plugins' );
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if ( isset ( $plugins -> response ) && is_array ( $plugins -> response ) ) {
$plugins = array_keys ( $plugins -> response );
foreach ( $plugins as $plugin_file ) {
add_action ( " after_plugin_row_ $plugin_file " , 'wp_plugin_update_row' , 10 , 2 );
}
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}
}
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/**
*
* @ param string $file
* @ param array $plugin_data
* @ return false | void
*/
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function wp_plugin_update_row ( $file , $plugin_data ) {
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$current = get_site_transient ( 'update_plugins' );
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if ( ! isset ( $current -> response [ $file ] ) )
return false ;
$r = $current -> response [ $file ];
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$plugins_allowedtags = array ( 'a' => array ( 'href' => array (), 'title' => array ()), 'abbr' => array ( 'title' => array ()), 'acronym' => array ( 'title' => array ()), 'code' => array (), 'em' => array (), 'strong' => array ());
$plugin_name = wp_kses ( $plugin_data [ 'Name' ], $plugins_allowedtags );
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$details_url = self_admin_url ( 'plugin-install.php?tab=plugin-information&plugin=' . $r -> slug . '§ion=changelog&TB_iframe=true&width=600&height=800' );
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$wp_list_table = _get_list_table ( 'WP_Plugins_List_Table' );
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if ( is_network_admin () || ! is_multisite () ) {
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$active_class = ( is_plugin_active ( $plugin_data [ 'plugin' ] ) ) ? ' active' : '' ;
echo '<tr class="plugin-update-tr' . $active_class . '" id="' . esc_attr ( $r -> slug . '-update' ) . '" data-slug="' . esc_attr ( $r -> slug ) . '" data-plugin="' . esc_attr ( $file ) . '"><td colspan="' . esc_attr ( $wp_list_table -> get_column_count () ) . '" class="plugin-update colspanchange"><div class="update-message">' ;
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if ( ! current_user_can ( 'update_plugins' ) ) {
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printf ( __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>.' ), $plugin_name , esc_url ( $details_url ), esc_attr ( $plugin_name ), $r -> new_version );
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} elseif ( empty ( $r -> package ) ) {
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printf ( __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>. <em>Automatic update is unavailable for this plugin.</em>' ), $plugin_name , esc_url ( $details_url ), esc_attr ( $plugin_name ), $r -> new_version );
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} else {
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printf ( __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a> or <a href="%5$s" class="update-link">update now</a>.' ), $plugin_name , esc_url ( $details_url ), esc_attr ( $plugin_name ), $r -> new_version , wp_nonce_url ( self_admin_url ( 'update.php?action=upgrade-plugin&plugin=' ) . $file , 'upgrade-plugin_' . $file ) );
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}
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/**
* Fires at the end of the update message container in each
* row of the plugins list table .
*
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* The dynamic portion of the hook name , `$file` , refers to the path
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* of the plugin ' s primary file relative to the plugins directory .
*
* @ since 2.8 . 0
*
* @ param array $plugin_data {
* An array of plugin metadata .
*
* @ type string $name The human - readable name of the plugin .
* @ type string $plugin_uri Plugin URI .
* @ type string $version Plugin version .
* @ type string $description Plugin description .
* @ type string $author Plugin author .
* @ type string $author_uri Plugin author URI .
* @ type string $text_domain Plugin text domain .
* @ type string $domain_path Relative path to the plugin ' s . mo file ( s ) .
* @ type bool $network Whether the plugin can only be activated network wide .
* @ type string $title The human - readable title of the plugin .
* @ type string $author_name Plugin author ' s name .
* @ type bool $update Whether there ' s an available update . Default null .
* }
* @ param array $r {
* An array of metadata about the available plugin update .
*
* @ type int $id Plugin ID .
* @ type string $slug Plugin slug .
* @ type string $new_version New plugin version .
* @ type string $url Plugin URL .
* @ type string $package Plugin update package URL .
* }
*/
do_action ( " in_plugin_update_message- { $file } " , $plugin_data , $r );
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echo '</div></td></tr>' ;
}
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}
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/**
*
* @ return array
*/
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function get_theme_updates () {
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$current = get_site_transient ( 'update_themes' );
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if ( ! isset ( $current -> response ) )
return array ();
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$update_themes = array ();
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 ( $current -> response as $stylesheet => $data ) {
$update_themes [ $stylesheet ] = wp_get_theme ( $stylesheet );
$update_themes [ $stylesheet ] -> update = $data ;
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}
return $update_themes ;
}
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/**
* @ since 3.1 . 0
*/
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function wp_theme_update_rows () {
if ( ! current_user_can ( 'update_themes' ) )
return ;
$themes = get_site_transient ( 'update_themes' );
if ( isset ( $themes -> response ) && is_array ( $themes -> response ) ) {
$themes = array_keys ( $themes -> response );
foreach ( $themes as $theme ) {
add_action ( " after_theme_row_ $theme " , 'wp_theme_update_row' , 10 , 2 );
}
}
}
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/**
*
* @ param string $theme_key
* @ param WP_Theme $theme
* @ return false | void
*/
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function wp_theme_update_row ( $theme_key , $theme ) {
$current = get_site_transient ( 'update_themes' );
if ( ! isset ( $current -> response [ $theme_key ] ) )
return false ;
$r = $current -> response [ $theme_key ];
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$details_url = add_query_arg ( array ( 'TB_iframe' => 'true' , 'width' => 1024 , 'height' => 800 ), $current -> response [ $theme_key ][ 'url' ] );
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$wp_list_table = _get_list_table ( 'WP_MS_Themes_List_Table' );
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echo '<tr class="plugin-update-tr"><td colspan="' . $wp_list_table -> get_column_count () . '" class="plugin-update colspanchange"><div class="update-message">' ;
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if ( ! current_user_can ( 'update_themes' ) ) {
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printf ( __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>.' ), $theme [ 'Name' ], esc_url ( $details_url ), esc_attr ( $theme [ 'Name' ]), $r -> new_version );
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} elseif ( empty ( $r [ 'package' ] ) ) {
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printf ( __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ), $theme [ 'Name' ], esc_url ( $details_url ), esc_attr ( $theme [ 'Name' ]), $r [ 'new_version' ] );
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} else {
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printf ( __ ( 'There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s details</a> or <a href="%5$s">update now</a>.' ), $theme [ 'Name' ], esc_url ( $details_url ), esc_attr ( $theme [ 'Name' ]), $r [ 'new_version' ], wp_nonce_url ( self_admin_url ( 'update.php?action=upgrade-theme&theme=' ) . $theme_key , 'upgrade-theme_' . $theme_key ) );
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}
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/**
* Fires at the end of the update message container in each
* row of the themes list table .
*
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* The dynamic portion of the hook name , `$theme_key` , refers to
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* the theme slug as found in the WordPress . org themes repository .
*
* @ since 3.1 . 0
*
* @ param WP_Theme $theme The WP_Theme object .
* @ param array $r {
* An array of metadata about the available theme update .
*
* @ type string $new_version New theme version .
* @ type string $url Theme URL .
* @ type string $package Theme update package URL .
* }
*/
do_action ( " in_theme_update_message- { $theme_key } " , $theme , $r );
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echo '</div></td></tr>' ;
}
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/**
*
* @ global int $upgrading
* @ return false | void
*/
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function maintenance_nag () {
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include ( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version
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global $upgrading ;
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$nag = isset ( $upgrading );
if ( ! $nag ) {
$failed = get_site_option ( 'auto_core_update_failed' );
/*
* If an update failed critically , we may have copied over version . php but not other files .
* In that case , if the install claims we ' re running the version we attempted , nag .
* This is serious enough to err on the side of nagging .
*
* If we simply failed to update before we tried to copy any files , then assume things are
* OK if they are now running the latest .
*
* This flag is cleared whenever a successful update occurs using Core_Upgrader .
*/
$comparison = ! empty ( $failed [ 'critical' ] ) ? '>=' : '>' ;
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if ( version_compare ( $failed [ 'attempted' ], $wp_version , $comparison ) )
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$nag = true ;
}
if ( ! $nag )
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return false ;
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if ( current_user_can ( 'update_core' ) )
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$msg = sprintf ( __ ( 'An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.' ), 'update-core.php' );
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else
$msg = __ ( 'An automated WordPress update has failed to complete! Please notify the site administrator.' );
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echo " <div class='update-nag'> $msg </div> " ;
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}