539 lines
22 KiB
PHP
539 lines
22 KiB
PHP
<?php
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// Registers dashboard widgets, handles POST data, sets up filters
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function wp_dashboard_setup() {
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global $wpdb, $wp_dashboard_sidebars;
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$update = false;
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if ( !$widget_options = get_option( 'dashboard_widget_options' ) )
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$widget_options = array();
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/* Register WP Dashboard Dynamic Sidebar */
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register_sidebar( array(
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'name' => 'WordPress Dashboard',
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'id' => 'wp_dashboard',
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'before_widget' => "\t<div class='dashboard-widget-holder %2\$s' id='%1\$s'>\n\n\t\t<div class='dashboard-widget'>\n\n",
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'after_widget' => "\t\t</div>\n\n\t</div>\n\n",
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'before_title' => "\t\t\t<h3 class='dashboard-widget-title'>",
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'after_title' => "</h3>\n\n"
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) );
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/* Register Widgets and Controls */
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// Recent Comments Widget
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if ( current_user_can( 'moderate_comments' ) && $mod_comments = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '0'") ) {
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$notice = sprintf( __ngettext( '%d comment awaiting moderation', '%d comments awaiting moderation', $mod_comments ), $mod_comments );
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$notice = "<a href='edit-comments.php?comment_status=moderated'>$notice</a>";
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} else {
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$notice = '';
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}
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wp_register_sidebar_widget( 'dashboard_recent_comments', __( 'Recent Comments' ), 'wp_dashboard_recent_comments',
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array( 'all_link' => 'edit-comments.php', 'notice' => $notice, 'width' => 'half' )
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);
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// Incoming Links Widget
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if ( !isset( $widget_options['dashboard_incoming_links'] ) ) {
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$update = true;
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$widget_options['dashboard_incoming_links'] = array(
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'link' => apply_filters( 'dashboard_incoming_links_link', 'http://blogsearch.google.com/blogsearch?hl=en&scoring=d&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ),
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'url' => apply_filters( 'dashboard_incoming_links_feed', 'http://blogsearch.google.com/blogsearch_feeds?hl=en&scoring=d&ie=utf-8&num=10&output=rss&partner=wordpress&q=link:' . trailingslashit( get_option('home') ) ),
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'items' => 5,
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'show_date' => 0
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);
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}
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wp_register_sidebar_widget( 'dashboard_incoming_links', __( 'Incoming Links' ), 'wp_dashboard_empty',
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array( 'all_link' => $widget_options['dashboard_incoming_links']['link'], 'feed_link' => $widget_options['dashboard_incoming_links']['url'], 'width' => 'half' ),
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'wp_dashboard_cached_rss_widget', 'wp_dashboard_incoming_links_output'
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);
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wp_register_widget_control( 'dashboard_incoming_links', __( 'Incoming Links' ), 'wp_dashboard_rss_control', array(),
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array( 'widget_id' => 'dashboard_incoming_links', 'form_inputs' => array( 'title' => false, 'show_summary' => false, 'show_author' => false ) )
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);
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// WP Plugins Widget
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wp_register_sidebar_widget( 'dashboard_plugins', __( 'Plugins' ), 'wp_dashboard_empty',
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array( 'all_link' => 'http://wordpress.org/extend/plugins/', 'feed_link' => 'http://wordpress.org/extend/plugins/rss/topics/', 'width' => 'half' ),
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'wp_dashboard_cached_rss_widget', 'wp_dashboard_plugins_output',
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array( 'http://wordpress.org/extend/plugins/rss/browse/popular/', 'http://wordpress.org/extend/plugins/rss/browse/new/', 'http://wordpress.org/extend/plugins/rss/browse/updated/' )
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);
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// Primary feed (Dev Blog) Widget
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if ( !isset( $widget_options['dashboard_primary'] ) ) {
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$update = true;
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$widget_options['dashboard_primary'] = array(
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'link' => apply_filters( 'dashboard_primary_link', __( 'http://wordpress.org/development/' ) ),
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'url' => apply_filters( 'dashboard_primary_feed', __( 'http://wordpress.org/development/feed/' ) ),
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'title' => apply_filters( 'dashboard_primary_title', __( 'WordPress Development Blog' ) ),
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'items' => 2,
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'show_summary' => 1,
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'show_author' => 0,
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'show_date' => 1
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);
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}
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wp_register_sidebar_widget( 'dashboard_primary', $widget_options['dashboard_primary']['title'], 'wp_dashboard_empty',
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array( 'all_link' => $widget_options['dashboard_primary']['link'], 'feed_link' => $widget_options['dashboard_primary']['url'], 'width' => 'half', 'class' => 'widget_rss' ),
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'wp_dashboard_cached_rss_widget', 'wp_dashboard_rss_output'
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);
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wp_register_widget_control( 'dashboard_primary', __( 'Primary Feed' ), 'wp_dashboard_rss_control', array(),
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array( 'widget_id' => 'dashboard_primary' )
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);
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// Secondary Feed (Planet) Widget
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if ( !isset( $widget_options['dashboard_secondary'] ) ) {
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$update = true;
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$widget_options['dashboard_secondary'] = array(
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'link' => apply_filters( 'dashboard_secondary_link', __( 'http://planet.wordpress.org/' ) ),
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'url' => apply_filters( 'dashboard_secondary_feed', __( 'http://planet.wordpress.org/feed/' ) ),
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'title' => apply_filters( 'dashboard_secondary_title', __( 'Other WordPress News' ) ),
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'items' => 15
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);
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}
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wp_register_sidebar_widget( 'dashboard_secondary', $widget_options['dashboard_secondary']['title'], 'wp_dashboard_empty',
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array( 'all_link' => $widget_options['dashboard_secondary']['link'], 'feed_link' => $widget_options['dashboard_secondary']['url'], 'width' => 'full' ),
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'wp_dashboard_cached_rss_widget', 'wp_dashboard_secondary_output'
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);
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wp_register_widget_control( 'dashboard_secondary', __( 'Secondary Feed' ), 'wp_dashboard_rss_control', array(),
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array( 'widget_id' => 'dashboard_secondary', 'form_inputs' => array( 'show_summary' => false, 'show_author' => false, 'show_date' => false ) )
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);
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/* Dashboard Widget Template
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wp_register_sidebar_widget( $widget_id (unique slug) , $widget_title, $output_callback,
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array(
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'all_link' => full url for "See All" link,
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'feed_link' => full url for "RSS" link,
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'width' => 'fourth', 'third', 'half', 'full' (defaults to 'half'),
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'height' => 'single', 'double' (defaults to 'single'),
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),
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$wp_dashboard_empty_callback (only needed if using 'wp_dashboard_empty' as your $output_callback),
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$arg, $arg, $arg... (further args passed to callbacks)
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);
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// optional: if you want users to be able to edit the settings of your widget, you need to register a widget_control
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wp_register_widget_control( $widget_id, $widget_control_title, $control_output_callback,
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array(), // leave an empty array here: oddity in widget code
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array(
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'widget_id' => $widget_id, // Yes - again. This is required: oddity in widget code
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'arg' => an arg to pass to the $control_output_callback,
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'another' => another arg to pass to the $control_output_callback,
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...
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)
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);
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*/
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// Hook to register new widgets
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do_action( 'wp_dashboard_setup' );
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// Hard code the sidebar's widgets and order
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$dashboard_widgets = array();
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$dashboard_widgets[] = 'dashboard_recent_comments';
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$dashboard_widgets[] = 'dashboard_incoming_links';
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$dashboard_widgets[] = 'dashboard_primary';
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if ( current_user_can( 'activate_plugins' ) )
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$dashboard_widgets[] = 'dashboard_plugins';
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$dashboard_widgets[] = 'dashboard_secondary';
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// Filter widget order
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$dashboard_widgets = apply_filters( 'wp_dashboard_widgets', $dashboard_widgets );
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$wp_dashboard_sidebars = array( 'wp_dashboard' => $dashboard_widgets, 'array_version' => 3.5 );
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add_filter( 'dynamic_sidebar_params', 'wp_dashboard_dynamic_sidebar_params' );
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if ( 'POST' == $_SERVER['REQUEST_METHOD'] && isset($_POST['widget_id']) ) {
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ob_start(); // hack - but the same hack wp-admin/widgets.php uses
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wp_dashbaord_trigger_widget_control( $_POST['widget_id'] );
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ob_end_clean();
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wp_redirect( remove_query_arg( 'edit' ) );
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exit;
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}
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if ( $update )
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update_option( 'dashboard_widget_options', $widget_options );
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}
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// Echoes out the dashboard
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function wp_dashboard() {
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echo "<div id='dashboard-widgets'>\n\n";
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// We're already filtering dynamic_sidebar_params obove
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add_filter( 'option_sidebars_widgets', 'wp_dashboard_sidebars_widgets' ); // here there be hackery
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dynamic_sidebar( 'wp_dashboard' );
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remove_filter( 'option_sidebars_widgets', 'wp_dashboard_sidebars_widgets' );
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echo "<br class='clear' />\n</div>\n\n\n";
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}
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// Makes sidebar_widgets option reflect the dashboard settings
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function wp_dashboard_sidebars_widgets() { // hackery
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return $GLOBALS['wp_dashboard_sidebars'];
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}
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// Modifies sidbar params on the fly to set up ids, class names, titles for each widget (called once per widget)
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// Switches widget to edit mode if $_GET['edit']
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function wp_dashboard_dynamic_sidebar_params( $params ) {
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global $wp_registered_widgets, $wp_registered_widget_controls;
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$sidebar_defaults = array('widget_id' => 0, 'before_widget' => '', 'after_widget' => '', 'before_title' => '', 'after_title' => '');
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extract( $sidebar_defaults, EXTR_PREFIX_ALL, 'sidebar' );
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extract( $params[0], EXTR_PREFIX_ALL, 'sidebar' );
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if ( !isset($wp_registered_widgets[$sidebar_widget_id]) || !is_array($wp_registered_widgets[$sidebar_widget_id]) ) {
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return $params;
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}
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$widget_defaults = array('id' => '', 'width' => '', 'height' => '', 'class' => '', 'feed_link' => '', 'all_link' => '', 'notice' => false, 'error' => false);
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extract( $widget_defaults, EXTR_PREFIX_ALL, 'widget' );
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extract( $wp_registered_widgets[$sidebar_widget_id], EXTR_PREFIX_ALL, 'widget' );
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$the_classes = array();
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if ( in_array($widget_width, array( 'third', 'fourth', 'full' ) ) )
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$the_classes[] = $widget_width;
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if ( 'double' == $widget_height )
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$the_classes[] = 'double';
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if ( $widget_class )
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$the_classes[] = $widget_class;
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// Add classes to the widget holder
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if ( $the_classes )
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$sidebar_before_widget = str_replace( "<div class='dashboard-widget-holder ", "<div class='dashboard-widget-holder " . join( ' ', $the_classes ) . ' ', $sidebar_before_widget );
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$links = array();
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if ( $widget_all_link )
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$links[] = '<a href="' . clean_url( $widget_all_link ) . '">' . __( 'See All' ) . '</a>';
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$content_class = 'dashboard-widget-content';
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if ( current_user_can( 'edit_dashboard' ) && isset($wp_registered_widget_controls[$widget_id]) && is_callable($wp_registered_widget_controls[$widget_id]['callback']) ) {
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// Switch this widget to edit mode
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if ( isset($_GET['edit']) && $_GET['edit'] == $widget_id ) {
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$content_class .= ' dashboard-widget-control';
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$wp_registered_widgets[$widget_id]['callback'] = 'wp_dashboard_empty';
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$sidebar_widget_name = $wp_registered_widget_controls[$widget_id]['name'];
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$params[1] = 'wp_dashbaord_trigger_widget_control';
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$sidebar_before_widget .= '<form action="' . remove_query_arg( 'edit' ) . '" method="post">';
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$sidebar_after_widget = "<div class='dashboard-widget-submit'><input type='hidden' name='sidebar' value='wp_dashboard' /><input type='hidden' name='widget_id' value='$widget_id' /><input type='submit' value='" . __( 'Save' ) . "' /></div></form>$sidebar_after_widget";
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$links[] = '<a href="' . remove_query_arg( 'edit' ) . '">' . __( 'Cancel' ) . '</a>';
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} else {
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$links[] = '<a href="' . add_query_arg( 'edit', $widget_id ) . "#$widget_id" . '">' . __( 'Edit' ) . '</a>';
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}
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}
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if ( $widget_feed_link )
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$links[] = '<img class="rss-icon" src="' . get_option( 'siteurl' ) . '/' . WPINC . '/images/rss.png" alt="' . __( 'rss icon' ) . '" /> <a href="' . clean_url( $widget_feed_link ) . '">' . __( 'RSS' ) . '</a>';
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$links = apply_filters( "wp_dashboard_widget_links_$widget_id", $links );
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// Add links to widget's title bar
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if ( $links ) {
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$sidebar_before_title .= '<span>';
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$sidebar_after_title = '</span><small>' . join( ' | ', $links ) . "</small><br class='clear' />$sidebar_after_title";
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}
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// Could have put this in widget-content. Doesn't really matter
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if ( $widget_notice )
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$sidebar_after_title .= "\t\t\t<div class='dashboard-widget-notice'>$widget_notice</div>\n\n";
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if ( $widget_error )
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$sidebar_after_title .= "\t\t\t<div class='dashboard-widget-error'>$widget_error</div>\n\n";
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$sidebar_after_title .= "\t\t\t<div class='$content_class'>\n\n";
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$sidebar_after_widget .= "\t\t\t</div>\n\n";
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foreach( array_keys( $params[0] ) as $key )
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$$key = ${'sidebar_' . $key};
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$params[0] = compact( array_keys( $params[0] ) );
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return $params;
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}
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/* Dashboard Widgets */
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function wp_dashboard_recent_comments( $sidebar_args ) {
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global $comment;
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extract( $sidebar_args, EXTR_SKIP );
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echo $before_widget;
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echo $before_title;
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echo $widget_name;
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echo $after_title;
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$lambda = create_function( '', 'return 5;' );
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add_filter( 'option_posts_per_rss', $lambda ); // hack - comments query doesn't accept per_page parameter
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$comments_query = new WP_Query('feed=rss2&withcomments=1');
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remove_filter( 'option_posts_per_rss', $lambda );
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$is_first = true;
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if ( $comments_query->have_comments() ) {
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while ( $comments_query->have_comments() ) { $comments_query->the_comment();
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$comment_post_url = get_permalink( $comment->comment_post_ID );
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$comment_post_title = get_the_title( $comment->comment_post_ID );
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$comment_post_link = "<a href='$comment_post_url'>$comment_post_title</a>";
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$comment_link = '<a class="comment-link" href="' . get_comment_link() . '">#</a>';
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$comment_meta = sprintf( __( 'From <strong>%1$s</strong> on %2$s %3$s' ), get_comment_author(), $comment_post_link, $comment_link );
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if ( $is_first ) : $is_first = false;
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?>
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<blockquote><p>“<?php comment_excerpt(); ?>”</p></blockquote>
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<p class='comment-meta'><?php echo $comment_meta; ?></p>
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<ul id="dashboard-comments-list">
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<?php
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else :
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?>
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<li class='comment-meta'><?php echo $comment_meta; ?></li>
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<?php
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endif;
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}
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?>
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</ul>
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<?php
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}
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echo $after_widget;
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}
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// $sidebar_args are handled by wp_dashboard_empty()
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function wp_dashboard_incoming_links_output() {
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$widgets = get_option( 'dashboard_widget_options' );
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@extract( @$widgets['dashboard_incoming_links'], EXTR_SKIP );
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$rss = @fetch_rss( $url );
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if ( isset($rss->items) && 1 < count($rss->items) ) {// Technorati returns a 1-item feed when it has no results
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echo "<ul>\n";
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$rss->items = array_slice($rss->items, 0, $items);
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foreach ( $rss->items as $item ) {
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$publisher = '';
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$site_link = '';
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$link = '';
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$content = '';
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$date = '';
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$link = clean_url( strip_tags( $item['link'] ) );
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if ( isset( $item['author_uri'] ) )
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$site_link = clean_url( strip_tags( $item['author_uri'] ) );
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if ( !$publisher = wp_specialchars( strip_tags( isset($item['dc']['publisher']) ? $item['dc']['publisher'] : $item['author_name'] ) ) )
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$publisher = __( 'Somebody' );
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if ( $site_link )
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$publisher = "<a href='$site_link'>$publisher</a>";
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else
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$publisher = "<strong>$publisher</strong>";
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if ( isset($item['description']) )
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$content = $item['description'];
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elseif ( isset($item['summary']) )
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$content = $item['summary'];
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elseif ( isset($item['atom_content']) )
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$content = $item['atom_content'];
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else
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$content = __( 'something' );
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$content = wp_html_excerpt($content, 50) . ' ...';
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if ( $link )
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$text = _c( '%1$s linked here <a href="%2$s">saying</a>, "%3$s"|feed_display' );
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else
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$text = _c( '%1$s linked here saying, "%3$s"|feed_display' );
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if ( $show_date ) {
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if ( $show_author || $show_summary )
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$text .= _c( ' on %4$s|feed_display' );
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$date = wp_specialchars( strip_tags( isset($item['pubdate']) ? $item['pubdate'] : $item['published'] ) );
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$date = strtotime( $date );
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$date = gmdate( get_option( 'date_format' ), $date );
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}
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echo "\t<li>" . sprintf( _c( "$text|feed_display" ), $publisher, $link, $content, $date ) . "</li>\n";
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}
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echo "</ul>\n";
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} else {
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echo '<p>' . __('This dashboard widget queries <a href="http://blogsearch.google.com/">Google Blog Search</a> so that when another blog links to your site it will show up here. It has found no incoming links… yet. It’s okay — there is no rush.') . "</p>\n";
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}
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}
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// $sidebar_args are handled by wp_dashboard_empty()
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function wp_dashboard_rss_output( $widget_id ) {
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$widgets = get_option( 'dashboard_widget_options' );
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wp_widget_rss_output( $widgets[$widget_id] );
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}
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// $sidebar_args are handled by wp_dashboard_empty()
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function wp_dashboard_secondary_output() {
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$widgets = get_option( 'dashboard_widget_options' );
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@extract( @$widgets['dashboard_secondary'], EXTR_SKIP );
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$rss = @fetch_rss( $url );
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if ( !isset($rss->items) || 0 == count($rss->items) )
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return false;
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echo "<ul id='planetnews'>\n";
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$rss->items = array_slice($rss->items, 0, $items);
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foreach ($rss->items as $item ) {
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$title = wp_specialchars($item['title']);
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$author = preg_replace( '|(.+?):.+|s', '$1', $item['title'] );
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$post = preg_replace( '|.+?:(.+)|s', '$1', $item['title'] );
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$link = clean_url($item['link']);
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echo "\t<li><a href='$link'><span class='post'>$post</span><span class='hidden'> - </span><cite>$author</cite></a></li>\n";
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}
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echo "</ul>\n<br class='clear' />\n";
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}
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// $sidebar_args are handled by wp_dashboard_empty()
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function wp_dashboard_plugins_output() {
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$popular = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/popular/' );
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$new = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/new/' );
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$updated = @fetch_rss( 'http://wordpress.org/extend/plugins/rss/browse/updated/' );
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foreach ( array( 'popular' => __('Most Popular'), 'new' => __('Newest Plugins'), 'updated' => __('Recently Updated') ) as $feed => $label ) {
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if ( !isset($$feed->items) || 0 == count($$feed->items) )
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continue;
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$$feed->items = array_slice($$feed->items, 0, 5);
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$item_key = array_rand($$feed->items);
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// Eliminate some common badly formed plugin descriptions
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while ( ( null !== $item_key = array_rand($$feed->items) ) && false !== strpos( $$feed->items[$item_key]['description'], 'Plugin Name:' ) )
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unset($$feed->items[$item_key]);
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if ( !isset($$feed->items[$item_key]) )
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continue;
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$item = $$feed->items[$item_key];
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// current bbPress feed item titles are: user on "topic title"
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if ( preg_match( '/"(.*)"/s', $item['title'], $matches ) )
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$title = $matches[1];
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else // but let's make it forward compatible if things change
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$title = $item['title'];
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$title = wp_specialchars( $title );
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$description = wp_specialchars( strip_tags(html_entity_decode($item['description'], ENT_QUOTES)) );
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list($link, $frag) = explode( '#', $item['link'] );
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$link = clean_url($link);
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$dlink = rtrim($link, '/') . '/download/';
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echo "<h4>$label</h4>\n";
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echo "<h5><a href='$link'>$title</a></h5> <span>(<a href='$dlink'>" . __( 'Download' ) . "</a>)</span>\n";
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echo "<p>$description</p>\n";
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}
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}
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// Checks to see if all of the feed url in $check_urls are cached.
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// If $check_urls is empty, look for the rss feed url found in the dashboard widget optios of $widget_id.
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// If cached, call $callback, a function that echoes out output for this widget.
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// If not cache, echo a "Loading..." stub which is later replaced by AJAX call (see top of /wp-admin/index.php)
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function wp_dashboard_cached_rss_widget( $widget_id, $callback, $check_urls = array() ) {
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$loading = '<p class="widget-loading">' . __( 'Loading…' ) . '</p>';
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if ( empty($check_urls) ) {
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$widgets = get_option( 'dashboard_widget_options' );
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if ( empty($widgets[$widget_id]['url']) ) {
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echo $loading;
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return false;
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}
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$check_urls = array( $widgets[$widget_id]['url'] );
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}
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require_once( ABSPATH . WPINC . '/rss.php' );
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init(); // initialize rss constants
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$cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE );
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foreach ( $check_urls as $check_url ) {
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$status = $cache->check_cache( $check_url );
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if ( 'HIT' !== $status ) {
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echo $loading;
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return false;
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}
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}
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if ( $callback && is_callable( $callback ) ) {
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$args = array_slice( func_get_args(), 2 );
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array_unshift( $args, $widget_id );
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call_user_func_array( $callback, $args );
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}
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return true;
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}
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// Empty widget used for JS/AJAX created output.
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// Callback inserts content between before_widget and after_widget. Used when widget is in edit mode. Can also be used for custom widgets.
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function wp_dashboard_empty( $sidebar_args, $callback = false ) {
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extract( $sidebar_args, EXTR_SKIP );
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echo $before_widget;
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echo $before_title;
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echo $widget_name;
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echo $after_title;
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// When in edit mode, the callback passed to this function is the widget_control callback
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if ( $callback && is_callable( $callback ) ) {
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$args = array_slice( func_get_args(), 2 );
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array_unshift( $args, $widget_id );
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call_user_func_array( $callback, $args );
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}
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echo $after_widget;
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}
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/* Dashboard Widgets Controls. Ssee also wp_dashboard_empty() */
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// Calls widget_control callback
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function wp_dashbaord_trigger_widget_control( $widget_control_id = false ) {
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global $wp_registered_widget_controls;
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if ( is_scalar($widget_control_id) && $widget_control_id && isset($wp_registered_widget_controls[$widget_control_id]) && is_callable($wp_registered_widget_controls[$widget_control_id]['callback']) )
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call_user_func_array( $wp_registered_widget_controls[$widget_control_id]['callback'], $wp_registered_widget_controls[$widget_control_id]['params'] );
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}
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// Sets up $args to be used as input to wp_widget_rss_form(), handles POST data from RSS-type widgets
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function wp_dashboard_rss_control( $args ) {
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extract( $args );
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if ( !$widget_id )
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return false;
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if ( !$widget_options = get_option( 'dashboard_widget_options' ) )
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$widget_options = array();
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if ( !isset($widget_options[$widget_id]) )
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$widget_options[$widget_id] = array();
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$number = 1; // Hack to use wp_widget_rss_form()
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$widget_options[$widget_id]['number'] = $number;
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if ( 'POST' == $_SERVER['REQUEST_METHOD'] && isset($_POST['widget-rss'][$number]) ) {
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$_POST['widget-rss'][$number] = stripslashes_deep( $_POST['widget-rss'][$number] );
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$widget_options[$widget_id] = wp_widget_rss_process( $_POST['widget-rss'][$number] );
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// title is optional. If black, fill it if possible
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if ( !$widget_options[$widget_id]['title'] && isset($_POST['widget-rss'][$number]['title']) ) {
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require_once(ABSPATH . WPINC . '/rss.php');
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$rss = fetch_rss($widget_options[$widget_id]['url']);
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$widget_options[$widget_id]['title'] = htmlentities(strip_tags($rss->channel['title']));
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}
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update_option( 'dashboard_widget_options', $widget_options );
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}
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wp_widget_rss_form( $widget_options[$widget_id], $form_inputs );
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}
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?>
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