1000, 'orderby' => 'count', 'order' => 'DESC' ) ); usort( $categories, array( __CLASS__, 'strcasecmp_name' ) ); foreach ( $categories as $category ) { ?> 'name', 'exclude_admin' => true ) ) as $author ) { ?> roles as $role_key => $role ) { ?> 1000, 'orderby' => 'count', 'order' => 'DESC' ) ); usort( $tags, array( __CLASS__, 'strcasecmp_name' ) ); foreach ( $tags as $tag ) { ?> true, '_builtin' => true ), 'objects' ); foreach ( $post_types as $post_type ) { ?> ]*?>/i', '', wp_dropdown_pages( array( 'echo' => false ) ) ) ); ?> false ), 'objects' ); usort( $taxonomies, array( __CLASS__, 'strcasecmp_name' ) ); $parts = explode( '_tax_', $minor ); if ( 2 === count( $parts ) ) { $minor_id = self::maybe_get_split_term( $parts[1], $parts[0] ); $minor = $parts[0] . '_tax_' . $minor_id; } foreach ( $taxonomies as $taxonomy ) { ?> name ), array( 'number' => 250, 'hide_empty' => false ) ); foreach ( $terms as $term ) { ?> true, '_builtin' => false ), 'objects' ); foreach ( $post_types as $post_type ) { ?> true, '_builtin' => false ), 'objects' ); foreach ( $post_types as $post_type ) { ?> (int) $minor ) ); if ( $page_children ) { ?> /> '', 'minor' => '', 'has_children' => '' ); ?>

' ); ?>

'', 'minor' => '', 'has_children' => '' ) ); ?>

$major_rule ) { if ( ! $major_rule ) continue; $conditions['rules'][] = array( 'major' => $major_rule, 'minor' => isset( $_POST['conditions']['rules_minor'][$index] ) ? $_POST['conditions']['rules_minor'][$index] : '', 'has_children' => isset( $_POST['conditions']['page_children'][$index] ) ? true : false, ); } if ( ! empty( $conditions['rules'] ) ) $instance['conditions'] = $conditions; else unset( $instance['conditions'] ); if ( ( isset( $instance['conditions'] ) && ! isset( $old_instance['conditions'] ) ) || ( isset( $instance['conditions'], $old_instance['conditions'] ) && serialize( $instance['conditions'] ) != serialize( $old_instance['conditions'] ) ) ) { /** * Fires after the widget visibility conditions are saved. * * @module widget-visibility * * @since 2.4.0 */ do_action( 'widget_conditions_save' ); } else if ( ! isset( $instance['conditions'] ) && isset( $old_instance['conditions'] ) ) { /** * Fires after the widget visibility conditions are deleted. * * @module widget-visibility * * @since 2.4.0 */ do_action( 'widget_conditions_delete' ); } return $instance; } /** * Filter the list of widgets for a sidebar so that active sidebars work as expected. * * @param array $widget_areas An array of widget areas and their widgets. * @return array The modified $widget_area array. */ public static function sidebars_widgets( $widget_areas ) { $settings = array(); foreach ( $widget_areas as $widget_area => $widgets ) { if ( empty( $widgets ) ) continue; if ( ! is_array( $widgets ) ) continue; if ( 'wp_inactive_widgets' == $widget_area ) continue; foreach ( $widgets as $position => $widget_id ) { // Find the conditions for this widget. if ( preg_match( '/^(.+?)-(\d+)$/', $widget_id, $matches ) ) { $id_base = $matches[1]; $widget_number = intval( $matches[2] ); } else { $id_base = $widget_id; $widget_number = null; } if ( ! isset( $settings[$id_base] ) ) { $settings[$id_base] = get_option( 'widget_' . $id_base ); } // New multi widget (WP_Widget) if ( ! is_null( $widget_number ) ) { if ( isset( $settings[$id_base][$widget_number] ) && false === self::filter_widget( $settings[$id_base][$widget_number] ) ) { unset( $widget_areas[$widget_area][$position] ); } } // Old single widget else if ( ! empty( $settings[ $id_base ] ) && false === self::filter_widget( $settings[$id_base] ) ) { unset( $widget_areas[$widget_area][$position] ); } } } return $widget_areas; } public static function template_redirect() { self::$passed_template_redirect = true; } /** * Generates a condition key based on the rule array * * @param array $rule * @return string key used to retrieve the condition. */ static function generate_condition_key( $rule ) { if ( isset( $rule['has_children'] ) ) { return $rule['major'] . ":" . $rule['minor'] . ":" . $rule['has_children']; } return $rule['major'] . ":" . $rule['minor']; } /** * Determine whether the widget should be displayed based on conditions set by the user. * * @param array $instance The widget settings. * @return array Settings to display or bool false to hide. */ public static function filter_widget( $instance ) { global $wp_query; if ( empty( $instance['conditions'] ) || empty( $instance['conditions']['rules'] ) ) return $instance; // Store the results of all in-page condition lookups so that multiple widgets with // the same visibility conditions don't result in duplicate DB queries. static $condition_result_cache = array(); $condition_result = false; foreach ( $instance['conditions']['rules'] as $rule ) { $condition_key = self::generate_condition_key( $rule ); if ( isset( $condition_result_cache[ $condition_key ] ) ) { $condition_result = $condition_result_cache[ $condition_key ]; } else { switch ( $rule['major'] ) { case 'date': switch ( $rule['minor'] ) { case '': $condition_result = is_date(); break; case 'month': $condition_result = is_month(); break; case 'day': $condition_result = is_day(); break; case 'year': $condition_result = is_year(); break; } break; case 'page': // Previously hardcoded post type options. if ( 'post' == $rule['minor'] ) $rule['minor'] = 'post_type-post'; else if ( ! $rule['minor'] ) $rule['minor'] = 'post_type-page'; switch ( $rule['minor'] ) { case '404': $condition_result = is_404(); break; case 'search': $condition_result = is_search(); break; case 'archive': $condition_result = is_archive(); break; case 'posts': $condition_result = $wp_query->is_posts_page; break; case 'home': $condition_result = is_home(); break; case 'front': if ( current_theme_supports( 'infinite-scroll' ) ) $condition_result = is_front_page(); else { $condition_result = is_front_page() && !is_paged(); } break; default: if ( substr( $rule['minor'], 0, 10 ) == 'post_type-' ) { $condition_result = is_singular( substr( $rule['minor'], 10 ) ); } elseif ( $rule['minor'] == get_option( 'page_for_posts' ) ) { // If $rule['minor'] is a page ID which is also the posts page $condition_result = $wp_query->is_posts_page; } else { // $rule['minor'] is a page ID $condition_result = is_page() && ( $rule['minor'] == get_the_ID() ); // Check if $rule['minor'] is parent of page ID if ( ! $condition_result && isset( $rule['has_children'] ) && $rule['has_children'] ) $condition_result = wp_get_post_parent_id( get_the_ID() ) == $rule['minor']; } break; } break; case 'tag': if ( ! $rule['minor'] && is_tag() ) { $condition_result = true; } else { $rule['minor'] = self::maybe_get_split_term( $rule['minor'], $rule['major'] ); if ( is_singular() && $rule['minor'] && has_tag( $rule['minor'] ) ) { $condition_result = true; } else { $tag = get_tag( $rule['minor'] ); if ( $tag && ! is_wp_error( $tag ) && is_tag( $tag->slug ) ) { $condition_result = true; } } } break; case 'category': if ( ! $rule['minor'] && is_category() ) { $condition_result = true; } else { $rule['minor'] = self::maybe_get_split_term( $rule['minor'], $rule['major'] ); if ( is_category( $rule['minor'] ) ) { $condition_result = true; } else if ( is_singular() && $rule['minor'] && in_array( 'category', get_post_taxonomies() ) && has_category( $rule['minor'] ) ) $condition_result = true; } break; case 'loggedin': $condition_result = is_user_logged_in(); if ( 'loggedin' !== $rule['minor'] ) { $condition_result = ! $condition_result; } break; case 'author': $post = get_post(); if ( ! $rule['minor'] && is_author() ) $condition_result = true; else if ( $rule['minor'] && is_author( $rule['minor'] ) ) $condition_result = true; else if ( is_singular() && $rule['minor'] && $rule['minor'] == $post->post_author ) $condition_result = true; break; case 'role': if( is_user_logged_in() ) { $current_user = wp_get_current_user(); $user_roles = $current_user->roles; if( in_array( $rule['minor'], $user_roles ) ) { $condition_result = true; } else { $condition_result = false; } } else { $condition_result = false; } break; case 'post_type': if ( substr( $rule['minor'], 0, 10 ) == 'post_type-' ) { $condition_result = is_singular( substr( $rule['minor'], 10 ) ); } elseif ( substr( $rule['minor'], 0, 18 ) == 'post_type_archive-' ) { $condition_result = is_post_type_archive( substr( $rule['minor'], 18 ) ); } break; case 'taxonomy': $term = explode( '_tax_', $rule['minor'] ); // $term[0] = taxonomy name; $term[1] = term id if ( isset( $term[0] ) && isset( $term[1] ) ) { $term[1] = self::maybe_get_split_term( $term[1], $term[0] ); } if ( isset( $term[1] ) && is_tax( $term[0], $term[1] ) ) $condition_result = true; else if ( isset( $term[1] ) && is_singular() && $term[1] && has_term( $term[1], $term[0] ) ) $condition_result = true; else if ( is_singular() && $post_id = get_the_ID() ){ $terms = get_the_terms( $post_id, $rule['minor'] ); // Does post have terms in taxonomy? if( $terms && ! is_wp_error( $terms ) ) { $condition_result = true; } } break; } if ( $condition_result || self::$passed_template_redirect ) { // Some of the conditions will return false when checked before the template_redirect // action has been called, like is_page(). Only store positive lookup results, which // won't be false positives, before template_redirect, and everything after. $condition_result_cache[ $condition_key ] = $condition_result; } } if ( $condition_result ) break; } if ( ( 'show' == $instance['conditions']['action'] && ! $condition_result ) || ( 'hide' == $instance['conditions']['action'] && $condition_result ) ) return false; return $instance; } public static function strcasecmp_name( $a, $b ) { return strcasecmp( $a->name, $b->name ); } public static function maybe_get_split_term( $old_term_id = '', $taxonomy = '' ) { $term_id = $old_term_id; if ( 'tag' == $taxonomy ) { $taxonomy = 'post_tag'; } if ( function_exists( 'wp_get_split_term' ) && $new_term_id = wp_get_split_term( $old_term_id, $taxonomy ) ) { $term_id = $new_term_id; } return $term_id; } } add_action( 'init', array( 'Jetpack_Widget_Conditions', 'init' ) );