Widgets: Add Custom HTML widget.
Ports [40893], [40926], [41000] to the 4.8 branch. Props westonruter, timmydcrawford, obenland. Fixes #40907 for 4.8. Built from https://develop.svn.wordpress.org/branches/4.8@41044 git-svn-id: http://core.svn.wordpress.org/branches/4.8@40894 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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Weston Ruter
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c4809250ca
commit
2d4418b905
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@ -35,9 +35,23 @@ final class WP_Customize_Widgets {
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* @var array
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*/
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protected $core_widget_id_bases = array(
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'archives', 'calendar', 'categories', 'links', 'meta',
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'nav_menu', 'pages', 'recent-comments', 'recent-posts',
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'rss', 'search', 'tag_cloud', 'text',
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'archives',
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'calendar',
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'categories',
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'custom_html',
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'links',
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'media_audio',
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'media_image',
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'media_video',
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'meta',
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'nav_menu',
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'pages',
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'recent-comments',
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'recent-posts',
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'rss',
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'search',
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'tag_cloud',
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'text',
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);
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/**
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@ -170,6 +170,8 @@ add_filter( 'widget_text_content', 'wptexturize' );
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add_filter( 'widget_text_content', 'convert_smilies', 20 );
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add_filter( 'widget_text_content', 'wpautop' );
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add_filter( 'widget_custom_html_content', 'balanceTags' );
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add_filter( 'date_i18n', 'wp_maybe_decline_date' );
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// RSS filters
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@ -60,3 +60,141 @@ require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-tag-cloud.php' );
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/** WP_Nav_Menu_Widget class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-nav-menu-widget.php' );
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/**
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* Core class used to implement a Custom HTML widget.
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*
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* Note that this class is only located in this file in the 4.8 branch
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* for the sake of automatic updates. In 4.9 and above, it is located at
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* `wp-includes/widgets/class-wp-widget-custom-html.php`.
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*
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* @since 4.8.1
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*
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* @see WP_Widget
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*/
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class WP_Widget_Custom_HTML extends WP_Widget {
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/**
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* Default instance.
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*
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* @since 4.8.1
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* @var array
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*/
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protected $default_instance = array(
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'title' => '',
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'content' => '',
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);
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/**
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* Sets up a new Custom HTML widget instance.
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*
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* @since 4.8.1
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*/
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public function __construct() {
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$widget_ops = array(
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'classname' => 'widget_custom_html',
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'description' => __( 'Arbitrary HTML code.' ),
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'customize_selective_refresh' => true,
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);
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$control_ops = array(
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'width' => 400,
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'height' => 350,
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);
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parent::__construct( 'custom_html', __( 'Custom HTML' ), $widget_ops, $control_ops );
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}
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/**
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* Outputs the content for the current Custom HTML widget instance.
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*
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* @since 4.8.1
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*
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* @param array $args Display arguments including 'before_title', 'after_title',
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* 'before_widget', and 'after_widget'.
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* @param array $instance Settings for the current Custom HTML widget instance.
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*/
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public function widget( $args, $instance ) {
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$instance = array_merge( $this->default_instance, $instance );
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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
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$title = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base );
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$content = $instance['content'];
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/**
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* Filters the content of the Custom HTML widget.
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*
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* @since 4.8.1
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*
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* @param string $content The widget content.
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* @param array $instance Array of settings for the current widget.
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* @param WP_Widget_Custom_HTML $this Current Custom HTML widget instance.
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*/
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$content = apply_filters( 'widget_custom_html_content', $content, $instance, $this );
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echo $args['before_widget'];
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if ( ! empty( $title ) ) {
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echo $args['before_title'] . $title . $args['after_title'];
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}
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echo $content;
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echo $args['after_widget'];
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}
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/**
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* Handles updating settings for the current Custom HTML widget instance.
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*
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* @since 4.8.1
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*
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* @param array $new_instance New settings for this instance as input by the user via
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* WP_Widget::form().
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* @param array $old_instance Old settings for this instance.
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* @return array Settings to save or bool false to cancel saving.
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*/
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public function update( $new_instance, $old_instance ) {
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$instance = array_merge( $this->default_instance, $old_instance );
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$instance['title'] = sanitize_text_field( $new_instance['title'] );
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if ( current_user_can( 'unfiltered_html' ) ) {
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$instance['content'] = $new_instance['content'];
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} else {
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$instance['content'] = wp_kses_post( $new_instance['content'] );
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}
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return $instance;
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}
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/**
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* Outputs the Custom HTML widget settings form.
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*
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* @since 4.8.1
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*
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* @param array $instance Current instance.
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* @returns void
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*/
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public function form( $instance ) {
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$instance = wp_parse_args( (array) $instance, $this->default_instance );
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?>
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<p>
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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
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<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>"/>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'content' ); ?>"><?php _e( 'Content:' ); ?></label>
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<textarea class="widefat code" rows="16" cols="20" id="<?php echo $this->get_field_id( 'content' ); ?>" name="<?php echo $this->get_field_name( 'content' ); ?>"><?php echo esc_textarea( $instance['content'] ); ?></textarea>
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</p>
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<?php if ( ! current_user_can( 'unfiltered_html' ) ) : ?>
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<?php
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$probably_unsafe_html = array( 'script', 'iframe', 'form', 'input', 'style' );
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$allowed_html = wp_kses_allowed_html( 'post' );
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$disallowed_html = array_diff( $probably_unsafe_html, array_keys( $allowed_html ) );
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?>
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<?php if ( ! empty( $disallowed_html ) ) : ?>
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<p>
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<?php _e( 'Some HTML tags are not permitted, including:' ); ?>
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<code><?php echo join( '</code>, <code>', $disallowed_html ); ?></code>
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</p>
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<?php endif; ?>
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<?php endif; ?>
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<?php
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}
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}
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@ -1474,6 +1474,8 @@ function wp_widgets_init() {
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register_widget( 'WP_Nav_Menu_Widget' );
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register_widget( 'WP_Widget_Custom_HTML' );
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/**
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* Fires after all default WordPress widgets have been registered.
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*
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@ -25,7 +25,7 @@ class WP_Widget_Text extends WP_Widget {
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public function __construct() {
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$widget_ops = array(
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'classname' => 'widget_text',
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'description' => __( 'Arbitrary text or HTML.' ),
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'description' => __( 'Arbitrary text.' ),
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'customize_selective_refresh' => true,
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);
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$control_ops = array(
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