<h2>File Contents: /home/planet5/www/wp-content/plugins/jetpack/modules/widget-visibility/widget-conditions.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/wp-content/plugins/jetpack/modules/widget-visibility/widget-conditions.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php


/**
 * Hide or show widgets conditionally.
 */

class Jetpack_Widget_Conditions {
	static $passed_template_redirect = false;

	public static function init() {
		if ( is_admin() ) {
			add_action( &#039;sidebar_admin_setup&#039;, array( __CLASS__, &#039;widget_admin_setup&#039; ) );
			add_filter( &#039;widget_update_callback&#039;, array( __CLASS__, &#039;widget_update&#039; ), 10, 3 );
			add_action( &#039;in_widget_form&#039;, array( __CLASS__, &#039;widget_conditions_admin&#039; ), 10, 3 );
		} else if ( ! in_array( $GLOBALS[&#039;pagenow&#039;], array( &#039;wp-login.php&#039;, &#039;wp-register.php&#039; ) ) ) {
			add_filter( &#039;widget_display_callback&#039;, array( __CLASS__, &#039;filter_widget&#039; ) );
			add_filter( &#039;sidebars_widgets&#039;, array( __CLASS__, &#039;sidebars_widgets&#039; ) );
			add_action( &#039;template_redirect&#039;, array( __CLASS__, &#039;template_redirect&#039; ) );
		}
	}

	public static function widget_admin_setup() {
		wp_enqueue_style( &#039;widget-conditions&#039;, plugins_url( &#039;widget-conditions/widget-conditions.css&#039;, __FILE__ ) );
		wp_style_add_data( &#039;widget-conditions&#039;, &#039;rtl&#039;, &#039;replace&#039; );
		wp_enqueue_script( &#039;widget-conditions&#039;, plugins_url( &#039;widget-conditions/widget-conditions.js&#039;, __FILE__ ), array( &#039;jquery&#039;, &#039;jquery-ui-core&#039; ), 20140721, true );

		// Set up a single copy of all of the data that Widget Visibility needs.
		// This allows all widget conditions to reuse the same data, keeping page size down
		// and eliminating the AJAX calls we used to have to use to fetch the minor rule options.
		$widget_conditions_data = array();

		$widget_conditions_data[&#039;category&#039;] = array();
		$widget_conditions_data[&#039;category&#039;][] = array( &#039;&#039;, __( &#039;All category pages&#039;, &#039;jetpack&#039; ) );

		$categories = get_categories( array( &#039;number&#039; =&gt; 1000, &#039;orderby&#039; =&gt; &#039;count&#039;, &#039;order&#039; =&gt; &#039;DESC&#039; ) );
		usort( $categories, array( __CLASS__, &#039;strcasecmp_name&#039; ) );

		foreach ( $categories as $category ) {
			$widget_conditions_data[&#039;category&#039;][] = array( (string) $category-&gt;term_id, $category-&gt;name );
		}

		$widget_conditions_data[&#039;loggedin&#039;] = array();
		$widget_conditions_data[&#039;loggedin&#039;][] = array( &#039;loggedin&#039;, __( &#039;Logged In&#039;, &#039;jetpack&#039; ) );
		$widget_conditions_data[&#039;loggedin&#039;][] = array( &#039;loggedout&#039;, __( &#039;Logged Out&#039;, &#039;jetpack&#039; ) );

		$widget_conditions_data[&#039;author&#039;] = array();
		$widget_conditions_data[&#039;author&#039;][] = array( &#039;&#039;, __( &#039;All author pages&#039;, &#039;jetpack&#039; ) );

		// Only users with publish caps
		$authors = get_users(
			array(
				&#039;orderby&#039; =&gt; &#039;name&#039;,
				&#039;who&#039;     =&gt; &#039;authors&#039;,
			)
		);

		foreach ( $authors as $author ) {
			$widget_conditions_data[&#039;author&#039;][] = array( (string) $author-&gt;ID, $author-&gt;display_name );
		}

		$widget_conditions_data[&#039;role&#039;] = array();

		global $wp_roles;

		foreach ( $wp_roles-&gt;roles as $role_key =&gt; $role ) {
			$widget_conditions_data[&#039;role&#039;][] = array( (string) $role_key, $role[&#039;name&#039;] );
		}

		$widget_conditions_data[&#039;tag&#039;] = array();
		$widget_conditions_data[&#039;tag&#039;][] = array( &#039;&#039;, __( &#039;All tag pages&#039;, &#039;jetpack&#039; ) );

		$tags = get_tags( array( &#039;number&#039; =&gt; 1000, &#039;orderby&#039; =&gt; &#039;count&#039;, &#039;order&#039; =&gt; &#039;DESC&#039; ) );
		usort( $tags, array( __CLASS__, &#039;strcasecmp_name&#039; ) );

		foreach ( $tags as $tag ) {
			$widget_conditions_data[&#039;tag&#039;][] = array( (string) $tag-&gt;term_id, $tag-&gt;name );
		}

		$widget_conditions_data[&#039;date&#039;] = array();
		$widget_conditions_data[&#039;date&#039;][] = array( &#039;&#039;, __( &#039;All date archives&#039;, &#039;jetpack&#039; ) );
		$widget_conditions_data[&#039;date&#039;][] = array( &#039;day&#039;, __( &#039;Daily archives&#039;, &#039;jetpack&#039; ) );
		$widget_conditions_data[&#039;date&#039;][] = array( &#039;month&#039;, __( &#039;Monthly archives&#039;, &#039;jetpack&#039; ) );
		$widget_conditions_data[&#039;date&#039;][] = array( &#039;year&#039;, __( &#039;Yearly archives&#039;, &#039;jetpack&#039; ) );

		$widget_conditions_data[&#039;page&#039;] = array();
		$widget_conditions_data[&#039;page&#039;][] = array( &#039;front&#039;, __( &#039;Front page&#039;, &#039;jetpack&#039; ) );
		$widget_conditions_data[&#039;page&#039;][] = array( &#039;posts&#039;, __( &#039;Posts page&#039;, &#039;jetpack&#039; ) );
		$widget_conditions_data[&#039;page&#039;][] = array( &#039;archive&#039;, __( &#039;Archive page&#039;, &#039;jetpack&#039; ) );
		$widget_conditions_data[&#039;page&#039;][] = array( &#039;404&#039;, __( &#039;404 error page&#039;, &#039;jetpack&#039; ) );
		$widget_conditions_data[&#039;page&#039;][] = array( &#039;search&#039;, __( &#039;Search results&#039;, &#039;jetpack&#039; ) );

		$post_types = get_post_types( array( &#039;public&#039; =&gt; true ), &#039;objects&#039; );

		$widget_conditions_post_types = array();
		$widget_conditions_post_type_archives = array();

		foreach ( $post_types as $post_type ) {
			$widget_conditions_post_types[] = array( &#039;post_type-&#039; . $post_type-&gt;name, $post_type-&gt;labels-&gt;singular_name );
			$widget_conditions_post_type_archives[] = array( &#039;post_type_archive-&#039; . $post_type-&gt;name, $post_type-&gt;labels-&gt;name );
		}

		$widget_conditions_data[&#039;page&#039;][] = array( __( &#039;Post type:&#039;, &#039;jetpack&#039; ), $widget_conditions_post_types );

		$widget_conditions_data[&#039;page&#039;][] = array( __( &#039;Post type Archives:&#039;, &#039;jetpack&#039; ), $widget_conditions_post_type_archives );

		$pages_dropdown = preg_replace( &#039;/&lt;\/?select[^&gt;]*?&gt;/i&#039;, &#039;&#039;, wp_dropdown_pages( array( &#039;echo&#039; =&gt; false ) ) );

		preg_match_all( &#039;/value=.([0-9]+).[^&gt;]*&gt;([^&lt;]+)&lt;/&#039;, $pages_dropdown, $page_ids_and_titles, PREG_SET_ORDER );

		$static_pages = array();

		foreach ( $page_ids_and_titles as $page_id_and_title ) {
			$static_pages[] = array( (string) $page_id_and_title[1], $page_id_and_title[2] );
		}

		$widget_conditions_data[&#039;page&#039;][] = array( __( &#039;Static page:&#039;, &#039;jetpack&#039; ), $static_pages );

		$widget_conditions_data[&#039;taxonomy&#039;] = array();
		$widget_conditions_data[&#039;taxonomy&#039;][] = array( &#039;&#039;, __( &#039;All taxonomy pages&#039;, &#039;jetpack&#039; ) );

		$taxonomies = get_taxonomies(
			/**
			 * Filters args passed to get_taxonomies.
			 *
			 * @see https://developer.wordpress.org/reference/functions/get_taxonomies/
			 *
			 * @since 5.3.0
			 *
			 * @module widget-visibility
			 *
			 * @param array $args Widget Visibility taxonomy arguments.
			 */
			apply_filters( &#039;jetpack_widget_visibility_tax_args&#039;, array( &#039;_builtin&#039; =&gt; false ) ),
			&#039;objects&#039;
		);

		usort( $taxonomies, array( __CLASS__, &#039;strcasecmp_name&#039; ) );

		foreach ( $taxonomies as $taxonomy ) {
			$taxonomy_terms = get_terms( array( $taxonomy-&gt;name ), array( &#039;number&#039; =&gt; 250, &#039;hide_empty&#039; =&gt; false ) );

			$widget_conditions_terms = array();
			$widget_conditions_terms[] = array( $taxonomy-&gt;name, __( &#039;All pages&#039;, &#039;jetpack&#039; ) );

			foreach ( $taxonomy_terms as $term ) {
				$widget_conditions_terms[] = array( $taxonomy-&gt;name . &#039;_tax_&#039; . $term-&gt;term_id, $term-&gt;name );
			}

			$widget_conditions_data[&#039;taxonomy&#039;][] = array( $taxonomy-&gt;labels-&gt;name . &#039;:&#039;, $widget_conditions_terms );
		}

		wp_localize_script( &#039;widget-conditions&#039;, &#039;widget_conditions_data&#039;, $widget_conditions_data );

		// Save a list of the IDs of all pages that have children for dynamically showing the &quot;Include children&quot; checkbox.
		$all_pages = get_pages();
		$all_parents = array();

		foreach ( $all_pages as $page ) {
			if ( $page-&gt;post_parent ) {
				$all_parents[ (string) $page-&gt;post_parent ] = true;
			}
		}

		$front_page_id = get_option( &#039;page_on_front&#039; );

		if ( isset( $all_parents[ $front_page_id ] ) ) {
			$all_parents[ &#039;front&#039; ] = true;
		}

		wp_localize_script( &#039;widget-conditions&#039;, &#039;widget_conditions_parent_pages&#039;, $all_parents );
	}

	/**
	 * Add the widget conditions to each widget in the admin.
	 *
	 * @param $widget unused.
	 * @param $return unused.
	 * @param array $instance The widget settings.
	 */
	public static function widget_conditions_admin( $widget, $return, $instance ) {
		$conditions = array();

		if ( isset( $instance[&#039;conditions&#039;] ) )
			$conditions = $instance[&#039;conditions&#039;];

		if ( ! isset( $conditions[&#039;action&#039;] ) )
			$conditions[&#039;action&#039;] = &#039;show&#039;;

		if ( empty( $conditions[&#039;rules&#039;] ) )
			$conditions[&#039;rules&#039;][] = array( &#039;major&#039; =&gt; &#039;&#039;, &#039;minor&#039; =&gt; &#039;&#039;, &#039;has_children&#039; =&gt; &#039;&#039; );

		if ( empty( $conditions[&#039;match_all&#039;] ) ) {
			$conditions[&#039;match_all&#039;] = false;
		}

		?&gt;
		&lt;div
			class=&quot;
				widget-conditional
				&lt;?php
					if (
						empty( $_POST[&#039;widget-conditions-visible&#039;] )
						|| $_POST[&#039;widget-conditions-visible&#039;] == &#039;0&#039;
					) {
						?&gt;widget-conditional-hide&lt;?php
					}
				?&gt;
				&lt;?php
					if ( ! empty( $conditions[&#039;match_all&#039;] ) &amp;&amp; $conditions[&#039;match_all&#039;] ) {
						?&gt;intersection&lt;?php
					} else {
						?&gt;conjunction&lt;?php
					}
				?&gt;
			&quot;&gt;
			&lt;input type=&quot;hidden&quot; name=&quot;widget-conditions-visible&quot; value=&quot;&lt;?php if ( isset( $_POST[&#039;widget-conditions-visible&#039;] ) ) { echo esc_attr( $_POST[&#039;widget-conditions-visible&#039;] ); } else { ?&gt;0&lt;?php } ?&gt;&quot; /&gt;
			&lt;?php if ( ! isset( $_POST[&#039;widget-conditions-visible&#039;] ) ) { ?&gt;&lt;a href=&quot;#&quot; class=&quot;button display-options&quot;&gt;&lt;?php _e( &#039;Visibility&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/a&gt;&lt;?php } ?&gt;
			&lt;div class=&quot;widget-conditional-inner&quot;&gt;
				&lt;div class=&quot;condition-top&quot;&gt;
					&lt;?php printf( _x( &#039;%s if:&#039;, &#039;placeholder: dropdown menu to select widget visibility; hide if or show if&#039;, &#039;jetpack&#039; ), &#039;&lt;select name=&quot;conditions[action]&quot;&gt;&lt;option value=&quot;show&quot; &#039; . selected( $conditions[&#039;action&#039;], &#039;show&#039;, false ) . &#039;&gt;&#039; . esc_html_x( &#039;Show&#039;, &#039;Used in the &quot;%s if:&quot; translation for the widget visibility dropdown&#039;, &#039;jetpack&#039; ) . &#039;&lt;/option&gt;&lt;option value=&quot;hide&quot; &#039; . selected( $conditions[&#039;action&#039;], &#039;hide&#039;, false ) . &#039;&gt;&#039; . esc_html_x( &#039;Hide&#039;, &#039;Used in the &quot;%s if:&quot; translation for the widget visibility dropdown&#039;, &#039;jetpack&#039; ) . &#039;&lt;/option&gt;&lt;/select&gt;&#039; ); ?&gt;
				&lt;/div&gt;&lt;!-- .condition-top --&gt;

				&lt;div class=&quot;conditions&quot;&gt;
					&lt;?php

					foreach ( $conditions[&#039;rules&#039;] as $rule_index =&gt; $rule ) {
						$rule = wp_parse_args( $rule, array( &#039;major&#039; =&gt; &#039;&#039;, &#039;minor&#039; =&gt; &#039;&#039;, &#039;has_children&#039; =&gt; &#039;&#039; ) );
						?&gt;
						&lt;div class=&quot;condition&quot; data-rule-major=&quot;&lt;?php echo esc_attr( $rule[&#039;major&#039;] ); ?&gt;&quot; data-rule-minor=&quot;&lt;?php echo esc_attr( $rule[&#039;minor&#039;] ); ?&gt;&quot; data-rule-has-children=&quot;&lt;?php echo esc_attr( $rule[&#039;has_children&#039;] ); ?&gt;&quot;&gt;
							&lt;div class=&quot;selection alignleft&quot;&gt;
								&lt;select class=&quot;conditions-rule-major&quot; name=&quot;conditions[rules_major][]&quot;&gt;
									&lt;option value=&quot;&quot; &lt;?php selected( &quot;&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php echo esc_html_x( &#039;-- Select --&#039;, &#039;Used as the default option in a dropdown list&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;
									&lt;option value=&quot;category&quot; &lt;?php selected( &quot;category&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php esc_html_e( &#039;Category&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;
									&lt;option value=&quot;author&quot; &lt;?php selected( &quot;author&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php echo esc_html_x( &#039;Author&#039;, &#039;Noun, as in: &quot;The author of this post is...&quot;&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;

									&lt;?php if( ! ( defined( &#039;IS_WPCOM&#039; ) &amp;&amp; IS_WPCOM ) ) { // this doesn&#039;t work on .com because of caching ?&gt;
										&lt;option value=&quot;loggedin&quot; &lt;?php selected( &quot;loggedin&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php echo esc_html_x( &#039;User&#039;, &#039;Noun&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;
										&lt;option value=&quot;role&quot; &lt;?php selected( &quot;role&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php echo esc_html_x( &#039;Role&#039;, &#039;Noun, as in: &quot;The user role of that can access this widget is...&quot;&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;
									&lt;?php } ?&gt;

									&lt;option value=&quot;tag&quot; &lt;?php selected( &quot;tag&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php echo esc_html_x( &#039;Tag&#039;, &#039;Noun, as in: &quot;This post has one tag.&quot;&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;
									&lt;option value=&quot;date&quot; &lt;?php selected( &quot;date&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php echo esc_html_x( &#039;Date&#039;, &#039;Noun, as in: &quot;This page is a date archive.&quot;&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;
									&lt;option value=&quot;page&quot; &lt;?php selected( &quot;page&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php echo esc_html_x( &#039;Page&#039;, &#039;Example: The user is looking at a page, not a post.&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;
									&lt;?php if ( get_taxonomies( array( &#039;_builtin&#039; =&gt; false ) ) ) : ?&gt;
										&lt;option value=&quot;taxonomy&quot; &lt;?php selected( &quot;taxonomy&quot;, $rule[&#039;major&#039;] ); ?&gt;&gt;&lt;?php echo esc_html_x( &#039;Taxonomy&#039;, &#039;Noun, as in: &quot;This post has one taxonomy.&quot;&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/option&gt;
									&lt;?php endif; ?&gt;
								&lt;/select&gt;

								&lt;?php _ex( &#039;is&#039;, &#039;Widget Visibility: {Rule Major [Page]} is {Rule Minor [Search results]}&#039;, &#039;jetpack&#039; ); ?&gt;

								&lt;select class=&quot;conditions-rule-minor&quot; name=&quot;conditions[rules_minor][]&quot; &lt;?php if ( ! $rule[&#039;major&#039;] ) { ?&gt; disabled=&quot;disabled&quot;&lt;?php } ?&gt;&gt;
									&lt;?php /* Include the currently selected value so that if the widget is saved without
									         expanding the Visibility section, we don&#039;t lose the minor part of the rule.
									         If it is opened, this list is cleared out and populated with all the values. */ ?&gt;
									&lt;option value=&quot;&lt;?php echo esc_attr( $rule[&#039;minor&#039;] ); ?&gt;&quot; selected=&quot;selected&quot;&gt;&lt;/option&gt;
								&lt;/select&gt;

								&lt;span class=&quot;conditions-rule-has-children&quot; &lt;?php if ( ! $rule[&#039;has_children&#039;] ) { ?&gt; style=&quot;display: none;&quot;&lt;?php } ?&gt;&gt;
									&lt;label&gt;
										&lt;input type=&quot;checkbox&quot; name=&quot;conditions[page_children][&lt;?php echo $rule_index; ?&gt;]&quot; value=&quot;has&quot; &lt;?php checked( $rule[&#039;has_children&#039;], true ); ?&gt; /&gt;
										&lt;?php echo esc_html_x( &quot;Include children&quot;, &#039;Checkbox on Widget Visibility if children of the selected page should be included in the visibility rule.&#039;, &#039;jetpack&#039; ); ?&gt;
									&lt;/label&gt;
								&lt;/span&gt;
							&lt;/div&gt;

							&lt;div class=&quot;condition-control&quot;&gt;
								&lt;span class=&quot;condition-conjunction&quot;&gt;
									&lt;?php echo esc_html_x( &#039;or&#039;, &#039;Shown between widget visibility conditions.&#039;, &#039;jetpack&#039; ); ?&gt;
								&lt;/span&gt;
								&lt;span class=&quot;condition-intersection&quot;&gt;
									&lt;?php echo esc_html_x( &#039;and&#039;, &#039;Shown between widget visibility conditions.&#039;, &#039;jetpack&#039; ); ?&gt;
								&lt;/span&gt;
								&lt;div class=&quot;actions alignright&quot;&gt;
									&lt;a href=&quot;#&quot; class=&quot;delete-condition dashicons dashicons-no&quot;&gt;&lt;?php esc_html_e( &#039;Delete&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/a&gt;&lt;a href=&quot;#&quot; class=&quot;add-condition dashicons dashicons-plus&quot;&gt;&lt;?php esc_html_e( &#039;Add&#039;, &#039;jetpack&#039; ); ?&gt;&lt;/a&gt;
								&lt;/div&gt;
							&lt;/div&gt;

						&lt;/div&gt;&lt;!-- .condition --&gt;
						&lt;?php
					}

					?&gt;
				&lt;/div&gt;&lt;!-- .conditions --&gt;
				&lt;div class=&quot;conditions&quot;&gt;
					&lt;div class=&quot;condition-top&quot;&gt;
						&lt;label&gt;
							&lt;input
								type=&quot;checkbox&quot;
								name=&quot;conditions[match_all]&quot;
								value=&quot;1&quot;
								class=&quot;conditions-match-all&quot;
								&lt;?php checked( $conditions[&#039;match_all&#039;], &#039;1&#039; ); ?&gt; /&gt;
							&lt;?php esc_html_e( &#039;Match all conditions&#039;, &#039;jetpack&#039; ); ?&gt;
						&lt;/label&gt;
					&lt;/div&gt;&lt;!-- .condition-top --&gt;
				&lt;/div&gt;&lt;!-- .conditions --&gt;
			&lt;/div&gt;&lt;!-- .widget-conditional-inner --&gt;
		&lt;/div&gt;&lt;!-- .widget-conditional --&gt;
		&lt;?php
	}

	/**
	 * On an AJAX update of the widget settings, process the display conditions.
	 *
	 * @param array $new_instance New settings for this instance as input by the user.
	 * @param array $old_instance Old settings for this instance.
	 * @return array Modified settings.
	 */
	public static function widget_update( $instance, $new_instance, $old_instance ) {
		if ( empty( $_POST[&#039;conditions&#039;] ) ) {
			return $instance;
		}

		$conditions = array();
		$conditions[&#039;action&#039;] = $_POST[&#039;conditions&#039;][&#039;action&#039;];
		$conditions[&#039;match_all&#039;] = ( isset( $_POST[&#039;conditions&#039;][&#039;match_all&#039;] ) ? &#039;1&#039; : &#039;0&#039; );
		$conditions[&#039;rules&#039;] = array();

		foreach ( $_POST[&#039;conditions&#039;][&#039;rules_major&#039;] as $index =&gt; $major_rule ) {
			if ( ! $major_rule )
				continue;

			$conditions[&#039;rules&#039;][] = array(
				&#039;major&#039; =&gt; $major_rule,
				&#039;minor&#039; =&gt; isset( $_POST[&#039;conditions&#039;][&#039;rules_minor&#039;][$index] ) ? $_POST[&#039;conditions&#039;][&#039;rules_minor&#039;][$index] : &#039;&#039;,
				&#039;has_children&#039; =&gt; isset( $_POST[&#039;conditions&#039;][&#039;page_children&#039;][$index] ) ? true : false,
			);
		}

		if ( ! empty( $conditions[&#039;rules&#039;] ) )
			$instance[&#039;conditions&#039;] = $conditions;
		else
			unset( $instance[&#039;conditions&#039;] );

		if (
				( isset( $instance[&#039;conditions&#039;] ) &amp;&amp; ! isset( $old_instance[&#039;conditions&#039;] ) )
				||
				(
					isset( $instance[&#039;conditions&#039;], $old_instance[&#039;conditions&#039;] )
					&amp;&amp;
					serialize( $instance[&#039;conditions&#039;] ) != serialize( $old_instance[&#039;conditions&#039;] )
				)
			) {

			/**
			 * Fires after the widget visibility conditions are saved.
			 *
			 * @module widget-visibility
			 *
			 * @since 2.4.0
			 */
			do_action( &#039;widget_conditions_save&#039; );
		}
		else if ( ! isset( $instance[&#039;conditions&#039;] ) &amp;&amp; isset( $old_instance[&#039;conditions&#039;] ) ) {

			/**
			 * Fires after the widget visibility conditions are deleted.
			 *
			 * @module widget-visibility
			 *
			 * @since 2.4.0
			 */
			do_action( &#039;widget_conditions_delete&#039; );
		}

		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 =&gt; $widgets ) {
			if ( empty( $widgets ) )
				continue;

			if ( ! is_array( $widgets ) )
				continue;

			if ( &#039;wp_inactive_widgets&#039; == $widget_area )
				continue;

			foreach ( $widgets as $position =&gt; $widget_id ) {
				// Find the conditions for this widget.
				if ( preg_match( &#039;/^(.+?)-(\d+)$/&#039;, $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( &#039;widget_&#039; . $id_base );
				}

				// New multi widget (WP_Widget)
				if ( ! is_null( $widget_number ) ) {
					if ( isset( $settings[$id_base][$widget_number] ) &amp;&amp; false === self::filter_widget( $settings[$id_base][$widget_number] ) ) {
						unset( $widget_areas[$widget_area][$position] );
					}
				}

				// Old single widget
				else if ( ! empty( $settings[ $id_base ] ) &amp;&amp; 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[&#039;has_children&#039;] ) ) {
			return $rule[&#039;major&#039;] . &quot;:&quot; . $rule[&#039;minor&#039;] . &quot;:&quot; . $rule[&#039;has_children&#039;];
		}
		return $rule[&#039;major&#039;] . &quot;:&quot; . $rule[&#039;minor&#039;];
	}

	/**
	 * 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[&#039;conditions&#039;] ) || empty( $instance[&#039;conditions&#039;][&#039;rules&#039;] ) )
			return $instance;

		// Store the results of all in-page condition lookups so that multiple widgets with
		// the same visibility conditions don&#039;t result in duplicate DB queries.
		static $condition_result_cache = array();

		$condition_result = false;

		foreach ( $instance[&#039;conditions&#039;][&#039;rules&#039;] as $rule ) {
			$condition_result = false;
			$condition_key = self::generate_condition_key( $rule );

			if ( isset( $condition_result_cache[ $condition_key ] ) ) {
				$condition_result = $condition_result_cache[ $condition_key ];
			}
			else {
				switch ( $rule[&#039;major&#039;] ) {
					case &#039;date&#039;:
						switch ( $rule[&#039;minor&#039;] ) {
							case &#039;&#039;:
								$condition_result = is_date();
							break;
							case &#039;month&#039;:
								$condition_result = is_month();
							break;
							case &#039;day&#039;:
								$condition_result = is_day();
							break;
							case &#039;year&#039;:
								$condition_result = is_year();
							break;
						}
					break;
					case &#039;page&#039;:
						// Previously hardcoded post type options.
						if ( &#039;post&#039; == $rule[&#039;minor&#039;] )
							$rule[&#039;minor&#039;] = &#039;post_type-post&#039;;
						else if ( ! $rule[&#039;minor&#039;] )
							$rule[&#039;minor&#039;] = &#039;post_type-page&#039;;

						switch ( $rule[&#039;minor&#039;] ) {
							case &#039;404&#039;:
								$condition_result = is_404();
							break;
							case &#039;search&#039;:
								$condition_result = is_search();
							break;
							case &#039;archive&#039;:
								$condition_result = is_archive();
							break;
							case &#039;posts&#039;:
								$condition_result = $wp_query-&gt;is_posts_page;
							break;
							case &#039;home&#039;:
								$condition_result = is_home();
							break;
							case &#039;front&#039;:
								if ( current_theme_supports( &#039;infinite-scroll&#039; ) )
									$condition_result = is_front_page();
								else {
									$condition_result = is_front_page() &amp;&amp; !is_paged();
								}
							break;
							default:
								if ( substr( $rule[&#039;minor&#039;], 0, 10 ) == &#039;post_type-&#039; ) {
									$condition_result = is_singular( substr( $rule[&#039;minor&#039;], 10 ) );
								} elseif ( substr( $rule[&#039;minor&#039;], 0, 18 ) == &#039;post_type_archive-&#039; ) {
									$condition_result = is_post_type_archive( substr( $rule[&#039;minor&#039;], 18 ) );
								} elseif ( $rule[&#039;minor&#039;] == get_option( &#039;page_for_posts&#039; ) ) {
									// If $rule[&#039;minor&#039;] is a page ID which is also the posts page
									$condition_result = $wp_query-&gt;is_posts_page;
								} else {
									// $rule[&#039;minor&#039;] is a page ID
									$condition_result = is_page() &amp;&amp; ( $rule[&#039;minor&#039;] == get_the_ID() );

									// Check if $rule[&#039;minor&#039;] is parent of page ID
									if ( ! $condition_result &amp;&amp; isset( $rule[&#039;has_children&#039;] ) &amp;&amp; $rule[&#039;has_children&#039;] )
										$condition_result = wp_get_post_parent_id( get_the_ID() ) == $rule[&#039;minor&#039;];
								}
							break;
						}
					break;
					case &#039;tag&#039;:
						// All tag pages.
						if( ! $rule[&#039;minor&#039;] ) {
							if ( is_tag() ) {
								$condition_result = true;
							} else if ( is_singular() ) {
								if( in_array( &#039;post_tag&#039;, get_post_taxonomies() ) ) {
									$condition_result = true;
								}
							}
							break;
						}

						// All pages with the specified tag term.
						if ( is_tag( $rule[&#039;minor&#039;] ) ) {
							$condition_result = true;
						}
						else if ( is_singular() &amp;&amp; has_term( $rule[&#039;minor&#039;], &#039;post_tag&#039; ) ) {
							$condition_result = true;
						}
					break;
					case &#039;category&#039;:
						// All category pages.
						if( ! $rule[&#039;minor&#039;] ) {
							if ( is_category() ) {
								$condition_result = true;
							}
							else if ( is_singular() ) {
								if( in_array( &#039;category&#039;, get_post_taxonomies() ) ) {
									$condition_result = true;
								}
							}
							break;
						}

						// All pages with the specified category term.
						if ( is_category( $rule[&#039;minor&#039;] ) ) {
							$condition_result = true;
						}
						else if ( is_singular() &amp;&amp; has_term( $rule[&#039;minor&#039;], &#039;category&#039; ) ) {
							$condition_result = true;
						}
					break;
					case &#039;loggedin&#039;:
						$condition_result = is_user_logged_in();
						if ( &#039;loggedin&#039; !== $rule[&#039;minor&#039;] ) {
							$condition_result = ! $condition_result;
						}
					break;
					case &#039;author&#039;:
						$post = get_post();
						if ( ! $rule[&#039;minor&#039;] &amp;&amp; is_author() )
							$condition_result = true;
						else if ( $rule[&#039;minor&#039;] &amp;&amp; is_author( $rule[&#039;minor&#039;] ) )
							$condition_result = true;
						else if ( is_singular() &amp;&amp; $rule[&#039;minor&#039;] &amp;&amp; $rule[&#039;minor&#039;] == $post-&gt;post_author )
							$condition_result = true;
					break;
					case &#039;role&#039;:
						if( is_user_logged_in() ) {
							$current_user = wp_get_current_user();

							$user_roles = $current_user-&gt;roles;

							if( in_array( $rule[&#039;minor&#039;], $user_roles ) ) {
								$condition_result = true;
							} else {
								$condition_result = false;
							}

						} else {
							$condition_result = false;
						}
					break;
					case &#039;post_type&#039;:
						if ( substr( $rule[&#039;minor&#039;], 0, 10 ) == &#039;post_type-&#039; ) {
							$condition_result = is_singular( substr( $rule[&#039;minor&#039;], 10 ) );
						} elseif ( substr( $rule[&#039;minor&#039;], 0, 18 ) == &#039;post_type_archive-&#039; ) {
							$condition_result = is_post_type_archive( substr( $rule[&#039;minor&#039;], 18 ) );
						}
					break;
					case &#039;taxonomy&#039;:
						// All taxonomy pages.
						if( ! $rule[&#039;minor&#039;] ) {
							if ( is_archive() ) {
								if ( is_tag() || is_category() || is_tax() ) {
									$condition_result = true;
								}
							}
							else if ( is_singular() ) {
								$post_taxonomies = get_post_taxonomies();
								$condition_result = ! empty( $post_taxonomies );
							}
							break;
						}

						// Specified taxonomy page.
						$term = explode( &#039;_tax_&#039;, $rule[&#039;minor&#039;] ); // $term[0] = taxonomy name; $term[1] = term id
						if ( isset( $term[0] ) &amp;&amp; isset( $term[1] ) ) {
							$term[1] = self::maybe_get_split_term( $term[1], $term[0] );
						}

						// All pages of the specified taxonomy.
						if ( ! isset( $term[1] ) || ! $term[1] ) {
							if ( is_tax( $term[0] ) ) {
								$condition_result = true;
							}
							else if ( is_singular() ) {
								if( in_array( $term[0], get_post_taxonomies() ) ) {
									$condition_result = true;
								}
							}
							break;
						}

						// All pages with the specified taxonomy term.
						if ( is_tax( $term[0], $term[1] ) ) {
							$condition_result = true;
						}
						else if ( is_singular() &amp;&amp; has_term( $term[1], $term[0] ) ) {
							$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&#039;t be false positives, before template_redirect, and everything after.
					$condition_result_cache[ $condition_key ] = $condition_result;
				}
			}

			if (
				isset( $instance[&#039;conditions&#039;][&#039;match_all&#039;] )
				&amp;&amp; $instance[&#039;conditions&#039;][&#039;match_all&#039;] == &#039;1&#039;
				&amp;&amp; ! $condition_result
			) {

				// In case the match_all flag was set we quit on first failed condition
				break;
			} elseif (
				(
					empty( $instance[&#039;conditions&#039;][&#039;match_all&#039;] )
					|| $instance[&#039;conditions&#039;][&#039;match_all&#039;] !== &#039;1&#039;
				)
				&amp;&amp; $condition_result
			) {

				// Only quit on first condition if the match_all flag was not set
				break;
			}
		}

		if (
			(
				&#039;show&#039; == $instance[&#039;conditions&#039;][&#039;action&#039;]
				&amp;&amp; ! $condition_result
			) || (
				&#039;hide&#039; == $instance[&#039;conditions&#039;][&#039;action&#039;]
				&amp;&amp; $condition_result
			)
		) {
			return false;
		}

		return $instance;
	}

	public static function strcasecmp_name( $a, $b ) {
		return strcasecmp( $a-&gt;name, $b-&gt;name );
	}

	public static function maybe_get_split_term( $old_term_id = &#039;&#039;, $taxonomy = &#039;&#039; ) {
		$term_id = $old_term_id;

		if ( &#039;tag&#039; == $taxonomy ) {
			$taxonomy = &#039;post_tag&#039;;
		}

		if ( function_exists( &#039;wp_get_split_term&#039; ) &amp;&amp; $new_term_id = wp_get_split_term( $old_term_id, $taxonomy ) ) {
			$term_id = $new_term_id;
		}

		return $term_id;
	}

	/**
	 * Upgrade routine to go through all widgets and move the Post Type
	 * setting to its newer location.
	 *
	 * @since 4.7.1
	 *
	 */
	static function migrate_post_type_rules() {
		global $wp_registered_widgets;

		$sidebars_widgets = get_option( &#039;sidebars_widgets&#039; );

		// Going through all sidebars and through inactive and orphaned widgets
		foreach ( $sidebars_widgets as $s =&gt; $sidebar ) {
			if ( ! is_array( $sidebar ) ) {
				continue;
			}

			foreach ( $sidebar as $w =&gt; $widget ) {
				// $widget is the id of the widget
				if ( empty( $wp_registered_widgets[ $widget ] ) ) {
					continue;
				}

				$opts = $wp_registered_widgets[ $widget ];
				$instances = get_option( $opts[&#039;callback&#039;][0]-&gt;option_name );

				// Going through each instance of the widget
				foreach( $instances as $number =&gt; $instance ) {
					if (
						! is_array( $instance ) ||
						empty( $instance[&#039;conditions&#039;] ) ||
						empty( $instance[&#039;conditions&#039;][&#039;rules&#039;] )
					) {
						continue;
					}

					// Going through all visibility rules
					foreach( $instance[&#039;conditions&#039;][&#039;rules&#039;] as $index =&gt; $rule ) {

						// We only need Post Type rules
						if ( &#039;post_type&#039; !== $rule[&#039;major&#039;] ) {
							continue;
						}

						$rule_type = false;

						// Post type or type archive rule
						if ( 0 === strpos( $rule[&#039;minor&#039;], &#039;post_type_archive&#039; ) ) {
							$rule_type = &#039;post_type_archive&#039;;
						} else if ( 0 === strpos( $rule[&#039;minor&#039;], &#039;post_type&#039; ) ) {
							$rule_type = &#039;post_type&#039;;
						}

						if ( $rule_type ) {
							$post_type = substr( $rule[&#039;minor&#039;], strlen( $rule_type ) + 1 );
							$rule[&#039;minor&#039;] = $rule_type . &#039;-&#039; . $post_type;
							$rule[&#039;major&#039;] = &#039;page&#039;;

							$instances[ $number ][&#039;conditions&#039;][&#039;rules&#039;][ $index ] = $rule;
						}
					}
				}

				update_option( $opts[&#039;callback&#039;][0]-&gt;option_name, $instances );
			}
		}
	}

}

add_action( &#039;init&#039;, array( &#039;Jetpack_Widget_Conditions&#039;, &#039;init&#039; ) );
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