<?php

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/**

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* WordPress Widgets Administration API

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*

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* @package WordPress

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* @subpackage Administration

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*/

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/**

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* Display list of the available widgets.

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*

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* @since 2.5.0

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*

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* @global array $wp_registered_widgets

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* @global array $wp_registered_widget_controls

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*/

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function wp_list_widgets() {

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global $wp_registered_widgets, $wp_registered_widget_controls;

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$sort = $wp_registered_widgets;

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usort( $sort, '_sort_name_callback' );

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$done = array();

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foreach ( $sort as $widget ) {

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if ( in_array( $widget['callback'], $done, true ) ) { // We already showed this multi-widget.

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continue;

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}

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$sidebar = is_active_widget( $widget['callback'], $widget['id'], false, false );

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$done[] = $widget['callback'];

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if ( ! isset( $widget['params'][0] ) ) {

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$widget['params'][0] = array();

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}

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$args = array(

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'widget_id' => $widget['id'],

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'widget_name' => $widget['name'],

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'_display' => 'template',

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);

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if ( isset( $wp_registered_widget_controls[ $widget['id'] ]['id_base'] ) && isset( $widget['params'][0]['number'] ) ) {

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$id_base = $wp_registered_widget_controls[ $widget['id'] ]['id_base'];

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$args['_temp_id'] = "$id_base-__i__";

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$args['_multi_num'] = next_widget_id_number( $id_base );

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$args['_add'] = 'multi';

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} else {

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$args['_add'] = 'single';

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if ( $sidebar ) {

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$args['_hide'] = '1';

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}

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}

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$control_args = array(

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0 => $args,

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1 => $widget['params'][0],

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);

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$sidebar_args = wp_list_widget_controls_dynamic_sidebar( $control_args );

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wp_widget_control( ...$sidebar_args );

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}

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}

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/**

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* Callback to sort array by a 'name' key.

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*

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* @since 3.1.0

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* @access private

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*

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* @return int

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*/

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function _sort_name_callback( $a, $b ) {

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return strnatcasecmp( $a['name'], $b['name'] );

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}

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/**

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* Show the widgets and their settings for a sidebar.

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* Used in the admin widget config screen.

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*

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* @since 2.5.0

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*

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* @param string $sidebar Sidebar ID.

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* @param string $sidebar_name Optional. Sidebar name. Default empty.

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*/

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function wp_list_widget_controls( $sidebar, $sidebar_name = '' ) {

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add_filter( 'dynamic_sidebar_params', 'wp_list_widget_controls_dynamic_sidebar' );

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$description = wp_sidebar_description( $sidebar );

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echo '<div id="' . esc_attr( $sidebar ) . '" class="widgets-sortables">';

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if ( $sidebar_name ) {

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$add_to = sprintf(

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/* translators: %s: Widgets sidebar name. */

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__( 'Add to: %s' ),

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$sidebar_name

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);

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?>

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<div class="sidebar-name" data-add-to="<?php echo esc_attr( $add_to ); ?>">

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<button type="button" class="handlediv hide-if-no-js" aria-expanded="true">

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<span class="screen-reader-text"><?php echo esc_html( $sidebar_name ); ?></span>

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<span class="toggle-indicator" aria-hidden="true"></span>

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</button>

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<h2><?php echo esc_html( $sidebar_name ); ?> <span class="spinner"></span></h2>

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</div>

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<?php

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}

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if ( ! empty( $description ) ) {

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?>

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<div class="sidebar-description">

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<p class="description"><?php echo $description; ?></p>

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</div>

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<?php

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}

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dynamic_sidebar( $sidebar );

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echo '</div>';

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}

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/**

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* Retrieves the widget control arguments.

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*

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* @since 2.5.0

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*

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* @global array $wp_registered_widgets

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*

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* @param array $params

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* @return array

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*/

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function wp_list_widget_controls_dynamic_sidebar( $params ) {

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global $wp_registered_widgets;

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static $i = 0;

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$i++;

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$widget_id = $params[0]['widget_id'];

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$id = isset( $params[0]['_temp_id'] ) ? $params[0]['_temp_id'] : $widget_id;

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$hidden = isset( $params[0]['_hide'] ) ? ' style="display:none;"' : '';

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$params[0]['before_widget'] = "<div id='widget-{$i}_{$id}' class='widget'$hidden>";

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$params[0]['after_widget'] = '</div>';

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$params[0]['before_title'] = '%BEG_OF_TITLE%'; // Deprecated.

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$params[0]['after_title'] = '%END_OF_TITLE%'; // Deprecated.

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if ( is_callable( $wp_registered_widgets[ $widget_id ]['callback'] ) ) {

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$wp_registered_widgets[ $widget_id ]['_callback'] = $wp_registered_widgets[ $widget_id ]['callback'];

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$wp_registered_widgets[ $widget_id ]['callback'] = 'wp_widget_control';

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}

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return $params;

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}

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/**

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* @global array $wp_registered_widgets

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*

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* @param string $id_base

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* @return int

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*/

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function next_widget_id_number( $id_base ) {

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global $wp_registered_widgets;

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$number = 1;

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foreach ( $wp_registered_widgets as $widget_id => $widget ) {

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if ( preg_match( '/' . $id_base . '-([0-9]+)$/', $widget_id, $matches ) ) {

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$number = max( $number, $matches[1] );

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}

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}

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$number++;

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return $number;

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}

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/**

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* Meta widget used to display the control form for a widget.

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*

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* Called from dynamic_sidebar().

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*

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* @since 2.5.0

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*

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* @global array $wp_registered_widgets

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* @global array $wp_registered_widget_controls

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* @global array $sidebars_widgets

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*

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* @param array $sidebar_args

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* @return array

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*/

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function wp_widget_control( $sidebar_args ) {

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global $wp_registered_widgets, $wp_registered_widget_controls, $sidebars_widgets;

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$widget_id = $sidebar_args['widget_id'];

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$sidebar_id = isset( $sidebar_args['id'] ) ? $sidebar_args['id'] : false;

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$key = $sidebar_id ? array_search( $widget_id, $sidebars_widgets[ $sidebar_id ], true ) : '-1'; // Position of widget in sidebar.

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$control = isset( $wp_registered_widget_controls[ $widget_id ] ) ? $wp_registered_widget_controls[ $widget_id ] : array();

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$widget = $wp_registered_widgets[ $widget_id ];

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$id_format = $widget['id'];

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$widget_number = isset( $control['params'][0]['number'] ) ? $control['params'][0]['number'] : '';

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$id_base = isset( $control['id_base'] ) ? $control['id_base'] : $widget_id;

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$width = isset( $control['width'] ) ? $control['width'] : '';

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$height = isset( $control['height'] ) ? $control['height'] : '';

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$multi_number = isset( $sidebar_args['_multi_num'] ) ? $sidebar_args['_multi_num'] : '';

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$add_new = isset( $sidebar_args['_add'] ) ? $sidebar_args['_add'] : '';

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$before_form = isset( $sidebar_args['before_form'] ) ? $sidebar_args['before_form'] : '<form method="post">';

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$after_form = isset( $sidebar_args['after_form'] ) ? $sidebar_args['after_form'] : '</form>';

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$before_widget_content = isset( $sidebar_args['before_widget_content'] ) ? $sidebar_args['before_widget_content'] : '<div class="widget-content">';

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$after_widget_content = isset( $sidebar_args['after_widget_content'] ) ? $sidebar_args['after_widget_content'] : '</div>';

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$query_arg = array( 'editwidget' => $widget['id'] );

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if ( $add_new ) {

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$query_arg['addnew'] = 1;

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if ( $multi_number ) {

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$query_arg['num'] = $multi_number;

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$query_arg['base'] = $id_base;

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}

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} else {

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$query_arg['sidebar'] = $sidebar_id;

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$query_arg['key'] = $key;

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}

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/*

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* We aren't showing a widget control, we're outputting a template

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* for a multi-widget control.

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*/

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if ( isset( $sidebar_args['_display'] ) && 'template' === $sidebar_args['_display'] && $widget_number ) {

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// number == -1 implies a template where id numbers are replaced by a generic '__i__'.

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$control['params'][0]['number'] = -1;

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// With id_base widget id's are constructed like {$id_base}-{$id_number}.

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if ( isset( $control['id_base'] ) ) {

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$id_format = $control['id_base'] . '-__i__';

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}

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}

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$wp_registered_widgets[ $widget_id ]['callback'] = $wp_registered_widgets[ $widget_id ]['_callback'];

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unset( $wp_registered_widgets[ $widget_id ]['_callback'] );

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$widget_title = esc_html( strip_tags( $sidebar_args['widget_name'] ) );

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$has_form = 'noform';

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echo $sidebar_args['before_widget'];

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?>

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<div class="widget-top">

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<div class="widget-title-action">

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<button type="button" class="widget-action hide-if-no-js" aria-expanded="false">

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<span class="screen-reader-text edit">

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<?php

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/* translators: %s: Widget title. */

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printf( __( 'Edit widget: %s' ), $widget_title );

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?>

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</span>

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<span class="screen-reader-text add">

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<?php

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/* translators: %s: Widget title. */

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printf( __( 'Add widget: %s' ), $widget_title );

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?>

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</span>

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<span class="toggle-indicator" aria-hidden="true"></span>

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</button>

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<a class="widget-control-edit hide-if-js" href="<?php echo esc_url( add_query_arg( $query_arg ) ); ?>">

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<span class="edit"><?php _ex( 'Edit', 'widget' ); ?></span>

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<span class="add"><?php _ex( 'Add', 'widget' ); ?></span>

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<span class="screen-reader-text"><?php echo $widget_title; ?></span>

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</a>

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</div>

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<div class="widget-title"><h3><?php echo $widget_title; ?><span class="in-widget-title"></span></h3></div>

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</div>

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<div class="widget-inside">

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<?php echo $before_form; ?>

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<?php echo $before_widget_content; ?>

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<?php

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if ( isset( $control['callback'] ) ) {

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$has_form = call_user_func_array( $control['callback'], $control['params'] );

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} else {

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echo "\t\t<p>" . __( 'There are no options for this widget.' ) . "</p>\n";

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}

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$noform_class = '';

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if ( 'noform' === $has_form ) {

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$noform_class = ' widget-control-noform';

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}

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?>

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<?php echo $after_widget_content; ?>

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<input type="hidden" name="widget-id" class="widget-id" value="<?php echo esc_attr( $id_format ); ?>" />

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<input type="hidden" name="id_base" class="id_base" value="<?php echo esc_attr( $id_base ); ?>" />

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<input type="hidden" name="widget-width" class="widget-width" value="<?php echo esc_attr( $width ); ?>" />

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<input type="hidden" name="widget-height" class="widget-height" value="<?php echo esc_attr( $height ); ?>" />

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<input type="hidden" name="widget_number" class="widget_number" value="<?php echo esc_attr( $widget_number ); ?>" />

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<input type="hidden" name="multi_number" class="multi_number" value="<?php echo esc_attr( $multi_number ); ?>" />

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<input type="hidden" name="add_new" class="add_new" value="<?php echo esc_attr( $add_new ); ?>" />

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<div class="widget-control-actions">

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<div class="alignleft">

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<button type="button" class="button-link button-link-delete widget-control-remove"><?php _e( 'Delete' ); ?></button>

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<span class="widget-control-close-wrapper">

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| <button type="button" class="button-link widget-control-close"><?php _e( 'Done' ); ?></button>

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</span>

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</div>

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<div class="alignright<?php echo $noform_class; ?>">

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<?php submit_button( __( 'Save' ), 'primary widget-control-save right', 'savewidget', false, array( 'id' => 'widget-' . esc_attr( $id_format ) . '-savewidget' ) ); ?>

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<span class="spinner"></span>

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</div>

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<br class="clear" />

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</div>

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<?php echo $after_form; ?>

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</div>

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<div class="widget-description">

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<?php

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$widget_description = wp_widget_description( $widget_id );

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echo ( $widget_description ) ? "$widget_description\n" : "$widget_title\n";

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?>

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</div>

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<?php

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echo $sidebar_args['after_widget'];

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return $sidebar_args;

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}

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/**

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* @param string $classes

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* @return string

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*/

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function wp_widgets_access_body_class( $classes ) {

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return "$classes widgets_access ";

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}

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