215 lines
7.2 KiB
PHP
215 lines
7.2 KiB
PHP
<?php
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/**
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* Widget API: Default core widgets
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*
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* @package WordPress
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* @subpackage Widgets
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* @since 2.8.0
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*/
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/** WP_Widget_Pages class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-pages.php' );
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/** WP_Widget_Links class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-links.php' );
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/** WP_Widget_Search class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-search.php' );
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/** WP_Widget_Archives class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-archives.php' );
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/** WP_Widget_Media class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media.php' );
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/** WP_Widget_Media_Audio class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media-audio.php' );
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/** WP_Widget_Media_Image class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media-image.php' );
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/** WP_Widget_Media_Video class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-media-video.php' );
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/** WP_Widget_Meta class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-meta.php' );
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/** WP_Widget_Meta class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-meta.php' );
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/** WP_Widget_Calendar class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-calendar.php' );
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/** WP_Widget_Text class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-text.php' );
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/** WP_Widget_Categories class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-categories.php' );
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/** WP_Widget_Recent_Posts class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-recent-posts.php' );
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/** WP_Widget_Recent_Comments class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-recent-comments.php' );
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/** WP_Widget_RSS class */
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require_once( ABSPATH . WPINC . '/widgets/class-wp-widget-rss.php' );
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/** WP_Widget_Tag_Cloud class */
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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, $this->id_base );
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// Prepare instance data that looks like a normal Text widget.
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$simulated_text_widget_instance = array_merge( $instance, array(
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'text' => isset( $instance['content'] ) ? $instance['content'] : '',
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'filter' => false, // Because wpautop is not applied.
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'visual' => false, // Because it wasn't created in TinyMCE.
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) );
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unset( $simulated_text_widget_instance['content'] ); // Was moved to 'text' prop.
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/** This filter is documented in wp-includes/widgets/class-wp-widget-text.php */
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$content = apply_filters( 'widget_text', $instance['content'], $simulated_text_widget_instance, $this );
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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, $this );
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// Inject the Text widget's container class name alongside this widget's class name for theme styling compatibility.
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$args['before_widget'] = preg_replace( '/(?<=\sclass=["\'])/', 'widget_text ', $args['before_widget'] );
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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 '<div class="textwidget custom-html-widget">'; // The textwidget class is for theme styling compatibility.
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echo $content;
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echo '</div>';
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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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