<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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/**

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* Module Name: Image Widget

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* Module Description: Easily add images to your theme's sidebar.

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* Sort Order: 20

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* First Introduced: 1.2

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files.

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add_action( 'widgets_init', 'jetpack_image_widget_init', 11 );

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/**

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* Register the widget for use in Appearance -> Widgets

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*/

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function jetpack_image_widget_init() {

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if ( class_exists( 'WP_Widget_Media_Image' ) && Jetpack_Options::get_option( 'image_widget_migration' ) ) {

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return;

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}

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register_widget( 'Jetpack_Image_Widget' );

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}

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/**

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* Jetpack_Image_Widget main class.

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*/

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class Jetpack_Image_Widget extends WP_Widget {

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/**

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* Register widget with WordPress.

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*/

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public function __construct() {

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parent::__construct(

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'image',

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/** This filter is documented in modules/widgets/facebook-likebox.php */

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apply_filters( 'jetpack_widget_name', esc_html__( 'Image', 'jetpack' ) ),

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array(

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'classname' => 'widget_image',

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'description' => __( 'Display an image in your sidebar', 'jetpack' ),

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'customize_selective_refresh' => true,

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)

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);

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}

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/**

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* Loads file for front-end widget style.

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*

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* @uses wp_enqueue_style(), plugins_url()

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*/

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public function enqueue_style() {

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wp_enqueue_style( 'jetpack_image_widget', plugins_url( 'image-widget/style.css', __FILE__ ), array(), '20140808' );

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}

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/**

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* Front-end display of widget.

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*

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* @see WP_Widget::widget()

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*

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* @param array $args Widget arguments.

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* @param array $instance Saved values from database.

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*/

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public function widget( $args, $instance ) {

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echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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$instance = wp_parse_args(

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$instance,

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array(

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'title' => '',

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'img_url' => '',

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)

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);

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/** This filter is documented in core/src/wp-includes/default-widgets.php */

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$title = apply_filters( 'widget_title', $instance['title'] );

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if ( $title ) {

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echo $args['before_title'] . $title . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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}

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if ( $instance['img_url'] ) {

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// Enqueue front end assets.

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$this->enqueue_style();

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$output = '<img src="' . esc_url( $instance['img_url'] ) . '" ';

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if ( '' !== (string) $instance['alt_text'] ) {

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$output .= 'alt="' . esc_attr( $instance['alt_text'] ) . '" ';

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}

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if ( '' !== (string) $instance['img_title'] ) {

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$output .= 'title="' . esc_attr( $instance['img_title'] ) . '" ';

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}

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if ( '' !== (string) $instance['caption'] ) {

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$output .= 'class="align' . esc_attr( $instance['align'] ) . '" ';

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}

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if ( '' !== (string) $instance['img_width'] ) {

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$output .= 'width="' . esc_attr( $instance['img_width'] ) . '" ';

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}

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if ( '' !== (string) $instance['img_height'] ) {

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$output .= 'height="' . esc_attr( $instance['img_height'] ) . '" ';

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}

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$output .= '/>';

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$output = apply_filters( 'jetpack_image_cdn_content', $output );

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if ( $instance['link'] ) {

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$target = ! empty( $instance['link_target_blank'] )

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? 'target="_blank"'

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: '';

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$output = '<a ' . $target . ' href="' . esc_url( $instance['link'] ) . '">' . $output . '</a>';

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}

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if ( '' !== (string) $instance['caption'] ) {

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/** This filter is documented in core/src/wp-includes/default-widgets.php */

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$caption = apply_filters( 'widget_text', $instance['caption'] );

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$img_width = ( ! empty( $instance['img_width'] ) ? 'style="width: ' . esc_attr( $instance['img_width'] ) . 'px"' : '' );

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$output = '<figure ' . $img_width . ' class="wp-caption align' . esc_attr( $instance['align'] ) . '">

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' . $output . '

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<figcaption class="wp-caption-text">' . $caption . '</figcaption>

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</figure>'; // wp_kses_post caption on update.

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}

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echo '<div class="jetpack-image-container">' . do_shortcode( $output ) . '</div>';

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} elseif ( current_user_can( 'edit_theme_options' ) ) {

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echo '<p>' . wp_kses(

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sprintf(

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/* translators: %s link to the widget settings page. */

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__( 'Image missing or invalid URL. Please check the Image widget URL in your <a href="%s">widget settings</a>.', 'jetpack' ),

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admin_url( 'widgets.php' )

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),

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array(

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'a' => array(

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'href' => array(),

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),

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)

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) . '</p>';

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}

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echo "\n" . $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

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/** This action is documented in modules/widgets/gravatar-profile.php */

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do_action( 'jetpack_stats_extra', 'widget_view', 'image' );

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}

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/**

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* Sanitize widget form values as they are saved.

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*

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* @see WP_Widget::update()

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*

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* @param array $new_instance Values just sent to be saved.

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* @param array $old_instance Previously saved values from database.

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*

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* @return array Updated safe values to be saved.

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*/

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public function update( $new_instance, $old_instance ) {

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$allowed_caption_html = array(

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'a' => array(

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'href' => array(),

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'title' => array(),

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),

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'b' => array(),

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'em' => array(),

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'i' => array(),

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'p' => array(),

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'strong' => array(),

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);

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$instance = $old_instance;

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$instance['title'] = wp_strip_all_tags( $new_instance['title'] );

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$instance['img_url'] = esc_url( trim( $new_instance['img_url'] ) );

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$instance['alt_text'] = wp_strip_all_tags( $new_instance['alt_text'] );

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$instance['img_title'] = wp_strip_all_tags( $new_instance['img_title'] );

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$instance['caption'] = wp_kses( stripslashes( $new_instance['caption'] ), $allowed_caption_html );

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$instance['align'] = $new_instance['align'];

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$instance['link'] = esc_url( trim( $new_instance['link'] ) );

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$instance['link_target_blank'] = isset( $new_instance['link_target_blank'] ) ? (bool) $new_instance['link_target_blank'] : false;

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$new_img_width = absint( $new_instance['img_width'] );

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$new_img_height = absint( $new_instance['img_height'] );

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if ( ! empty( $instance['img_url'] ) && 0 === $new_img_width && 0 === $new_img_height ) {

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// Download the url to a local temp file and then process it with getimagesize so we can optimize browser layout.

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$tmp_file = download_url( $instance['img_url'], 10 );

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if ( ! is_wp_error( $tmp_file ) ) {

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$size = getimagesize( $tmp_file );

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$width = $size[0];

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$instance['img_width'] = absint( $width );

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$height = $size[1];

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$instance['img_height'] = absint( $height );

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wp_delete_file( $tmp_file );

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} else {

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$instance['img_width'] = $new_img_width;

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$instance['img_height'] = $new_img_height;

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}

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} else {

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$instance['img_width'] = $new_img_width;

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$instance['img_height'] = $new_img_height;

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}

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return $instance;

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}

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/**

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* Back end widget form.

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*

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* @see WP_Widget::form()

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*

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* @param array $instance Previously saved values from database.

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* @return string|void

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*/

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public function form( $instance ) {

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// Defaults.

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$instance = wp_parse_args(

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(array) $instance,

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array(

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'title' => '',

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'img_url' => '',

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'alt_text' => '',

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'img_title' => '',

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'caption' => '',

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'align' => 'none',

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'img_width' => '',

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'img_height' => '',

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'link' => '',

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'link_target_blank' => false,

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)

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);

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$title = esc_attr( $instance['title'] );

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$img_url = esc_url( $instance['img_url'], null, 'display' );

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$alt_text = esc_attr( $instance['alt_text'] );

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$img_title = esc_attr( $instance['img_title'] );

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$caption = esc_textarea( $instance['caption'] );

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$align = esc_attr( $instance['align'] );

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$img_width = esc_attr( $instance['img_width'] );

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$img_height = esc_attr( $instance['img_height'] );

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$link_target_blank = checked( $instance['link_target_blank'], true, false );

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$link = esc_url( $instance['link'], null, 'display' );

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echo '<p><label for="' . esc_attr( $this->get_field_id( 'title' ) ) . '">' . esc_html__( 'Widget title:', 'jetpack' ) . '

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<input class="widefat" id="' . esc_attr( $this->get_field_id( 'title' ) ) . '" name="' . esc_attr( $this->get_field_name( 'title' ) ) . '" type="text" value="' . esc_attr( $title ) . '" />

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</label></p>

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<p><label for="' . esc_attr( $this->get_field_id( 'img_url' ) ) . '">' . esc_html__( 'Image URL:', 'jetpack' ) . '

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<input class="widefat" id="' . esc_attr( $this->get_field_id( 'img_url' ) ) . '" name="' . esc_attr( $this->get_field_name( 'img_url' ) ) . '" type="text" value="' . esc_attr( $img_url ) . '" />

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</label></p>

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<p><label for="' . esc_attr( $this->get_field_id( 'alt_text' ) ) . '">' . esc_html__( 'Alternate text:', 'jetpack' ) . ' <a href="https://support.wordpress.com/widgets/image-widget/#image-widget-alt-text" target="_blank">( ? )</a>

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<input class="widefat" id="' . esc_attr( $this->get_field_id( 'alt_text' ) ) . '" name="' . esc_attr( $this->get_field_name( 'alt_text' ) ) . '" type="text" value="' . esc_attr( $alt_text ) . '" />

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</label></p>

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<p><label for="' . esc_attr( $this->get_field_id( 'img_title' ) ) . '">' . esc_html__( 'Image title:', 'jetpack' ) . ' <a href="https://support.wordpress.com/widgets/image-widget/#image-widget-title" target="_blank">( ? )</a>

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<input class="widefat" id="' . esc_attr( $this->get_field_id( 'img_title' ) ) . '" name="' . esc_attr( $this->get_field_name( 'img_title' ) ) . '" type="text" value="' . esc_attr( $img_title ) . '" />

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</label></p>

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<p><label for="' . esc_attr( $this->get_field_id( 'caption' ) ) . '">' . esc_html__( 'Caption:', 'jetpack' ) . ' <a href="https://support.wordpress.com/widgets/image-widget/#image-widget-caption" target="_blank">( ? )</a>

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<textarea class="widefat" id="' . esc_attr( $this->get_field_id( 'caption' ) ) . '" name="' . esc_attr( $this->get_field_name( 'caption' ) ) . '" rows="2" cols="20">' . esc_textarea( $caption ) . '</textarea>

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</label></p>';

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$alignments = array(

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'none' => __( 'None', 'jetpack' ),

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'left' => __( 'Left', 'jetpack' ),

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'center' => __( 'Center', 'jetpack' ),

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'right' => __( 'Right', 'jetpack' ),

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);

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echo '<p><label for="' . esc_attr( $this->get_field_id( 'align' ) ) . '">' . esc_html__( 'Image Alignment:', 'jetpack' ) . '

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<select id="' . esc_attr( $this->get_field_id( 'align' ) ) . '" name="' . esc_attr( $this->get_field_name( 'align' ) ) . '">';

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foreach ( $alignments as $alignment => $alignment_name ) {

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echo '<option value="' . esc_attr( $alignment ) . '" ';

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if ( $alignment === $align ) {

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echo 'selected="selected" ';

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}

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echo '>' . esc_html( $alignment_name ) . "</option>\n";

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}

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echo '</select></label></p>';

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echo '<p><label for="' . esc_attr( $this->get_field_id( 'img_width' ) ) . '">' . esc_html__( 'Width in pixels:', 'jetpack' ) . '

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<input size="3" id="' . esc_attr( $this->get_field_id( 'img_width' ) ) . '" name="' . esc_attr( $this->get_field_name( 'img_width' ) ) . '" type="text" value="' . esc_attr( $img_width ) . '" />

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</label>

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<label for="' . esc_attr( $this->get_field_id( 'img_height' ) ) . '">' . esc_html__( 'Height in pixels:', 'jetpack' ) . '

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<input size="3" id="' . esc_attr( $this->get_field_id( 'img_height' ) ) . '" name="' . esc_attr( $this->get_field_name( 'img_height' ) ) . '" type="text" value="' . esc_attr( $img_height ) . '" />

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</label><br />

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<small>' . esc_html__( 'If empty, we will attempt to determine the image size.', 'jetpack' ) . '</small></p>

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<p><label for="' . esc_attr( $this->get_field_id( 'link' ) ) . '">' . esc_html__( 'Link URL (when the image is clicked):', 'jetpack' ) . '

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<input class="widefat" id="' . esc_attr( $this->get_field_id( 'link' ) ) . '" name="' . esc_attr( $this->get_field_name( 'link' ) ) . '" type="text" value="' . esc_attr( $link ) . '" />

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</label>

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<label for="' . esc_attr( $this->get_field_id( 'link_target_blank' ) ) . '">

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<input type="checkbox" name="' . esc_attr( $this->get_field_name( 'link_target_blank' ) ) . '" id="' . esc_attr( $this->get_field_id( 'link_target_blank' ) ) . '" value="1"' . esc_attr( $link_target_blank ) . '/>

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' . esc_html__( 'Open link in a new window/tab', 'jetpack' ) . '

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</label></p>';

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}

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} // Class Jetpack_Image_Widget

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