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<?php

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/**

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* Facebook Widget Class

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class facebook_widget extends WP_Widget {

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/** constructor */

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function __construct() {

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parent::__construct(

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'fbw_id', // Base ID

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'Facebook Page Like Widget', // Name

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array( 'description' => __( 'Facebook Page Like Widget' , 'facebook-pagelike-widget' ) )

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);

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add_action( 'admin_enqueue_scripts', [ $this, 'load_custom_js' ] );

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}

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function load_custom_js(){

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wp_enqueue_script( 'load-custom-js', plugin_dir_url(__FILE__) . 'admin/assets/js/custom.js' );

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}

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/** @see WP_Widget::widget */

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function widget( $args , $instance ) {

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global $select_lng;

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extract( $args );

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

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$fb_url = $instance['fb_url'];

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$width = $instance['width'];

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$height = $instance['height'];

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$data_small_header = isset( $instance['data_small_header'] ) && $instance['data_small_header'] != '' ? 'true' : 'false';

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$data_adapt_container_width = isset( $instance['data_adapt_container_width'] ) && $instance['data_adapt_container_width'] != '' ? 'true' : 'false';

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$data_hide_cover = isset( $instance['data_hide_cover']) && $instance['data_hide_cover'] != '' ? 'true' : 'false';

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$data_show_facepile = isset( $instance['data_show_facepile']) && $instance['data_show_facepile'] != '' ? 'true' : 'false';

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$select_lng = $instance['select_lng'];

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$data_tabs = 'timeline';

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$data_lazy = isset( $instance['data_lazy'] ) && $instance['data_lazy'] != '' ? 'true' : 'false';

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if (array_key_exists('data_tabs', $instance) && $instance['data_tabs'] !== '') {

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$data_tabs = implode(",", $instance['data_tabs']);

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}

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echo $before_widget;

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if ( $title ) echo $before_title . $title . $after_title;

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wp_register_script( 'scfbwidgetscript' , FB_WIDGET_PLUGIN_URL . 'fb.js', array( 'jquery' ), '1.0' );

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wp_enqueue_script( 'scfbwidgetscript' );

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wp_register_script( 'scfbexternalscript', 'https://connect.facebook.net/'.$select_lng.'/sdk.js#xfbml=1&version=v18.0', "", '2.0', true );

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wp_enqueue_script( 'scfbexternalscript' );

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echo '<div class="fb_loader" style="text-align: center !important;"><img src="' . plugins_url() . '/facebook-pagelike-widget/loader.gif" alt="Facebook Pagelike Widget" /></div>';

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echo '<div id="fb-root"></div>

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<div class="fb-page" data-href="' . $fb_url . '" data-width="' . $width . '" data-height="' . $height . '" data-small-header="' . $data_small_header . '" data-adapt-container-width="' . $data_adapt_container_width . '" data-hide-cover="' . $data_hide_cover . '" data-show-facepile="' . $data_show_facepile . '" hide_cta="false" data-tabs="'. $data_tabs .'" data-lazy="'.$data_lazy.'"></div>';

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echo $after_widget; ?>

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<?php }

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/** @see WP_Widget::update */

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function update( $new_instance, $old_instance ) {

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$instance = $old_instance;

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$instance = array( 'data_small_header' => 'false', 'data_adapt_container_width' => 'true', 'data_hide_cover' => 'false', 'data_show_facepile' => 'false', 'data_tabs' => 'timeline' );

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foreach ( $instance as $field => $val ) {

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if ( isset( $new_instance[$field] ) )

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$instance[$field] = 'true';

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}

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

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$instance['fb_url'] = strip_tags( $new_instance['fb_url'] );

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$instance['width'] = strip_tags( $new_instance['width'] );

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$instance['height'] = strip_tags( $new_instance['height'] );

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$instance['data_small_header'] = strip_tags( $new_instance['data_small_header'] );

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$instance['data_adapt_container_width'] = strip_tags( $new_instance['data_adapt_container_width'] );

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$instance['data_hide_cover'] = strip_tags( $new_instance['data_hide_cover'] );

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$instance['data_show_facepile'] = strip_tags( $new_instance['data_show_facepile'] );

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$instance['select_lng'] = strip_tags( $new_instance['select_lng'] );

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$instance['data_tabs'] = esc_sql( $new_instance['data_tabs'] );

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$instance['data_lazy'] = strip_tags( $new_instance['data_lazy'] );

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return $instance;

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}

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/** @see WP_Widget::form */

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function form( $instance ) {

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/**

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* Set Default Value for widget form

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$defaults = array( 'title' => 'Like Us On Facebook', 'fb_url' => 'https://www.facebook.com/WordPress', 'width' => '300', 'height' => '500', 'data_small_header' => 'false', 'select_lng' => 'en_US', 'data_adapt_container_width' => 'on', 'data_hide_cover' => 'false', 'data_show_facepile' => 'on', 'data_tabs' => 'timeline', 'data_lazy'=> 'false');

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$instance = wp_parse_args( ( array ) $instance, $defaults );

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

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$fb_url = isset( $instance['fb_url'] ) ? esc_attr( $instance['fb_url'] ) : "http://www.facebook.com/WordPress";

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

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

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$data_tabs = isset( $instance['data_tabs'] ) ? ( $instance['data_tabs'] ) : "timeline";

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<p>

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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'facebook-pagelike-widget' ); ?></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 $title; ?>" />

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</p>

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<p>

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<label for="<?php echo $this->get_field_id( 'fb_url' ); ?>"><?php _e( 'Facebook Page Url:', 'facebook-pagelike-widget' ); ?></label>

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<input class="widefat" id="<?php echo $this->get_field_id( 'fb_url' ); ?>" name="<?php echo $this->get_field_name( 'fb_url' ); ?>" type="text" value="<?php echo $fb_url; ?>" />

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<?php _e( 'Works with only' ); ?>

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<?php _e( 'Valid Facebook Pages!' ); ?>

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</a>

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</small>

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</p>

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<p>

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<?php

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if( $instance ) {

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$select = $instance['data_tabs'];

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}

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else {

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$select = "timeline";

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}

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if(is_string($select)) {

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$select = array($select);

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}

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<label for="<?php echo $this->get_field_id( 'data_tabs' ); ?>"><?php _e( 'Tabs:', 'facebook-pagelike-widget' ); ?></label>

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<?php

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printf(

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'<select multiple="multiple" name="%s[]" id="%s">',

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$this->get_field_name('data_tabs'),

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$this->get_field_id('data_tabs')

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);

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$tabs = array( 'timeline','events','messages' );

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foreach( $tabs as $tab )

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{

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printf(

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'<option value="%s" class="hot-topic" %s style="margin-bottom:3px;">%s</option>',

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$tab,

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in_array( $tab, $select) ? 'selected="selected"' : '',

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$tab

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);

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}

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echo '</select>';

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</p>

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<p>

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<input class="checkbox" type="checkbox" <?php checked( $instance['data_hide_cover'], "on" ) ?> id="<?php echo $this->get_field_id( 'data_hide_cover' ); ?>" name="<?php echo $this->get_field_name( 'data_hide_cover' ); ?>" />

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<label for="<?php echo $this->get_field_id( 'data_hide_cover' ); ?>" title="Hide the cover photo in the header"><?php _e( 'Hide Cover Photo', 'facebook-pagelike-widget' ); ?></label>

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</p>

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<p>

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<input class="checkbox" type="checkbox" <?php checked( $instance['data_show_facepile'], "on" ) ?> id="<?php echo $this->get_field_id( 'data_show_facepile' ); ?>" name="<?php echo $this->get_field_name( 'data_show_facepile' ); ?>" />

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<label for="<?php echo $this->get_field_id( 'data_show_facepile' ); ?>" title="Show profile photos when friends like this"><?php _e( "Show Friend's Faces", 'facebook-pagelike-widget' ); ?></label>

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</p>

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<p>

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<input class="checkbox" type="checkbox" <?php checked( $instance['data_small_header'], "on" ) ?> id="<?php echo $this->get_field_id( 'data_small_header' ); ?>" name="<?php echo $this->get_field_name( 'data_small_header' ); ?>" />

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<label for="<?php echo $this->get_field_id( 'data_small_header' ); ?>" title="Uses a smaller version of the page header"><?php _e( 'Show Small Header', 'facebook-pagelike-widget' ); ?></label>

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</p>

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<p>

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<input onclick="showWidth();" class="checkbox" type="checkbox" <?php checked( $instance['data_adapt_container_width'], "on" ) ?> id="<?php echo $this->get_field_id( 'data_adapt_container_width' ); ?>" name="<?php echo $this->get_field_name( 'data_adapt_container_width' ); ?>" />

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<label for="<?php echo $this->get_field_id( 'data_adapt_container_width' ); ?>" title="Plugin will try to fit inside the container"><?php _e( 'Adapt To Plugin Container Width', 'facebook-pagelike-widget' ); ?></label>

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</p>

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<label for="<?php echo $this->get_field_id( 'width' ); ?>"><?php _e( 'Set Width:', 'facebook-pagelike-widget' ); ?></label>

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<input size="19" id="<?php echo $this->get_field_id( 'width' ); ?>" name="<?php echo $this->get_field_name( 'width' ); ?>" type="text" value="<?php echo $width; ?>" placeholder="Min. 180 to Max. 500" />

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</p>

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<p>

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<input class="checkbox" type="checkbox" <?php checked( $instance['data_lazy'], "on" ) ?> id="<?php echo $this->get_field_id( 'data_lazy' ); ?>" name="<?php echo $this->get_field_name( 'data_lazy' ); ?>" />

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<label for="<?php echo $this->get_field_id( 'data_lazy' ); ?>" title="true means use the browser's lazy-loading mechanism by setting the loading=lazy iframe attribute. The effect is that the browser does not render the plugin if it's not close to the viewport and might never be seen."><?php _e( 'Enable Lazy Loading', 'facebook-pagelike-widget' ); ?></label>

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</p>

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<p>

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<label for="<?php echo $this->get_field_id( 'height' ); ?>"><?php _e( 'Set Height:', 'facebook-pagelike-widget' ); ?></label>

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<input size="19" id="<?php echo $this->get_field_id( 'height' ); ?>" name="<?php echo $this->get_field_name( 'height' ); ?>" type="text" value="<?php echo $height; ?>" placeholder="Min. 70" />

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</p>

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<?php

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$filename = __DIR__.'/FacebookLocales.json';

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if (ini_get( 'allow_url_fopen') ) {

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if(file_exists( $filename) ) {

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$langs = file_get_contents( $filename );

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$jsoncont = json_decode( $langs );

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<p>

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<label for="<?php echo $this->get_field_id( 'select_lng' ); ?>"><?php _e( 'Language:', 'facebook-pagelike-widget' ); ?></label>

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<select name="<?php echo $this->get_field_name( 'select_lng' ); ?>" id="<?php echo $this->get_field_id( 'select_lng' ); ?>">

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<?php

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if ( !empty( $jsoncont ) ) {

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foreach ( $jsoncont as $languages => $short_name ) { ?>

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<?php

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}

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}

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</select>

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</p>

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<?php

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}

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} else {

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<p>Your PHP configuration does not allow to read <a href="<?php echo plugin_dir_url( __FILE__ ).'FacebookLocales.json';?>" target="_blank">this</a> file.

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To unable language option, enable <a href="http://php.net/manual/en/filesystem.configuration.php#ini.allow-url-fopen" target="_blank"><b>allow_url_fopen</b></a> in your server configuration.

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</p>

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<?php

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}

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function showWidth() {

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if (jQuery( ".width_option" ).hasClass( 'hideme' ) )

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jQuery( ".width_option" ).removeClass( 'hideme' );

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else

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jQuery( ".width_option" ).addClass( 'hideme' );

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}

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</script>

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<?php

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}

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}

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add_action( 'widgets_init', function() {

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return register_widget( "facebook_widget" );

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});

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