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<?php |
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namespace Clubdeuce\WPShareThis; |
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/** |
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* Class WP_Share_This |
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* @package Clubdeuce\WPShareThis |
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* |
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* @link http://www.sharethis.com/support/customization/how-to-set-custom-buttons/ |
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*/ |
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class WP_Share_This { |
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/** |
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* @var bool |
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*/ |
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private static $_facebook_og = true; |
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/** |
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* @var string |
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*/ |
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private static $_id = null; |
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/** |
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* @var array |
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*/ |
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private static $_services = array(); |
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/** |
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* |
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*/ |
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public static function initialize() { |
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add_action( 'wp_enqueue_scripts', array( __CLASS__, '_wp_enqueue_scripts' ) ); |
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add_action( 'wp_head', array( __CLASS__, '_wp_head' ) ); |
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} |
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/** |
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* |
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*/ |
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public static function _wp_enqueue_scripts() { |
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$id = self::$_id; |
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wp_enqueue_script('sharethis', "//platform-api.sharethis.com/js/sharethis.js#property={$id}&product=unknown", null, false, true ); |
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} |
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/** |
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* |
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*/ |
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public static function _wp_head() { |
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if ( self::$_facebook_og ) { |
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self::_facebook_og(); |
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} |
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} |
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/** |
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* The ShareThis account id. |
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* |
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* @param string $id |
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*/ |
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public static function register_id( $id ) { |
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self::$_id = $id; |
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} |
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/** |
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* @param string $service |
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* @param array $params |
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*/ |
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public static function register_service( $service, $params = array() ) { |
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self::$_services[ $service ] = $params; |
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} |
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/** |
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* @param \WP_Post|null $post |
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* @param array $args |
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*/ |
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public static function the_sharing_links( $post = null, $args = array() ) { |
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foreach ( self::$_services as $service => $params ) { |
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$args = array_merge( $params, $args ); |
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self::_render_sharing_link( $args, $service, $post ); |
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} |
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} |
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/** |
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* @param array $params |
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* @param string $service |
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* @param \WP_Post $post |
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*/ |
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public static function _render_sharing_link( $params, $service, $post ) { |
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$classes = apply_filters( "wpst_link_classes_{$service}", array() ); |
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// set some defaults |
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$args = wp_parse_args( $params, array( |
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'url' => null, |
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'short_url' => null, |
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'title' => null, |
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'image' => null, |
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'description' => null, |
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'username' => null, |
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'message' => null, |
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'share_count' => true, |
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) ); |
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// if we have a post, we will use post values for the defaults |
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if ( $post instanceof \WP_Post ) { |
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$args = wp_parse_args( $params, array( |
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'url' => get_permalink( $post ), |
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'short_url' => null, |
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'title' => $post->post_title, |
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'image' => null, |
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'description' => get_the_excerpt( $post ), |
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'username' => null, |
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'message' => null, |
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'share_count' => true, |
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) ); |
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if ( has_post_thumbnail( $post ) ) { |
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$args['image'] = get_the_post_thumbnail_url( $post ); |
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} |
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} |
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printf( |
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'<div data-network="%1$s" class="st-custom-button %2$s"%3$s%4$s%5$s%6$s%7$s%8$s%9$s>%10$s%11$s</div>', |
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$service, |
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implode( ' ', apply_filters( 'wpst_link_classes', $classes, $service ) ), |
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self::_item_sharing_property( 'url', $args['url'] ), |
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self::_item_sharing_property( 'short_url', $args['short_url'] ), |
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self::_item_sharing_property( 'title', $args['title'] ), |
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self::_item_sharing_property( 'image', $args['image'] ), |
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self::_item_sharing_property( 'description', $args['description'] ), |
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self::_item_sharing_property( 'username', $args['username'] ), |
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self::_item_sharing_property( 'message', $args['message'] ), |
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apply_filters( 'wpst_link_text', ucfirst( $service ) ), |
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self::_item_sharing_count( $args['share_count'] ) |
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); |
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} |
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/** |
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* @link https://developers.facebook.com/docs/sharing/webmasters#basic |
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*/ |
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private static function _facebook_og() { |
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printf( '<meta property="og:url" content="%1$s" />' . PHP_EOL, self::_og_url() ); |
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print '<meta property="og:type" content="article" />' . PHP_EOL; |
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printf( '<meta property="og:title" content="%1$s" />' . PHP_EOL, self::_og_title() ); |
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if ( ! ( empty( $description = self::_og_description() ) ) ) { |
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printf( '<meta property="og:description" content="%1$s" />' . PHP_EOL, $description ); |
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} |
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if ( $image_url = self::_og_image() ) { |
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printf( '<meta property="og:image" content="%1$s" />' . PHP_EOL, $image_url ); |
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} |
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} |
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/** |
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* @return mixed|void |
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*/ |
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private static function _og_url() { |
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$url = get_permalink(); |
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if ( is_home() || is_front_page() ) { |
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$url = home_url(); |
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} |
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return apply_filters( 'wpst_og_url', esc_url( $url ) ); |
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} |
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/** |
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* @return mixed|void |
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*/ |
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private static function _og_title() { |
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$title = get_the_title(); |
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if ( is_home() || is_front_page() ) { |
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$title = get_bloginfo( 'name' ); |
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} |
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return apply_filters( 'wpst_og_title', wp_kses_post( $title ) ); |
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} |
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/** |
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* @return mixed|void |
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*/ |
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private static function _og_description() { |
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$description = apply_filters( 'the_excerpt', get_the_excerpt() ); |
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if ( is_home() || is_front_page() ) { |
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$description = get_bloginfo( 'description' ); |
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} |
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return apply_filters( 'wpst_og_description', esc_html( $description ) ); |
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} |
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/** |
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* @return mixed|void |
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*/ |
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private static function _og_image() { |
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$image_url = get_the_post_thumbnail_url(); |
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if ( is_home() || is_front_page() ) { |
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$image_url = ''; |
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} |
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return apply_filters( 'wpst_og_image', esc_url( $image_url ) ); |
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} |
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/** |
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* @param string $property |
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* @param string $value |
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* |
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* @return string |
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*/ |
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private static function _item_sharing_property( $property, $value ) { |
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$text = ''; |
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$maybe = apply_filters( "wpst_item_{$property}", $value ); |
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if ( ! empty( $maybe ) ) { |
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$text = sprintf( ' data-%1$s="%2$s" ', str_replace('_', '-', $property ), esc_attr( $maybe ) ); |
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} |
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return $text; |
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} |
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/** |
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* @param bool $show |
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* |
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* @return string |
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*/ |
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private static function _item_sharing_count( $show ) { |
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$text = ''; |
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if ( $show ) { |
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$text = '<span class="count"></span>'; |
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} |
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return $text; |
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} |
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} |
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clubdeuce /
wp-share-this
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