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better-twitter-widget.php
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713
better-twitter-widget.php
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<?php
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/*
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Plugin Name: Better Twitter Widget
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Plugin URI: http://mehl.mx
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Description: RSS Widget optimised for Twitter RSS feeds. Enhancement of GrandSlambert's Better RSS Widget
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Author: Max Mehl
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Version: 1.0
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Author URI: http://mehl.mx
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* *************************************************************************
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Copyright (C) 2016 Max Mehl
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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* *************************************************************************
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*/
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/* Class Declaration */
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class better_twitter_widget extends WP_Widget {
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var $version = '2.7.1';
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/* Plugin settings */
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var $optionsName = 'better-twitter-widget-options';
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var $menuName = 'better-twitter-widget-settings';
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var $pluginName = 'Better Twitter Widget';
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var $options = array();
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var $make_link = false;
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/**
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* Plugin Constructor Method
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*/
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function better_twitter_widget() {
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add_action('init', array($this, 'init'));
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/* Set the plugin name to use the selected language. */
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$this->pluginName = __('Better Twitter Widget', 'better-twitter-widget');
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$widget_ops = array('description' => __('Enhancement of Better RSS Widget, focussed on plain Twitter feeds', 'better-twitter-widget'));
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$control_ops = array('width' => 500, 'height' => 350);
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parent::WP_Widget(false, $this->pluginName, $widget_ops, $control_ops);
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/* Plugin paths */
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$this->pluginPath = WP_PLUGIN_DIR . '/' . basename(dirname(__FILE__));
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$this->pluginURL = WP_PLUGIN_URL . '/' . basename(dirname(__FILE__));
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/* Load the plugin settings */
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$this->load_settings();
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/* WordPress Actions */
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add_action('admin_menu', array(&$this, 'admin_menu'));
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add_action('admin_init', array(&$this, 'admin_init'));
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add_action('update_option_' . $this->optionsName, array(&$this, 'update_option'), 10);
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/* WordPress FIlters */
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add_filter('plugin_action_links', array(&$this, 'plugin_action_links'), 10, 2);
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/* Add shortcode_handlers */
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add_shortcode('better-rss', array($this, 'shortcode_handler'));
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}
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/**
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* Load the plugin settings.
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*/
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function load_settings() {
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$options = get_option($this->optionsName);
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$defaults = array(
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'link_target' => '_blank',
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'allow_intro' => (is_array($options)) ? isset($options['allow_intro']) : true,
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'show_summary' => false,
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'show_author' => false,
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'show_date' => false,
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'show_time' => false,
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'nofollow' => false,
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'enable_cache' => (is_array($options)) ? isset($options['enable_cache']) : true,
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'cache_duration' => 3600,
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'items' => 10,
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'title_length' => (is_array($options) && !empty($options['title_length'])) ? isset($options['title_length']) : 0,
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'excerpt' => 360,
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'suffix' => ' […]'
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);
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$this->options = (object) wp_parse_args($options, $defaults);
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}
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/**
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* Load the language file during WordPress init.
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*/
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function init() {
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/* Load Langague Files */
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$langDir = dirname(plugin_basename(__FILE__)) . '/lang';
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load_plugin_textdomain('better-twitter-widget', false, $langDir, $langDir);
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}
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/**
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* Add the admin page for the settings panel.
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*
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* @global string $wp_version
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*/
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function admin_menu() {
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$page = add_options_page($this->pluginName . __(' Settings', 'better-twitter-widget'), $this->pluginName, 'manage_options', $this->menuName, array(&$this, 'options_panel'));
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add_action('admin_print_styles-' . $page, array(&$this, 'admin_print_styles'));
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add_action('admin_print_scripts-' . $page, array(&$this, 'admin_print_scripts'));
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}
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/**
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* Register the options for Wordpress MU Support
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*/
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function admin_init() {
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register_setting($this->optionsName, $this->optionsName);
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wp_register_style('better-twitter-widget-admin-css', $this->pluginURL . '/includes/better-twitter-widget-admin.css');
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wp_register_script('better-twitter-widget-js', $this->pluginURL . '/js/better-twitter-widget.js');
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}
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/**
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* Print the administration styles.
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*/
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function admin_print_styles() {
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wp_enqueue_style('better-twitter-widget-admin-css');
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}
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/**
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* Print the scripts needed for the admin.
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*/
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function admin_print_scripts() {
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wp_enqueue_script('better-twitter-widget-js');
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}
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/**
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* Add a configuration link to the plugins list.
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*
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* @staticvar object $this_plugin
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* @param array $links
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* @param array $file
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* @return array
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*/
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function plugin_action_links($links, $file) {
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static $this_plugin;
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if (!$this_plugin) {
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$this_plugin = plugin_basename(__FILE__);
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}
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if ($file == $this_plugin) {
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$settings_link = '<a href="' . admin_url('options-general.php?page=' . $this->menuName) . '">' . __('Settings', 'better-twitter-widget') . '</a>';
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array_unshift($links, $settings_link);
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}
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return $links;
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}
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/**
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* Check on update option to see if we need to reset the options.
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* @param <array> $input
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* @return <boolean>
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*/
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function update_option($input) {
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if ($_REQUEST['confirm-reset-options']) {
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delete_option($this->optionsName);
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wp_redirect(admin_url('options-general.php?page=' . $this->menuName . '&tab=' . $_POST['active_tab'] . '&reset=true'));
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exit();
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} else {
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wp_redirect(admin_url('options-general.php?page=' . $this->menuName . '&tab=' . $_POST['active_tab'] . '&updated=true'));
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exit();
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}
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}
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/**
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* Settings management panel.
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*/
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function options_panel() {
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include($this->pluginPath . '/includes/settings.php');
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}
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/**
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* Method to create the widget.
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*
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* @param array $args
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* @param array $instance
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* @return false
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*/
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function widget($args, $instance) {
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$instance = $this->defaults($instance);
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if (isset($instance['error']) && $instance['error'])
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return;
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extract($args, EXTR_SKIP);
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$url = $instance['rss_url'];
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while (stristr($url, 'http') != $url)
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$url = substr($url, 1);
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if (empty($url)) {
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return;
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}
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$rss = fetch_feed($url);
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$desc = '';
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$link = '';
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if (!is_wp_error($rss)) {
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$desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
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if (empty($instance['title'])) {
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$instance['title'] = esc_html(strip_tags($rss->get_title()));
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}
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$link = esc_url(strip_tags($rss->get_permalink()));
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while (stristr($link, 'http') != $link) {
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$link = substr($link, 1);
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}
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}
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if (empty($instance['title'])) {
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$instance['title'] = empty($desc) ? __('Unknown Feed', 'better-twitter-widget') : $desc;
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}
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$instance['title'] = apply_filters('widget_title', $instance['title']);
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$url = esc_url(strip_tags($url));
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$icon = includes_url('images/rss.png');
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if ($instance['title_url']) {
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$url = $link = $instance['title_url'];
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}
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$target = '';
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if ($instance['link_target'] != 'none') {
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$target = 'target="' . $instance['link_target'] . '"';
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}
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if ($instance['title']) {
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if (!$instance['no_link_title']) {
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$instance['title'] = '<a class="rsswidget" href="' . $link . '" title="' . $desc . '" ' . $target . '>' . $instance['title'] . '</a>';
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}
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if ($instance['show_icon']) {
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$instance['title'] = "<a class='rsswidget' href='" . $instance[$instance['link_icon']] . "' title='" . esc_attr(__('Syndicate this content', 'better-twitter-widget')) . "' . $target . '><img style='background:orange;color:white;border:none;' width='14' height='14' src='$icon' alt='RSS' /></a> " . $instance['title'];
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}
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}
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print $before_widget;
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if ($instance['title']) {
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print $before_title . $instance['title'] . $after_title;
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}
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if (true == $this->options->allow_intro && !empty($instance['intro_text'])) {
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print '<div class="better-rss-intro-text">' . $instance['intro_text'] . '</div>';
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}
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$this->rss_output($rss, $instance);
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print $after_widget;
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}
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/**
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* Method to output the RSS for the widget and shortcode_handler
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*
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* @param string $rss
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* @param array $args
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* @return blank
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*/
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function rss_output($rss, $args = array()) {
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if (is_string($rss)) {
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$rss = fetch_feed($rss);
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} elseif (is_array($rss) && isset($rss['url'])) {
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$args = $rss;
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$rss = fetch_feed($rss['url']);
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} elseif (!is_object($rss)) {
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return;
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}
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if (is_wp_error($rss)) {
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if (is_admin() || current_user_can('manage_options')) {
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print '<p>' . sprintf(__('<strong>RSS Error</strong>: %s', 'better-twitter-widget'), $rss->get_error_message()) . '</p>';
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}
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return;
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}
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$args = wp_parse_args($args, $this->defaults_args());
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extract($args, EXTR_SKIP);
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$items = (int) $items;
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if ($items < 1 || 20 < $items) {
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$items = 10;
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}
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$show_summary = (int) $show_summary;
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$show_author = (int) $show_author;
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$show_date = (int) $show_date;
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// Set the cache duration
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$rss->enable_cache($enable_cache);
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$rss->set_cache_duration($cache_duration);
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$rss->init();
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if (!$rss->get_item_quantity()) {
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print '<ul><li>' . __('An error has occurred; the feed is probably down. Try again later.', 'better-twitter-widget') . '</li></ul>';
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return;
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}
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if (strtolower($link_target) != 'none') {
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$target = 'target="' . $link_target . '"';
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} else {
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$target = '';
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}
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print '<' . $args['html_parent'] . '>';
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foreach ($rss->get_items(0, $items) as $item) {
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$link = $item->get_link();
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while (stristr($link, 'http') != $link) {
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$link = substr($link, 1);
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}
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$link = esc_url(strip_tags($link));
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$title = esc_attr(strip_tags($item->get_title()));
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if (empty($title)) {
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$title = __('Untitled', 'better-twitter-widget');
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}
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$desc = str_replace(array("\n", "\r"), ' ', esc_attr(strip_tags(@html_entity_decode($item->get_description(), ENT_QUOTES, get_option('blog_charset')))));
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// BUG -- CUSTOM comment out
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/*if (!$hide_title) {
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$desc = wp_html_excerpt($desc, $excerpt) . $this->options->suffix;
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$desc = esc_html($desc);
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}*/
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$desc = esc_html($desc);
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if ($show_summary) {
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$summary = "<div class='rssSummary'>$desc</div>";
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} else {
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$summary = '';
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}
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$date = '';
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if ($show_date) {
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$date = $item->get_date();
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if ($date) {
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if ($date_stamp = strtotime($date))
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$date = ' <span class="rss-date">' . date_i18n(get_option('date_format'), $date_stamp) . '</span>';
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else
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$date = '';
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}
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}
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$time = '';
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if ($show_time) {
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$time = $item->get_date();
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if ($time) {
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if ($date_stamp = strtotime($time)) {
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$time = ' <span class="rss-date">' . date_i18n(get_option('time_format'), $date_stamp) . '</span>';
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} else {
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$time = '';
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}
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}
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}
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$author = '';
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if ($show_author) {
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$author = $item->get_author();
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if (is_object($author)) {
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$author = $author->get_name();
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$author = ' <cite>' . esc_html(strip_tags($author)) . '</cite>';
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}
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}
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if ($hide_title && $item->get_description()) {
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$title = $item->get_description();
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}
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if (true == $args['limit_title_length'] && $args['title_length'] > 0) {
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$title = substr($title, 0, $args['title_length']);
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}
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if ($args['html_parent'] === 'dl') {
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$html_open = '<dt>';
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$html_after_title = '</dt>';
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$html_before_details = '<dd>';
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$html_close = '</dd>';
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} else {
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$html_open = '<' . $args['html_item'] . '>';
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$html_after_title = '';
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$html_before_details = '';
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$html_close = '</' . $args['html_item'] . '>';
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}
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if ($link == '' or $hide_link) {
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print $html_open . $title . $html_after_title;
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print $html_before_details . $date . $summary . $author . $html_close;
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} else {
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/* ORIG
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print $html_open . '<a ';
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if ($nofollow) {
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print ' rel="nofollow" ';
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}
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print 'class="rsswidget" href="' . $link . '" title="' . $desc . '"' . $target . '>' . $title . '</a>' . $html_after_title;
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//print $html_before_details . $date . $time . $summary . $author . $html_close;
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print $html_close;
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======================= */
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$search = array();
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$search[0] = '/([\s>\-\.])#([[:alnum:]öäü]+)/i'; // text #hash text; >#hash text
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$search[1] = '/([\s>\-\.])@([[:alnum:]_]+)/'; // @user
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$search[2] = '/([\s>\-\.])(https?:[\/[:alnum:]\.\?\&#\=\%\+\-]+)/'; // http...
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$replace = array();
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$replace[0] = '$1<a target="_blank" href="http://twitter.com/search?q=%23$2">#$2</a>';
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$replace[1] = '$1<a target="_blank" href="http://twitter.com/$2">@$2</a>';
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$replace[2] = '$1<a target="_blank" href="$2">$2</a>';
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$extsummary = preg_replace($search, $replace, $summary);
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// get tweet ID
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$tid = preg_match('/(\d)+$/', $link, $match);
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$tid = $match[0];
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// li + text
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print $html_open . $extsummary ;
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print '<span style="opacity: 0.7;font-size: 0.9em;">' . $date . '</span>';
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// Action bar
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print '<span style="float:right;padding-right:20px;">';
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// reply icon
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print '<a rel="nofollow" title="Reply to this tweet" target="_blank" href="https://twitter.com/intent/tweet?in_reply_to=' . $tid . '" style="border:none;padding:0 5px;"><img src="' . plugins_url( 'img/reply.png', __FILE__ ) . '" style="height:15px;width:15px;opacity:0.5;"/></a>';
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// retweet icon
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print '<a rel="nofollow" title="Retweet this tweet" target="_blank" href="https://twitter.com/intent/retweet?tweet_id=' . $tid . '" style="border:none;padding:0 5px;"><img src="' . plugins_url( 'img/retweet.png', __FILE__ ) . '" style="height:15px;width:15px;opacity:0.5;"/></a>';
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// like icon
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print '<a rel="nofollow" title="Like this tweet" target="_blank" href="https://twitter.com/intent/favorite?tweet_id=' . $tid . '" style="border:none;padding:0 5px;"><img src="' . plugins_url( 'img/like.png', __FILE__ ) . '" style="height:15px;width:15px;opacity:0.5;"/></a>';
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||||
// view on twitter icon
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print '<a rel="nofollow" title="View this tweet on Twitter" target="_blank" href="' . $link . '" style="border:none;padding:0 5px;"><img src="' . plugins_url( 'img/view.png', __FILE__ ) . '" style="height:15px;width:15px;opacity:0.5;"/></a>';
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||||
print '</span>'; // close action bar
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||||
|
||||
// close li
|
||||
print $html_close;
|
||||
}
|
||||
}
|
||||
print '</' . $args['html_parent'] . '>';
|
||||
}
|
||||
|
||||
/**
|
||||
* Widget Update method
|
||||
* @param array $new_instance
|
||||
* @param array $old_instance
|
||||
* @return array
|
||||
*/
|
||||
function update($new_instance, $old_instance) {
|
||||
return $new_instance;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load the instance defaults.
|
||||
*
|
||||
* @param array $instance
|
||||
* @return array
|
||||
*/
|
||||
function defaults($instance) {
|
||||
|
||||
/* Fix any old instances to use new naming convention. */
|
||||
if (isset($instance['url'])) {
|
||||
$instance['rss-url'] = $instance['url'];
|
||||
$instance['title_url'] = $instance['titleurl'];
|
||||
$instance['show_icon'] = $instance['showicon'];
|
||||
$instance['show_summary'] = $instance['showsummary'];
|
||||
$instance['show_author'] = $instance['showauthor'];
|
||||
$instance['show_date'] = $instance['showdate'];
|
||||
$instance['show_time'] = $instance['showtime'];
|
||||
$instance['link_target'] = $instance['linktarget'];
|
||||
$instance['title_legnth'] = (isset($instance['title_length']) ? $instance['title_length'] : $this->options->title_length);
|
||||
}
|
||||
|
||||
/* This is the new naming convention for the form fields */
|
||||
$new_defaults = array(
|
||||
'rss_url' => '',
|
||||
'title' => '',
|
||||
'title_url' => '',
|
||||
'no_link_title' => false,
|
||||
'show_icon' => false,
|
||||
'link_icon' => 'rss_url',
|
||||
'show_summary' => $this->options->show_summary,
|
||||
'show_author' => $this->options->show_author,
|
||||
'show_date' => $this->options->show_date,
|
||||
'show_time' => $this->options->show_time,
|
||||
'link_target' => $this->options->link_target,
|
||||
'nofollow' => $this->options->nofollow,
|
||||
'enable_cache' => $this->options->enable_cache,
|
||||
'cache_duration' => $this->options->cache_duration,
|
||||
'is_home' => $this->options->is_home_default,
|
||||
'is_front' => $this->options->is_front_default,
|
||||
'is_archive' => $this->options->is_archive_default,
|
||||
'is_search' => $this->options->is_search_default,
|
||||
'is_category' => $this->options->is_category_default,
|
||||
'is_tag' => $this->options->is_tag_default,
|
||||
'is_single' => $this->options->is_single_default,
|
||||
'is_date' => $this->options->is_date_default,
|
||||
'title_length' => $this->options->title_length,
|
||||
'excerpt' => $this->options->excerpt,
|
||||
'items' => $this->options->items
|
||||
);
|
||||
|
||||
return wp_parse_args($instance, $new_defaults);
|
||||
}
|
||||
|
||||
/**
|
||||
* Widget form.
|
||||
*
|
||||
* @param array $instance
|
||||
*/
|
||||
function form($instance) {
|
||||
if (count($instance) < 1) {
|
||||
$instance = $this->defaults($instance);
|
||||
}
|
||||
include( $this->pluginPath . '/includes/widget-form.php');
|
||||
}
|
||||
|
||||
/**
|
||||
* Method for the [better-rss] short code.
|
||||
*
|
||||
* @param array $atts
|
||||
* @return string
|
||||
*/
|
||||
function shortcode_handler($atts) {
|
||||
global $post;
|
||||
|
||||
$atts = (object) wp_parse_args($atts, $this->defaults_args());
|
||||
|
||||
if (!$atts->feed) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if ($atts->use_title) {
|
||||
$add_url[] = str_replace(' ', '+', $post->post_title);
|
||||
}
|
||||
|
||||
if ($atts->use_tags) {
|
||||
foreach (get_the_tags() as $tag) {
|
||||
$add_url[] = str_replace(' ', '+', $tag->name);
|
||||
}
|
||||
}
|
||||
|
||||
if (isset($add_url) and is_array($add_url)) {
|
||||
$atts->feed = $atts->feed . implode('+', $add_url);
|
||||
}
|
||||
|
||||
ob_start();
|
||||
$this->rss_output($atts->feed, $atts);
|
||||
$output.= ob_get_contents();
|
||||
ob_end_clean();
|
||||
|
||||
return $output;
|
||||
}
|
||||
|
||||
function defaults_args() {
|
||||
return array(
|
||||
// Query Attributes
|
||||
'feed' => NULL,
|
||||
'use_title' => false,
|
||||
'use_tags' => false,
|
||||
'use_category' => false,
|
||||
'items' => 10,
|
||||
'hide_title' => false,
|
||||
'hide_link' => false,
|
||||
'show_author' => $this->options->show_author,
|
||||
'show_date' => $this->options->show_author,
|
||||
'show_time' => $this->options->show_time,
|
||||
'show_summary' => $this->options->show_summary,
|
||||
'link_target' => $this->options->link_target,
|
||||
'nofollow' => $this->options->nofollow,
|
||||
'cache_duration' => $this->options->cache_duration,
|
||||
'excerpt' => $this->options->excerpt,
|
||||
'html_parent' => 'ul',
|
||||
'html_item' => 'li'
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an object with all of the post types.
|
||||
*
|
||||
* @return object
|
||||
*/
|
||||
function get_post_types($args = array()) {
|
||||
if (function_exists('get_post_types')) {
|
||||
$post_types = get_post_types(array('public' => true));
|
||||
unset($post_types['attachment']);
|
||||
} else {
|
||||
$post_types = array('post', 'page');
|
||||
}
|
||||
|
||||
$defaults = array(
|
||||
'output' => 'object',
|
||||
'name' => 'post_type',
|
||||
'id' => 'post_type'
|
||||
);
|
||||
|
||||
$args = (object) wp_parse_args($args, $defaults);
|
||||
|
||||
switch ($args->output) {
|
||||
case 'dropdown':
|
||||
$results = '<select name="' . $args->name . '" id="' . $args->id . '">';
|
||||
foreach ($post_types as $post_type) {
|
||||
$results.= '<option value="' . $post_type . '">' . $post_type . "</option>\n";
|
||||
}
|
||||
$results.= '</select>';
|
||||
break;
|
||||
default:
|
||||
$results = (object) $post_types;
|
||||
}
|
||||
|
||||
return $results;
|
||||
}
|
||||
|
||||
/**
|
||||
* Display the list of contributors.
|
||||
* @return boolean
|
||||
*/
|
||||
function contributor_list() {
|
||||
if (function_exists('simplexml_load_file')) {
|
||||
$this->showFields = array('NAME', 'LOCATION', 'COUNTRY');
|
||||
print '<ul>';
|
||||
|
||||
$items = simplexml_load_file('http://cdn.grandslambert.com/xml/better-rss-widget.xml');
|
||||
|
||||
foreach ($items as $item) {
|
||||
print '<li>';
|
||||
if (empty($item->url)) {
|
||||
print $item->name;
|
||||
} else {
|
||||
print '<a href="' . $item->url . '" target="_blank">' . $item->name . '</a>';
|
||||
}
|
||||
|
||||
if (!empty($item->location)) {
|
||||
print ' from ' . $item->location;
|
||||
}
|
||||
|
||||
if (!empty($item->country)) {
|
||||
print ', ' . $item->country;
|
||||
}
|
||||
|
||||
print ' contributed ' . $item->item . ' on ' . date('F jS, Y', strtotime($item->date)) . '</li>';
|
||||
}
|
||||
print '</ul>';
|
||||
} else {
|
||||
_e('PHP 5 Required to see a list of contributors.', 'pretty-sidebar-categories');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Displayes any data sent in textareas.
|
||||
*
|
||||
* @param <type> $input
|
||||
*/
|
||||
function debug($input) {
|
||||
$contents = func_get_args();
|
||||
|
||||
foreach ($contents as $content) {
|
||||
print '<textarea style="width:49%; height:250px; float: left;">';
|
||||
print_r($content);
|
||||
print '</textarea>';
|
||||
}
|
||||
|
||||
echo '<div style="clear: both"></div>';
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Add the widget code to the initialization action
|
||||
*/
|
||||
add_action('widgets_init', create_function('', 'return register_widget("better_twitter_widget");'));
|
||||
register_activation_hook(__FILE__, 'better_twitter_activate');
|
||||
|
||||
function better_twitter_activate() {
|
||||
/* Compile old options into new options Array */
|
||||
$new_options = '';
|
||||
$options = array('link_target', 'items', 'show_summary', 'show_author', 'show_date', 'show_time', 'enable_cache', 'cache_duration', 'is_home_default', 'is_front_default', 'is_archive_default', 'is_search_default', 'is_category_default', 'is_tag_default', 'is_single_default', 'is_date_default');
|
||||
|
||||
foreach ($options as $option) {
|
||||
if ($old_option = get_option('better_twitter_' . $option)) {
|
||||
$new_options[$option] = $old_option;
|
||||
delete_option('better_twitter_' . $option);
|
||||
}
|
||||
}
|
||||
|
||||
if (is_array($new_options) and ! add_option('better-twitter-widget-options', $new_options)) {
|
||||
update_option('better-twitter-widget-options', $new_options);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user