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<?php /* * this class should be used to stores properties and methods shared by the * admin and public side of wordpress / class Daln_Shared { //regex public $hex_rgb_regex = '/^#(?:[0-9a-fA-F]{3}){1,2}$/'; public $font_family_regex = '/^([A-Za-z0-9-\'", ])$/'; public $url_regex = '/^(http\|https):\/\/[-A-Za-z0-9+&@#\/%?=~_\|$!:,.;]+$/'; public $regex_capability = '/^\s[A-Za-z0-9_]+\s$/'; protected static $instance = null; private $data = array(); private function __construct() { //Set plugin textdomain load_plugin_textdomain('daln', false, 'live-news/lang/'); $this->data['slug'] = 'daln'; $this->data['ver'] = '2.09'; $this->data['dir'] = substr(plugin_dir_path(__FILE__), 0, -7); $this->data['url'] = substr(plugin_dir_url(__FILE__), 0, -7); } public static function get_instance() { if (null == self::$instance) { self::$instance = new self; } return self::$instance; } //retrieve data public function get($index) { return $this->data[$index]; } /* * Convert a numeric target to a textual target * * @param $target_id int * @return string / public function get_textual_target($target_id){ switch($target_id){ case 1: return 'Website'; break; case 2: return 'URL'; break; } } / * Convert a numeric source to a textual source * * @param $source_id int * @return string / public function get_textual_source($source_id){ switch($source_id){ case 1: return __('Manually Added', 'daln'); break; case 2: return __('Posts', 'daln'); break; case 3: return __('RSS', 'daln'); break; case 4: return __('Twitter', 'daln'); break; } } / * Retrieve the ticker name from the ticker id * * @param $ticker_id int * @return string / public function get_textual_ticker($ticker_id){ global $wpdb; $table_name = $wpdb->prefix . $this->get('slug') . "_tickers"; $safe_sql = $wpdb->prepare("SELECT name FROM $table_name WHERE id = %d ", $ticker_id); $ticker_obj = $wpdb->get_row($safe_sql); if($ticker_obj !== NULL){ return $ticker_obj->name; }else{ return 'Invalid Ticker ID'; } } / * Generate a short version of a string without truncating words * * @param $str The string * @param $length The maximum length of the string * @return string The short version of the string / public function strlen_no_truncate( $str, $length ){ if (mb_strlen($str) > $length){ $str = wordwrap($str, $length); $str = mb_substr($str, 0, mb_strpos($str, "\n")); $str = $str . ' ...'; } return $str; } / * Returns true if the ticker is used in sliding news or in featured news * * @param $ticker_id int * @return bool True if the ticker is used or False if the ticker is not used / public function ticker_is_used($ticker_id){ global $wpdb; //verify if the ticker is used in the featured news $table_name = $wpdb->prefix . $this->get('slug') . "_featured_news"; $safe_sql = $wpdb->prepare("SELECT COUNT() FROM $table_name WHERE ticker_id = %d", $ticker_id); $number_of_uses = $wpdb->get_var($safe_sql); if($number_of_uses > 0){return true;} //verify if the ticker is used in the sliding news $table_name = $wpdb->prefix . $this->get('slug') . "_sliding_news"; $safe_sql = $wpdb->prepare("SELECT COUNT() FROM $table_name WHERE ticker_id = %d", $ticker_id); $number_of_uses = $wpdb->get_var($safe_sql); if($number_of_uses > 0){return true;} return false; } / * Given a ticker id returns true if the ticker exists or false if the ticker doesn't exist * * @param $ticker_id int * @return bool True if the ticker exists or False if the ticker doesn't exists / public function ticker_exists($ticker_id){ global $wpdb; $table_name = $wpdb->prefix . $this->get('slug') . "_tickers"; $safe_sql = $wpdb->prepare("SELECT FROM $table_name WHERE id = %d", $ticker_id); $ticker_obj = $wpdb->get_row($safe_sql); if($ticker_obj !== NULL){ return true; }else{ return false; } } /* * Given an hexadecimal rgb color an array with the 3 components converted in decimal is returned * * @param string The hexadecimal rgb color * @return array An array with the 3 component of the color converted in decimal / public function rgb_hex_to_dec($hex) { if (mb_strlen($hex) == 3) { $r = hexdec(substr($hex, 0, 1) . substr($hex, 0, 1)); $g = hexdec(substr($hex, 1, 1) . substr($hex, 1, 1)); $b = hexdec(substr($hex, 2, 1) . substr($hex, 2, 1)); } else { $r = hexdec(substr($hex, 0, 2)); $g = hexdec(substr($hex, 2, 2)); $b = hexdec(substr($hex, 4, 2)); } return array( 'r' => $r, 'g' => $g, 'b' => $b ); } / * Get the number of tickers * * @return int The number of tickers / public function get_number_of_tickers(){ global $wpdb; $table_name = $wpdb->prefix . $this->get('slug') . "_tickers"; $number_of_tickers = $wpdb->get_var("SELECT COUNT() FROM $table_name"); return $number_of_tickers; } /* * Get the number of featured news * * @return int The number of featured news / public function get_number_of_featured_news(){ global $wpdb; $table_name = $wpdb->prefix . $this->get('slug') . "_featured_news"; $number_of_featured_news = $wpdb->get_var("SELECT COUNT() FROM $table_name"); return $number_of_featured_news; } /* * Get the number of sliding news * * @return int The number of sliding news / public function get_number_of_sliding_news(){ global $wpdb; $table_name = $wpdb->prefix . $this->get('slug') . "_sliding_news"; $number_of_sliding_news = $wpdb->get_var("SELECT COUNT() FROM $table_name"); return $number_of_sliding_news; } /* * Based on the selected option this method is used to remove the following elements included in a tweet: * * - links * - hashtags * - usernames * * @param $tweet string The tweet * @param $strip_links bool Whether to strip links * @param $strip_hashtags bool Whether to strip hashtags * @param $strip_usernames bool Whether to strip usernames * * @return string The tweet with the elements removed / public function twitter_remove_elements($tweet, $strip_links, $strip_hashtags, $strip_usernames){ //strip links (generic url regex which allows almost any url) if($strip_links){ $tweet = preg_replace('/(https?\|ftp\|file):\/\/[^\s]+/', '', $tweet ); } //strip hashtags if($strip_hashtags){ $tweet = preg_replace('/#[a-zA-Z_]{1}[a-zA-Z0-9_]/', '', $tweet ); } //strip usernames if($strip_usernames){ $tweet = preg_replace('/@[a-zA-Z0-9_]{1,15}/', '', $tweet ); } return $tweet; } /* * Get the current URL with the method specified with the "Detect URL Mode" option */ public function get_current_url(){ if(get_option($this->get('slug') . '_detect_url_mode') === 'server_variable'){ //Detect the URL using the "Server Variable" method return is_ssl() ? 'https' : 'http' . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; }else{ //Detect the URL using the "WP Request" method global $wp; return trailingslashit(home_url(add_query_arg(array(),$wp->request))); } } }

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