Web page capture

header('Content-Type:text/html;charset=utf-8');

/**
 * A class for grabbing pictures
 * @author tangpan
*/
class download_image {
 public $_save_path = NULL; / /Picture saving road
 public $_limit_size = NULL; //Limit the size of the picture
 public static $_img_url_old = array(); //Storage the captured picture link address
 public static $_a_page_url = array(); // Store the crawled page
 public function __construct( $_save_path, $_limit_size) {
 $this->_save_path = $_save_path;
 $this->_limit_size = $_limit_size;
 }

 public function get_all_page_image( $site_url ) {
 if ( $site_url == '' ) {
 return false;
 }
 if ( ! in_array( $site_url, self::$_a_page_url ) ) { //Determine whether the current page has been crawled
 self::$ _a_page_url[] = $site_url; //Save the hyperlink into a static array
 } else {
 return; //If it has been crawled, jump out
 }
 $this->download_the_page_image( $site_url );
 $content = @file_get_contents($site_url);
 $a_page_url = "|]+href=['" ]?([^ '"?]+)['" >]|U";
 $ all_url = array();