如何调用百度视频图片

if ( $_SERVER['HTTP_HOST']  )
{
                $opts = array(
                                "http" => array( "method" => "GET", header( "content-Type=text/html;charset=gb2312" ) )
                );
                $context = stream_context_create( $opts );
                header( "content-Type=text/html;charset=gb2312" );
                $q = $_GET['q'];
                //$pg = $_GET['pg'];
                $ct=$_GET['ct'];
                $rn=$_GET['rn'];
                $pn=$_GET['pn'];
                $db=$_GET['db'];
                $s=$_GET['s'];
                $fbl=$_GET['fbl'];
                $s = urlencode( $q );
                $title = $q;
               
                $url = "http://video.baidu.com/v?word=".$q."&ct=".$ct."&rn=".$rn."&pn=".$pn."&db=".$db."&s=".$s."&fbl=".$fbl;
                $start = "<div id=\"result\">";
                $findtemp="<div style=\"background:#eff2fa;padding:10px;\" id=\"rlinks\">";
               
                $temp = file_get_contents( $url, false, $context ); //取出页面信息
                $postemp = strpos($temp, $findtemp);
                if ($postemp === false) {
                    $end = "<font>下一页</font></a>";
                }else{
                    $end = "</tr></table></td></tr></table></div>";
                }
               
                $endjavascript=intercept_str( $temp, "</body>", "</HTML>", 1 );
                $endjavascript=str_replace( "src=sug.js?", "src=http://video.baidu.com/sug.js?", $endjavascript );
               
                $shipinnum=intercept_str( $temp, "百度一下，找到相关视频", "个，用时", 1 ); //取出信息搜索出来的条数
               
                $content = intercept_str( $temp, $start, $end, 0 );
                $content = str_replace( "href=\"/v?", "href=\"video.php?", $content );
                $content = str_replace( "&word=", "&q=", $content );
                $content = str_replace( "href=\"http://video.baidu.com/v?", "href=\"video.php?q=", $content );
                if (strlen($content)<'100'){
                $content='<div style="text-align:center;margin:20px">搜索失败！<br />搜索超时或者您查询的内容可能不符合相关法律法规和政策，搜索结果未予显示。</div>';
                }