- /*
- * 远程图片获取到本地
- */
- function GrabImage($url){
- if($url != ""){ //如果图片地址为空
- $ext = strrchr($url,'.'); //判断图片的格式
- if($ext != '.jpg' && $ext != '.gif' && $ext != '$png'){
- return false;exit;
- }
- $filename_r = time().rand(10,9000).$ext; //给图片命名
- $filename = 'getimg/'.$filename_r;
- ob_start(); //打开缓冲区
- readfile($url);
- $imginfo = ob_get_contents(); //获得缓冲区的内容
- ob_end_clean(); //清除并关闭缓冲区
- $fp = fopen($filename,'a');
- fwrite($fp,$imginfo);
- fclose($fp);
- }else{
- return false;
- }
- }
- $start_time = microtime(true);
- GrabImage("http://img4.shougongke.com/Public/advance/53846840dafb4.jpg");
- $end_time = microtime(true);
- $time = round($end_time-$start_time,3);
- echo '程序总共用时'.$time.'秒';
- ?>
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