- function get_extension($file){
- return substr(strrchr($file, '.'), 1);
- }
- function get_name($path){
- return substr(strrchr($path, '/'), 1);
- }
- function getImage($url,$fileName="") {
- $fbufsize = 8096;
- $ext = get_extension($url);
- $fileName = get_name($url);
- $type = array(
- 'gif' => 'image/gif',
- 'jpeg' => 'image/jpeg',
- 'jpg' => 'image/jpeg',
- 'jpe' => 'image/jpeg',
- 'png' => 'image/png',
- );
- $imgType = isset($type[$ext])?$type[$ext]:die("类型不符");
- header('Content-Description: File Transfer');
- header('Expires: 0');
- header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
- header('Pragma: public');
- header("Content-type: ".$imgType);
- header("Content-Transfer-Encoding: binary");
- header('Content-Disposition: attachment; filename="'.$fileName.'"');
- header("Content-Length:" . getimagesize($url)."\\n\\n" );
- $fp = fopen($url,"r");
- while(!feof($fp)) {
- print(fread($fp,$fbufsize));
- flush();
- ob_flush();
- }
- fclose($fp);
- exit;
- }
- getImage("http://snowcoal.com/IMAGES_6930/201407/1405910422162.jpg");
- //该片段来自于http://www.codesnippet.cn/detail/2511201411045.html
来源: http://www.codesnippet.cn/detail/2511201411045.html