php下载页面的处理代码
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");
以上就是php下载页面的处理代码的内容。