php 简单 下载图片 程序


function getimg($remoteUrl, $savePath, $saveName){

$formats = array('.gif', '.jpg','.png','.bmp');
$extension = strrchr($remoteUrl, '.');
if(!in_array($extension, $formats)) return false;

$fileName = $savePath . $saveName . $extension;
$image = file_get_contents($remoteUrl);
$fp = @fopen($fileName, 'a');
fwrite($fp, $image);
fclose($fp);
return $fileName;
}