bing每日壁纸api源码

可直接返回bing每日壁纸图片，直接可调用

<?php
$str=file_get_contents('http://cn.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1');
$array=json_decode($str);
$url='https://cn.bing.com'.$array->images[0]->urlbase.'_1920x1080.jpg';
if($url) {
	header('Content-Type: image/JPEG');
	@ob_end_clean();
	@readfile($url);
	@flush();
	@ob_flush();
	exit;
} else {
	exit('error');
}
?>