带缓存功能，每天只向Bing请求一次，以免访问频率过快被ban掉IP
<?php
header("Content-Type:text/html;charset=UTF-8");
error_reporting(0);
date_default_timezone_set('Asia/Shanghai'); //设置中国时区
//https://yaaibk.com/?day=0&size=1024x768&type=pic
$day=isset($_GET['day'])?$_GET['day']:'0';//0 今天,1 前1天,2 前2天,最多前7天,空为今天
$size=isset($_GET['size'])?$_GET['size']:'';//图片大小,1024x768，1920x1080，1080x1920,空为默认图片大小
$type=isset($_GET['type'])?$_GET['type']:'';//pic直接跳转图像链接,url链接,text图片描述,空为json
$cache_path = 'bing_cache';
$dir=$cache_path.'/'.$day.'_time.txt';
# 文件/夹不存在就创建
if(!is_dir($cache_path)){
mkdir($cache_path,0755);
}
//if(!is_file($dir)){
// touch($dir);
//}
$url = 'https://www.bing.com/HPImageArchive.aspx?format=js&idx='.$day.'&n=1';
if(is_file($dir)){
$json = file_get_contents($dir);
$array = json_decode($json,true);// JSON字符串转成 数组
if($array['images'][0]['enddate']==date('Ymd',time())){
$pic_url='https://www.bing.com'.$array['images'][0]['url'];
$pic_urlbase='https://www.bing.com'.$array['images'][0]['urlbase'];
$title=$array['images'][0]['copyright'];
if($size){
$pic_url=$pic_urlbase.'_'.$size.'.jpg';
}
}else{
$json = get_web_page($url);
$array = json_decode($json,true);// JSON字符串转成 数组
$pic_url='https://www.bing.com'.$array['images'][0]['url'];
$pic_urlbase='https://www.bing.com'.$array['images'][0]['urlbase'];
$title=$array['images'][0]['copyright'];
if($size){
$pic_url=$pic_urlbase.'_'.$size.'.jpg';
}
file_put_contents($dir,$json);
}
}else{
$json = get_web_page($url);
$array = json_decode($json,true);// JSON字符串转成 数组
$pic_url='https://www.bing.com'.$array['images'][0]['url'];
$pic_urlbase='https://www.bing.com'.$array['images'][0]['urlbase'];
$title=$array['images'][0]['copyright'];
if($size){
$pic_url=$pic_urlbase.'_'.$size.'.jpg';
}
file_put_contents($dir,$json);
}
switch ($type){
case 'text':
echo $title;
break;
case 'url':
echo $pic_url;
break;
case 'pic':
header("status: 302");
header("Location: ".$pic_url);
break;
default:
echo $json;
}
function get_web_page($url){
$options = array(
CURLOPT_RETURNTRANSFER => true, //返回网页
CURLOPT_HEADER => false, //不返回头信息
CURLOPT_SSL_VERIFYPEER => 0, //验证对等证书
CURLOPT_SSL_VERIFYHOST => 2, //检查服务器SSL证书
CURLOPT_USERAGENT => "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17 SE 2.X MetaSr 1.0", // 设置UserAgent
CURLOPT_AUTOREFERER => true, //引用页重定向
CURLOPT_CONNECTTIMEOUT => 120, //连接超时
CURLOPT_TIMEOUT => 120, //回复超时
);
$ch = curl_init($url);
curl_setopt_array($ch,$options);
$content = curl_exec($ch);
curl_close($ch);
return $content;
}
?>关于图片大小如下
#横屏 1920x1200 1920x1080 1366x768 1280x768 1024x768 800x600 800x480 #竖屏 1080x1920 768x1366 768x1280 720x1280 640x480 480x800 400x240 320x240 240x320 #正方形(可以作为头像之类的) 320x320 240x240
