PHP实现的小红书无水印图片解析下载

<?phpfunctionget_html($url){$headers=array("authority"=>"www.xiaohongshu.com","cache-control"=>"max-age=0","sec-ch-ua"=>'"Chromium";v="21", " Not;A Brand";v="99"',"sec-ch-ua-mobile"=>"?0","sec-ch-ua-platform"=>'"Windows"',"upgrade-insecure-requests"=>"1","user-agent"=>"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36","accept"=>"text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9","sec-fetch-site"=>"same-origin","sec-fetch-mode"=>"navigate","sec-fetch-user"=>"?1","sec-fetch-dest"=>"document","accept-language"=>"zh-CN,zh;q=0.9",);$options=array('http'=>array('header'=>implode("\r\n",array_map(function($v,$k){return$k.':'.$v;},$headers,array_keys($headers))),),);$context=stream_context_create($options);$response=file_get_contents($url,false,$context);return$response;}functionjson_content($html){$rule='/<script>window\.__INITIAL_STATE__=(.*?)<\/script>/i';preg_match($rule,$html,$matches);if($matches){$content=$matches[1];return$content;}else{returnnull;}}functionget_image_urls($url){$html=get_html($url);$js=json_content($html);$js=str_replace("\\u002F","/",$js);preg_match_all('/"url":"(http:\/\/[^":\{\}\[\]]*?wm_1)"/',$js,$all_urls);returnarray('image_urls'=>$all_urls[1]);}if($_SERVER['REQUEST_METHOD']==='GET'){$url=$_GET['url'];if($url){$result=get_image_urls($url);header('Content-Type: application/json');echojson_encode($result);}else{header('Content-Type: application/json');echojson_encode(array('error'=>'Missing URL parameter'));}}?>

使用

https://域名/?url=小红书链接