Uploading a file stream in PHP with Multipart/form-data

Upload class

Class uploadpart{protected static $url;    protected static $delimiter;    protected static $instance;        Public Function __construct () {static:: $url = ' http://files.note.so/v1/file_server ';    Static:: $delimiter = Uniqid ();        The Public Function Putpart ($param) {$post _data = Static::builddata ($param);        $curl = Curl_init (static:: $url);        curl_setopt ($curl, Curlopt_returntransfer, true);        curl_setopt ($curl, Curlopt_post, true);        curl_setopt ($curl, Curlopt_postfields, $post _data); curl_setopt ($curl, Curlopt_httpheader, ["Content-type:multipart/form-data; Boundary= ". Static:: $delimiter, "Content-length:".        strlen ($post _data)]);        $response = curl_exec ($curl);        Curl_close ($curl);        $info = Json_decode ($response, true); if (!is_array ($info [' msg ')] && $info [' msg '] = = $param [' filesize ']) {$param [' offset '] = $param [' Filesiz            E ']; $param [' upload '] = ';        return $this->putpart ($param);    } return $response;        } private static function Builddata ($param) {$data = ';        $eol = "\ r \ n";        $upload = $param [' Upload '];        unset ($param [' upload ']); foreach ($param as $name = = $content) {$data. = "-". Static:: $delimiter. "\ r \ n". ' Content-disposition:form-data; Name= "'. $name. "\" \r\n\r\n ". $content.        "\ r \ n"; }//splicing file stream $data. = "--". Static:: $delimiter. $eol. ' Content-disposition:form-data; Name= "Upload"; Filename= "'. $param [' filename ']. ‘"‘ . " \ r \ n ". ' Content-type:application/octet-stream '. "        \r\n\r\n "; $data. = $upload.        "\ r \ n"; $data. = "--". Static:: $delimiter.        "--\r\n";    return $data;        public static function getinstance () {if (!static:: $instance) {static:: $instance = new static ();    } return static:: $instance; }}

How to use

$fields = array(    ‘type‘ => ‘video‘,    ‘filename‘ => ‘1407.png‘,    ‘filesize‘ => 58701,    ‘offset‘ => 0,    ‘filetype‘ => ‘.acc‘,    ‘originName‘ => ‘1407.png‘,    ‘upload‘=>file_get_contents(‘0407.png‘));$part = UploadPart::getInstance()->putPart($fields);

Uploading a file stream in PHP with Multipart/form-data