PHP中通過post請求上傳檔案

 PHP中通過post請求上傳檔案的方法：

 

function send_file($url, $post = '', $file = '') {$eol = "\r\n";$mime_boundary = md5 ( time () );$data = '';$confirmation = '';date_default_timezone_set ( "Asia/Shanghai" );$time = date ( "Y-m-d H:i:s " );$post ["filename"] = $file [filename];foreach ( $post as $key => $value ) {$data .= '--' . $mime_boundary . $eol;$data .= 'Content-Disposition: form-data; ';$data .= "name=" . $key . $eol . $eol;$data .= $value . $eol;}$data .= '--' . $mime_boundary . $eol;$data .= 'Content-Disposition: form-data; name=' . $file [name] . '; filename=' . $file [filename] . $eol;$data .= 'Content-Type: text/plain' . $eol;$data .= 'Content-Transfer-Encoding: binary' . $eol . $eol;$data .= $file [filedata] . $eol;$data .= "--" . $mime_boundary . "--" . $eol . $eol;$params = array ('http' => array ('method' => 'POST', 'header' => 'Content-Type: multipart/form-data;boundary=' . $mime_boundary . $eol, 'content' => $data ) );$ctx = stream_context_create ( $params );$response = file_get_contents ( $url, FILE_TEXT, $ctx );return $response;}