PHP method for responding to the post request to upload files

This article mainly introduces the PHP method for responding to the post request to upload files, and involves php techniques for post transmission data processing, for more information about how PHP responds to post requests, see the following example. We will share this with you for your reference. The details are as follows:

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;}

I hope this article will help you with PHP programming.