<?php
$image = file_get_contents('D://v1.jpg');
$base64str= base64_encode($image);
$param = [
   'codeType' => '4005',
   'base64Str' => $base64str,
   'key' => '换成你自己的key'
];
$url = 'http://vv.juhe.cn/vercode/index.php?'.http_build_query($param);
echo file_get_contents($url);