PHP脚本实现Markdown文章上传到七牛图床

$ mkdir markdown-images-to-qiniu
$ cd markdown-images-to-qiniu

$ composer require qiniu/php-sdk

<?php
require 'vendor/autoload.php';
use QiniuAuth;
use QiniuStorageUploadManager;
// 1. 读取 `makrdown` 文件
$file = $argv[1];
if(! file_exists($file) ){
 return "找不到文件{$file}";
}
$orginalContent = file_get_contents($file);
// 2. 正则匹配出所有的图片
preg_match_all(
 '/![.*](.+)/',
 $orginalContent,
 $matches,
 PREG_PATTERN_ORDER
);
$mdImageArr = $matches[0];
if(! count($mdImageArr) ){
 return "无需上传图片";
}
// 3. 依次上传图片
$accessKey = '你的 AccessKey';
$secretKey = '你的 SecretKey';
$bucket = '你的七牛空间名'; // eg. mindgeek
$url = "空间所绑定的域名"; // eg. http://qiniu.site.com
$auth = new Auth($accessKey, $secretKey);
$token = $auth->uploadToken($bucket);
$uploadMgr = new UploadManager();
$content = $orginalContent;
foreach ($mdImageArr as $image) {
 $start = mb_strpos($image, '](') + 2;
 $localPath = mb_substr($image, $start, -1);
 $extension = pathinfo($localPath)['extension'];
 $uploadPath = uniqid(). ".". $extension;
 list($ret, $error) = $uploadMgr->putFile($token, $uploadPath, $localPath);
 if(! $error ){
 // 4. 将文章图片的地址替换为图床地址
 $content = str_replace($localPath, $url.$uploadPath, $content);
 echo "{$uploadPath} 上传成功。
";
 } else {
 echo "{$uploadPath} 上传失败。
";
 }
}
// 5. 保存替换后的文章
file_put_contents($file, $content);

$ php index.php test.md