support php5.3

Author: YieldRay

README.md

@@ -24,8 +24,13 @@
 
 fork 后，修改自己仓库的 `url.csv`，然后在 Vercel 平台上导入自己的项目  
 你也可以直接修改<https://github.com/YieldRay/Random-Picture/blob/master/url.csv>来创建 fork  
-[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/import/git?s=https%3A%2F%2Fgithub.com%2FYieldRay%2FRandom-Picture)  
-php 版本也可以直接上传到虚拟主机
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/import/git?s=https%3A%2F%2Fgithub.com%2FYieldRay%2FRandom-Picture)
+
+## php 部署到虚拟主机
+
+支持 php >= 5.3  
+直接将下载项目然后上传至虚拟主机即可，此时 API 路径在 `./api` 文件夹下  
+或者下载项目的 `./api/index.php` 和 `./url.csv` ，将这两个文件上传至同一目录即可
 
 ## deno 部署到 deno.dev
 

api/index.php

@@ -1,22 +1,22 @@
 <?php
-
 const ALLOW_RAW_OUTPUT = false;
 // 是否开启 ?raw 选项，可能会消耗服务器较多流量
 
 function has_query($query)
 {
     return isset($_GET[$query]);
 }
-if (file_exists('../url.csv')) {
+
+if (file_exists(__DIR__ . '/url.csv')) // in the same folder
+    $imgs_array = file(__DIR__ . '/url.csv', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+else if (file_exists('../url.csv'))    // in the parent folder
     $imgs_array = file('../url.csv', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
-} else {
+else                                   // for vercel runtime
     $imgs_array = file('http://' . $_SERVER['HTTP_HOST'] . '/url.csv', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
-}
-if (count($imgs_array) == 0) {
-    $imgs_array = ['https://http.cat/503'];
-}
+if (count($imgs_array) == 0) $imgs_array = array('https://http.cat/503');
+
 
-$id = $_GET['id'] ?? "";
+$id = $_GET['id'] ? $_GET['id'] : "";
 if (strlen($id) > 0 && is_numeric($id)) {
     settype($id, 'int');
     $len = count($imgs_array);
@@ -34,7 +34,7 @@ function has_query($query)
 if (has_query('json')) {
     header('Access-Control-Allow-Origin: *');
     header('Content-Type: application/json');
-    echo json_encode(['id' => $id, 'url' => $imgs_array[$id]]);
+    echo json_encode(array('id' => $id, 'url' => $imgs_array[$id]));
 } else if (has_query('raw')) {
     if (!ALLOW_RAW_OUTPUT) {
         header('HTTP/1.1 403 Forbidden');
@@ -43,6 +43,7 @@ function has_query($query)
     header('Content-Type: image/png');
     echo file_get_contents($imgs_array[$id]);
 } else {
+    header('Referrer-Policy: no-referrer');
     header('Location: ' . $imgs_array[$id]);
 }
 

test/deno.ts

@@ -23,7 +23,7 @@ async function handler(req: Request): Promise<Response> {
         // return new Response(null, { status: 404 });
         return await fetch("https://deno.land/favicon.ico");
     }
-    const searchParams = new URLSearchParams(url.search);
+    const { searchParams } = url;
     try {
         let stringNumber: string; // 获取id
         const matched = url.pathname.match(/^\/(\d+)\.(?:jpg|jpeg|png|gif|webp)$/);

test/develop.mjs

@@ -2,5 +2,5 @@
 import http from "http";
 import handler from "./node.mjs";
 const port = process.env.PORT || 8000;
-console.log(`Listening on ${port}`);
+console.log(`Server is running at http://localhost:${port}`);
 http.createServer(handler).listen(port);

test/node.mjs

@@ -1,4 +1,5 @@
 import axios from "axios";
+import { url } from "inspector";
 // 需要先安装 axios
 // 填入环境变量，或者修改下面的地址，这个地址应该返回一个文本文件，每行一个图片地址
 const recordURL = process.env.RECORD_URL || "https://raw.githubusercontents.com/YieldRay/Random-Picture/master/url.csv";
@@ -17,11 +18,11 @@ const imagesArray = ["https://http.cat/503"];
 export default async function (req /*: http.IncomingMessage*/, res /*: http.ServerResponse*/) {
     const url = new URL("http://localhost" + req.url);
     if (req.url === "/favicon.ico") {
-        res.writeHead(503);
+        res.writeHead(404);
         res.end();
         return;
     }
-    const searchParams = new URLSearchParams(url.search);
+    const { searchParams } = url;
     let stringNumber; // 获取id
     const matched = url.pathname.match(/^\/(\d+)\.(?:jpg|jpeg|png|gif|webp)$/);
     if (matched) {

vercel.json

@@ -1,7 +1,7 @@
 {
     "functions": {
         "api/index.php": {
-            "runtime": "vercel-php@0.4.0",
+            "runtime": "vercel-php@0.5.0",
             "excludeFiles": "{test/**}",
             "memory": 1024,
             "maxDuration": 10