composer: Remove Stringy

It is abandoned and incompatible with PHP 8.1:

    Return type of Stringy\Stringy::count() should either be compatible with Countable::count(): int

composer.json

@@ -7,7 +7,6 @@
         "ext-gd": "*",
         "bcosca/fatfree-core": "^3.8",
         "bramus/router": "^1.6",
-        "danielstjules/stringy": "^3.1",
         "fossar/guzzle-transcoder": "^0.2.0",
         "fossar/htmlawed": "^1.2.4.1",
         "guzzlehttp/guzzle": "^7.0",
@@ -22,6 +21,7 @@
         "php-http/guzzle7-adapter": "^1.0",
         "simplepie/simplepie": "^1.6",
         "smottt/wideimage": "^1.1",
+        "symfony/polyfill-php80": "^1.26",
         "violet/streaming-json-encoder": "^1.1",
         "willwashburn/phpamo": "^1.0"
     },

src/helpers/View.php

@@ -4,7 +4,6 @@
 
 use function Http\Response\send;
 use Psr\Http\Message\ResponseInterface;
-use Stringy\Stringy as S;
 
 /**
  * Helper class for rendering template
@@ -39,7 +38,7 @@ public function getBaseUrl() {
         // base url in config.ini file
         $base = $this->configuration->baseUrl;
         if ($base !== '') {
-            $base = (string) S::create($base)->ensureRight('/');
+            $base = str_ends_with($base, '/') ? $base : ($base . '/');
         } else { // auto generate base url
             $protocol = 'http';
             if ((isset($_SERVER['HTTPS']) && !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ||

src/spouts/reddit/reddit2.php

@@ -10,7 +10,6 @@
 use helpers\WebClient;
 use Psr\Http\Message\ResponseInterface;
 use spouts\Item;
-use Stringy\Stringy as S;
 
 /**
  * Spout for fetching from reddit
@@ -87,7 +86,8 @@ public function load(array $params) {
         $url = UriResolver::resolve(new Uri('https://www.reddit.com/'), new Uri($params['url']));
         $this->htmlUrl = (string) $url;
         // and that the path ends with .json (Reddit does not seem to recogize Accept header)
-        $url = $url->withPath((string) S::create($url->getPath())->ensureRight('.json'));
+        $path = $url->getPath();
+        $url = $url->withPath(str_ends_with($path, '.json') ? $path : ($path . '.json'));
 
         $response = $this->sendRequest((string) $url);
         $json = json_decode((string) $response->getBody(), true);