feature: use strict_types

Author: Gemorroj

.github/workflows/ci.yml

@@ -66,7 +66,7 @@ jobs:
           git config --global core.eol lf
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -76,7 +76,7 @@ jobs:
           tools: composer:v2
 
       - name: Install dependencies
-        uses: nick-invision/retry@v2
+        uses: nick-fields/retry@v2
         with:
           timeout_minutes: 5
           max_attempts: 5

composer.json

@@ -9,7 +9,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6",
-        "friendsofphp/php-cs-fixer": "^3.41"
+        "friendsofphp/php-cs-fixer": "^3.46"
     },
     "authors": [
         {

src/Php.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Syntax;
 
 use Symfony\Component\Process\Process;
@@ -182,11 +184,11 @@ protected static function formatCode(string $source, int $line, string $cssCodeC
     {
         $array = self::formatXhtmlHighlight($source);
         $all = \count($array);
-        $len = \strlen($all);
+        $len = \strlen((string) $all);
         $page = '';
         for ($i = 0; $i < $all; ++$i) {
             $next = $i + 1;
-            $l = \strlen($next);
+            $l = \strlen((string) $next);
             $page .= '<span class="'.\htmlspecialchars($line === $next ? $cssCodeIncorrectLineClass : $cssCodeCorrectLineClass).'">'.($l < $len ? \str_repeat('&#160;', $len - $l) : '').$next.'</span> '.$array[$i]."\n";
         }
 

tests/PhpTest.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Syntax\Tests;
 
 use PHPUnit\Framework\TestCase;