Setup PHP CS Fixer

.gitattributes

@@ -1,12 +1,12 @@
-/benchmark       export-ignore
-/static-analysis export-ignore
-/tests           export-ignore
-.gitattributes   export-ignore
-.gitignore       export-ignore
-.php_cs          export-ignore
-.travis.yml      export-ignore
-composer.lock    export-ignore
-phpbench.json    export-ignore
-phpunit.xml.dist export-ignore
-psalm.xml        export-ignore
-rector.php       export-ignore
+/benchmark        export-ignore
+/static-analysis  export-ignore
+/tests            export-ignore
+.gitattributes    export-ignore
+.gitignore        export-ignore
+.php-cs-fixer.php export-ignore
+.travis.yml       export-ignore
+composer.lock     export-ignore
+phpbench.json     export-ignore
+phpunit.xml.dist  export-ignore
+psalm.xml         export-ignore
+rector.php        export-ignore

.github/workflows/build.yaml

@@ -40,6 +40,10 @@ jobs:
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
+      - name: "Check code style"
+        if: ${{ matrix.php == '8.1' }}
+        run: composer code-style:check
+
       - name: "Run psalm"
         run: vendor/bin/psalm
 

.gitignore

@@ -1,4 +1,5 @@
 .idea
 .phpunit.result.cache
+.php-cs-fixer.cache
 /phpunit.xml
 /vendor/

.php-cs-fixer.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+$finder = \PhpCsFixer\Finder::create()
+    ->in(__DIR__)
+;
+
+return (new \PhpCsFixer\Config())->setRiskyAllowed(true)
+    ->setRules([
+        '@PHP81Migration' => true,
+        '@Symfony' => true,
+        'yoda_style' => false,
+
+    ])
+    ->setFinder($finder)
+;

benchmark/BaseShorteningBench.php

@@ -5,7 +5,6 @@
 namespace Benchmark\Keiko\Uuid\Shortener;
 
 use Keiko\Uuid\Shortener\Shortener;
-use function array_map;
 
 abstract class BaseShorteningBench
 {
@@ -145,7 +144,7 @@ public function benchShorteningOfHugeUuid(): void
 
     public function benchShorteningOfPromiscuousUuids(): void
     {
-        array_map($this->shortener->reduce(...), self::UUIDS_TO_BE_SHORTENED);
+        \array_map($this->shortener->reduce(...), self::UUIDS_TO_BE_SHORTENED);
     }
 
     public function benchExpandingOfTinyUuid(): void
@@ -160,6 +159,6 @@ public function benchExpandingOfHugeUuid(): void
 
     public function benchExpandingOfPromiscuousUuids(): void
     {
-        array_map($this->shortener->expand(...), $this->shortenedPromoscuousUuids);
+        \array_map($this->shortener->expand(...), $this->shortenedPromoscuousUuids);
     }
 }

benchmark/GMPShortenerBench.php

@@ -10,7 +10,7 @@
 
 final class GMPShortenerBench extends BaseShorteningBench
 {
-    protected function newShortener() : Shortener
+    protected function newShortener(): Shortener
     {
         return new GMPShortener(Dictionary::createUnmistakable());
     }

benchmark/ShortenerBench.php

@@ -10,7 +10,7 @@
 
 final class ShortenerBench extends BaseShorteningBench
 {
-    protected function newShortener() : Shortener
+    protected function newShortener(): Shortener
     {
         return new Shortener(Dictionary::createUnmistakable(), new Converter());
     }

composer.json

@@ -28,7 +28,8 @@
     "phpunit/phpunit": "^8.5.26",
     "vimeo/psalm": "^4.3.1",
     "phpbench/phpbench": "^1.1.1",
-    "rector/rector": "^0.18.12"
+    "rector/rector": "^0.18.12",
+    "php-cs-fixer/shim": "^3.41"
   },
   "suggest": {
     "ramsey/uuid": "A PHP 5.4+ library for generating RFC 4122 version 1, 3, 4, and 5 universally unique identifiers (UUID)",
@@ -49,6 +50,8 @@
     }
   },
   "scripts": {
+    "code-style:check": "php-cs-fixer fix --dry-run --diff --ansi",
+    "code-style:fix": "php-cs-fixer fix --diff --ansi",
     "rector:check": "rector --dry-run --ansi",
     "rector:fix": "rector --ansi"
   }

src/Dictionary.php

@@ -5,10 +5,6 @@
 namespace Keiko\Uuid\Shortener;
 
 use Keiko\Uuid\Shortener\Exception\DictionaryException;
-use function array_flip;
-use function count_chars;
-use function str_split;
-use function strlen;
 
 /** @psalm-immutable */
 final class Dictionary
@@ -34,25 +30,23 @@ final class Dictionary
      */
     public function __construct(string $charsSet)
     {
-        $length = strlen($charsSet);
+        $length = \strlen($charsSet);
 
         if ($length <= 16) {
             throw DictionaryException::charsSetTooShort();
         }
 
-        $uniqueChars = count_chars($charsSet, 3);
-        if (strlen($uniqueChars) !== $length) {
+        $uniqueChars = \count_chars($charsSet, 3);
+        if (\strlen($uniqueChars) !== $length) {
             throw DictionaryException::nonUniqueChars();
         }
 
         $this->charsSet = $charsSet;
         $this->length = $length;
-        $this->charIndexes = array_flip(str_split($charsSet));
+        $this->charIndexes = \array_flip(\str_split($charsSet));
     }
 
     /**
-     * @return Dictionary
-     *
      * @psalm-pure
      */
     public static function createUnmistakable(): Dictionary
@@ -61,27 +55,20 @@ public static function createUnmistakable(): Dictionary
     }
 
     /**
-     * @return Dictionary
-     *
      * @psalm-pure
      */
     public static function createAlphanumeric(): Dictionary
     {
         return new self(self::DICTIONARY_ALPHANUMERIC);
     }
 
-    /**
-     * @return int
-     */
     public function getLength(): int
     {
         return $this->length;
     }
 
     /**
      * @throws DictionaryException
-     *
-     * @return string
      */
     public function getCharAt(int $index): string
     {
@@ -94,8 +81,6 @@ public function getCharAt(int $index): string
 
     /**
      * @throws DictionaryException
-     *
-     * @return int
      */
     public function getCharIndex(string $char): int
     {

src/GMPShortener.php

@@ -5,24 +5,13 @@
 namespace Keiko\Uuid\Shortener;
 
 use Keiko\Uuid\Shortener\Exception\DictionaryException;
-use function array_flip;
-use function gmp_init;
-use function gmp_strval;
-use function preg_match;
-use function preg_quote;
-use function str_pad;
-use function str_replace;
-use function strrev;
-use function strtr;
-use function substr;
-use const STR_PAD_LEFT;
 
 /** @psalm-immutable */
 final class GMPShortener extends Shortener
 {
     /**
      * @var string[] a map of character replacements to be used when translating a number that is
-     *               in base(length(Dictionary)) (keys) to the dictionary characters (values).
+     *               in base(length(Dictionary)) (keys) to the dictionary characters (values)
      *
      * @psalm-var non-empty-array<non-empty-string, non-empty-string>
      */
@@ -35,48 +24,48 @@ public function __construct(private readonly Dictionary $dictionary)
         $replacements = [];
 
         foreach (range(0, $dictionary->length - 1) as $characterIndex) {
-            $replacements[gmp_strval(gmp_init((string) $characterIndex, 10), $dictionary->length)] = $dictionary->charsSet[$characterIndex];
+            $replacements[\gmp_strval(\gmp_init((string) $characterIndex, 10), $dictionary->length)] = $dictionary->charsSet[$characterIndex];
         }
 
         $this->baseReplacements = $replacements;
-        $this->allowedCharactersMatcher = '/^['. preg_quote($dictionary->charsSet, '/').']+$/';
+        $this->allowedCharactersMatcher = '/^['.\preg_quote($dictionary->charsSet, '/').']+$/';
     }
 
     public function reduce(string $uuid): string
     {
-        return strrev(strtr(
-            gmp_strval(gmp_init(str_replace('-', '', $uuid), 16), $this->dictionary->length),
+        return \strrev(\strtr(
+            \gmp_strval(\gmp_init(\str_replace('-', '', $uuid), 16), $this->dictionary->length),
             $this->baseReplacements
         ));
     }
 
     public function expand(string $shortUuid): string
     {
-        if (1 !== preg_match($this->allowedCharactersMatcher, $shortUuid)) {
+        if (1 !== \preg_match($this->allowedCharactersMatcher, $shortUuid)) {
             throw DictionaryException::indexOutOfBounds();
         }
 
-        $base16Uuid = str_pad(
-            gmp_strval(
-                gmp_init(
-                    strtr(strrev($shortUuid), array_flip($this->baseReplacements)),
+        $base16Uuid = \str_pad(
+            \gmp_strval(
+                \gmp_init(
+                    \strtr(\strrev($shortUuid), \array_flip($this->baseReplacements)),
                     $this->dictionary->length
                 ),
                 16
             ),
             32,
             '0',
-            STR_PAD_LEFT
+            \STR_PAD_LEFT
         );
 
-        return substr($base16Uuid,0, 8)
-            . '-'
-            . substr($base16Uuid, 8, 4)
-            . '-'
-            . substr($base16Uuid, 12, 4)
-            . '-'
-            . substr($base16Uuid, 16, 4)
-            . '-'
-            . substr($base16Uuid, 20, 12);
+        return \substr($base16Uuid, 0, 8)
+            .'-'
+            .\substr($base16Uuid, 8, 4)
+            .'-'
+            .\substr($base16Uuid, 12, 4)
+            .'-'
+            .\substr($base16Uuid, 16, 4)
+            .'-'
+            .\substr($base16Uuid, 20, 12);
     }
 }