diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index d0948d1..3364094 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -22,7 +22,7 @@ parameters:
 
 		-
 			message: "#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#"
-			count: 2
+			count: 1
 			path: src/Loader.php
 
 		-
diff --git a/src/Cache/InMemoryCache.php b/src/Cache/InMemoryCache.php
index 7db7d9f..5eea961 100644
--- a/src/Cache/InMemoryCache.php
+++ b/src/Cache/InMemoryCache.php
@@ -11,11 +11,10 @@
 final class InMemoryCache implements CacheInterface, GetAllInterface
 {
     /** @var array<string, string> */
-    private array $cache;
+    private array $cache = [];
 
     public function __construct(MoParser $parser)
     {
-        $this->cache = [];
         $parser->parseIntoCache($this);
     }
 
diff --git a/src/Loader.php b/src/Loader.php
index 62d46fa..6a2935a 100644
--- a/src/Loader.php
+++ b/src/Loader.php
@@ -29,7 +29,6 @@
 use PhpMyAdmin\MoTranslator\Cache\CacheFactoryInterface;
 use PhpMyAdmin\MoTranslator\Cache\InMemoryCache;
 
-use function array_push;
 use function file_exists;
 use function getenv;
 use function in_array;
@@ -130,56 +129,35 @@ public static function listLocales(string $locale): array
                 if ($modifier) {
                     if ($country) {
                         if ($charset) {
-                            array_push(
-                                $localeNames,
-                                sprintf('%s_%s.%s@%s', $lang, $country, $charset, $modifier),
-                            );
+                            $localeNames[] = sprintf('%s_%s.%s@%s', $lang, $country, $charset, $modifier);
                         }
 
-                        array_push(
-                            $localeNames,
-                            sprintf('%s_%s@%s', $lang, $country, $modifier),
-                        );
+                        $localeNames[] = sprintf('%s_%s@%s', $lang, $country, $modifier);
                     } elseif ($charset) {
-                        array_push(
-                            $localeNames,
-                            sprintf('%s.%s@%s', $lang, $charset, $modifier),
-                        );
+                        $localeNames[] = sprintf('%s.%s@%s', $lang, $charset, $modifier);
                     }
 
-                    array_push(
-                        $localeNames,
-                        sprintf('%s@%s', $lang, $modifier),
-                    );
+                    $localeNames[] = sprintf('%s@%s', $lang, $modifier);
                 }
 
                 if ($country) {
                     if ($charset) {
-                        array_push(
-                            $localeNames,
-                            sprintf('%s_%s.%s', $lang, $country, $charset),
-                        );
+                        $localeNames[] = sprintf('%s_%s.%s', $lang, $country, $charset);
                     }
 
-                    array_push(
-                        $localeNames,
-                        sprintf('%s_%s', $lang, $country),
-                    );
+                    $localeNames[] = sprintf('%s_%s', $lang, $country);
                 } elseif ($charset) {
-                    array_push(
-                        $localeNames,
-                        sprintf('%s.%s', $lang, $charset),
-                    );
+                    $localeNames[] = sprintf('%s.%s', $lang, $charset);
                 }
 
                 if ($lang !== null) {
-                    array_push($localeNames, $lang);
+                    $localeNames[] = $lang;
                 }
             }
 
             // If the locale name doesn't match POSIX style, just include it as-is.
             if (! in_array($locale, $localeNames)) {
-                array_push($localeNames, $locale);
+                $localeNames[] = $locale;
             }
         }
 
@@ -201,20 +179,14 @@ public static function setCacheFactory(CacheFactoryInterface|null $cacheFactory)
      */
     public function getTranslator(string $domain = ''): Translator
     {
-        if (empty($domain)) {
+        if ($domain === '') {
             $domain = $this->defaultDomain;
         }
 
-        if (! isset($this->domains[$this->locale])) {
-            $this->domains[$this->locale] = [];
-        }
+        $this->domains[$this->locale] ??= [];
 
         if (! isset($this->domains[$this->locale][$domain])) {
-            if (isset($this->paths[$domain])) {
-                $base = $this->paths[$domain];
-            } else {
-                $base = './';
-            }
+            $base = $this->paths[$domain] ?? './';
 
             $localeNames = self::listLocales($this->locale);
 
diff --git a/src/MoParser.php b/src/MoParser.php
index f7529b5..7d9113b 100644
--- a/src/MoParser.php
+++ b/src/MoParser.php
@@ -7,7 +7,6 @@
 use PhpMyAdmin\MoTranslator\Cache\CacheInterface;
 
 use function is_readable;
-use function strcmp;
 
 final class MoParser
 {
@@ -69,9 +68,9 @@ public function parseIntoCache(CacheInterface $cache): void
 
         try {
             $magic = $stream->read(0, 4);
-            if (strcmp($magic, self::MAGIC_LE) === 0) {
+            if ($magic === self::MAGIC_LE) {
                 $unpack = 'V';
-            } elseif (strcmp($magic, self::MAGIC_BE) === 0) {
+            } elseif ($magic === self::MAGIC_BE) {
                 $unpack = 'N';
             } else {
                 $this->error = self::ERROR_BAD_MAGIC;
diff --git a/src/Translator.php b/src/Translator.php
index 7bfbbc1..9e0879a 100644
--- a/src/Translator.php
+++ b/src/Translator.php
@@ -32,19 +32,17 @@
 use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
 use Throwable;
 
-use function chr;
+use function array_key_exists;
 use function count;
 use function explode;
-use function get_class;
-use function implode;
-use function intval;
 use function is_numeric;
 use function ltrim;
 use function preg_replace;
 use function rtrim;
 use function sprintf;
+use function str_contains;
+use function str_starts_with;
 use function stripos;
-use function strpos;
 use function strtolower;
 use function substr;
 use function trim;
@@ -153,20 +151,16 @@ public static function sanitizePluralExpression(string $expr): string
     {
         // Parse equation
         $expr = explode(';', $expr);
-        if (count($expr) >= 2) {
-            $expr = $expr[1];
-        } else {
-            $expr = $expr[0];
-        }
+        $expr = count($expr) >= 2 ? $expr[1] : $expr[0];
 
         $expr = trim(strtolower($expr));
         // Strip plural prefix
-        if (substr($expr, 0, 6) === 'plural') {
+        if (str_starts_with($expr, 'plural')) {
             $expr = ltrim(substr($expr, 6));
         }
 
         // Strip equals
-        if (substr($expr, 0, 1) === '=') {
+        if (str_starts_with($expr, '=')) {
             $expr = ltrim(substr($expr, 1));
         }
 
@@ -195,7 +189,7 @@ public static function extractPluralCount(string $expr): int
             return 1;
         }
 
-        return intval($nplurals[1]);
+        return (int) $nplurals[1];
     }
 
     /**
@@ -281,7 +275,7 @@ private function selectString(int $n): int
     public function ngettext(string $msgid, string $msgidPlural, int $number): string
     {
         // this should contains all strings separated by NULLs
-        $key = implode(chr(0), [$msgid, $msgidPlural]);
+        $key = $msgid . "\u{0}" . $msgidPlural;
         if (! $this->cache->has($key)) {
             return $number !== 1 ? $msgidPlural : $msgid;
         }
@@ -291,13 +285,13 @@ public function ngettext(string $msgid, string $msgidPlural, int $number): strin
         // find out the appropriate form
         $select = $this->selectString($number);
 
-        $list = explode(chr(0), $result);
+        $list = explode("\u{0}", $result);
 
-        if (! isset($list[$select])) {
-            return $list[0];
+        if (array_key_exists($select, $list)) {
+            return $list[$select];
         }
 
-        return $list[$select];
+        return $list[0];
     }
 
     /**
@@ -310,9 +304,9 @@ public function ngettext(string $msgid, string $msgidPlural, int $number): strin
      */
     public function pgettext(string $msgctxt, string $msgid): string
     {
-        $key = implode(chr(4), [$msgctxt, $msgid]);
+        $key = $msgctxt . "\u{4}" . $msgid;
         $ret = $this->gettext($key);
-        if (strpos($ret, chr(4)) !== false) {
+        if ($ret === $key) {
             return $msgid;
         }
 
@@ -331,9 +325,9 @@ public function pgettext(string $msgctxt, string $msgid): string
      */
     public function npgettext(string $msgctxt, string $msgid, string $msgidPlural, int $number): string
     {
-        $key = implode(chr(4), [$msgctxt, $msgid]);
+        $key = $msgctxt . "\u{4}" . $msgid;
         $ret = $this->ngettext($key, $msgidPlural, $number);
-        if (strpos($ret, chr(4)) !== false) {
+        if (str_contains($ret, "\u{4}")) {
             return $msgid;
         }
 
@@ -374,7 +368,7 @@ public function getTranslations(): array
 
         throw new CacheException(sprintf(
             "Cache '%s' does not support getting translations",
-            get_class($this->cache),
+            $this->cache::class,
         ));
     }
 }
diff --git a/tests/MoFilesTest.php b/tests/MoFilesTest.php
index 91acee9..3706d2b 100644
--- a/tests/MoFilesTest.php
+++ b/tests/MoFilesTest.php
@@ -11,7 +11,7 @@
 
 use function basename;
 use function glob;
-use function strpos;
+use function str_contains;
 
 /**
  * Test for MO files parsing.
@@ -38,10 +38,10 @@ public function testMoFilePlurals(string $filename): void
     {
         $parser = $this->getTranslator($filename);
         $expected2 = '%d sekundy';
-        if (strpos($filename, 'invalid-formula.mo') !== false || strpos($filename, 'lessplurals.mo') !== false) {
+        if (str_contains($filename, 'invalid-formula.mo') || str_contains($filename, 'lessplurals.mo')) {
             $expected0 = '%d sekunda';
             $expected2 = '%d sekunda';
-        } elseif (strpos($filename, 'plurals.mo') !== false || strpos($filename, 'noheader.mo') !== false) {
+        } elseif (str_contains($filename, 'plurals.mo') || str_contains($filename, 'noheader.mo')) {
             $expected0 = '%d sekundy';
         } else {
             $expected0 = '%d sekund';