fix: PHPStan level 8 compatibility

src/AsFloat.php

@@ -24,7 +24,10 @@ private function compile(string $value): string
             PHP;
     }
 
-    private function evaluate(array $context, string $value)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $value): float
     {
         return (float) $value;
     }

src/AsInteger.php

@@ -24,7 +24,10 @@ private function compile(string $value): string
             PHP;
     }
 
-    private function evaluate(array $context, string $value)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $value): int
     {
         return (int) $value;
     }

src/AsString.php

@@ -24,6 +24,9 @@ private function compile(string $value): string
             PHP;
     }
 
+    /**
+     * @param array<string, mixed> $context
+     */
     private function evaluate(array $context, int|float|string $value): string
     {
         return (string) $value;

src/Capitalize.php

@@ -30,12 +30,11 @@ private function compile(string $input): string
             PHP;
     }
 
-    private function evaluate(array $context, string $input)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $input): string
     {
-        return !\is_string($input) ?
-            null :
-            (
-                mb_convert_case(mb_substr($input, 0, 1), \MB_CASE_UPPER).mb_substr($input, 1, -1)
-            );
+        return mb_convert_case(mb_substr($input, 0, 1), \MB_CASE_UPPER).mb_substr($input, 1, -1);
     }
 }

src/CapitalizeWords.php

@@ -30,12 +30,11 @@ private function compile(string $input): string
             PHP;
     }
 
-    private function evaluate(array $context, string $input)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $input): string
     {
-        return !\is_string($input) ?
-            null :
-            (
-                mb_convert_case($input, \MB_CASE_TITLE)
-            );
+        return mb_convert_case($input, \MB_CASE_TITLE);
     }
 }

src/ConvertCharCode.php

@@ -24,7 +24,10 @@ private function compile(string $text, string $sourceCharCode, string $destinati
             PHP;
     }
 
-    private function evaluate(array $context, string $text, string $sourceCharCode, string $destinationCharCode)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $text, string $sourceCharCode, string $destinationCharCode): string|false
     {
         return iconv($sourceCharCode, $destinationCharCode, $text);
     }

src/DateTime.php

@@ -17,14 +17,19 @@ public function __construct($name)
         );
     }
 
-    private function compile(string $date, string $format, string $timezone = 'null'): string
+    private function compile(string $date, string $format, ?string $timezone = null): string
     {
+        $timezoneArg = $timezone === null ? 'null' : "{$timezone} !== null ? new \\DateTimeZone({$timezone}) : null";
+
         return <<<"PHP"
-                \\DateTimeImmutable::createFromFormat({$format}, {$date}, {$timezone} !== null ? new \\DateTimeZone({$timezone}) : null)
+                \\DateTimeImmutable::createFromFormat({$format}, {$date}, {$timezoneArg})
             PHP;
     }
 
-    private function evaluate(array $context, string $date, string $format, string $timezone = null)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $date, string $format, ?string $timezone = null): \DateTimeImmutable|false
     {
         return \DateTimeImmutable::createFromFormat($format, $date, null !== $timezone ? new \DateTimeZone($timezone) : null);
     }

src/FileName.php

@@ -17,14 +17,17 @@ public function __construct($name)
         );
     }
 
-    private function compile($file): string
+    private function compile(mixed $file): string
     {
         return <<<COMPILED
             (!is_string({$file}) ? null : pathinfo({$file}, PATHINFO_FILENAME))
             COMPILED;
     }
 
-    private function evaluate(array $context, $file)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, mixed $file): ?string
     {
         return !\is_string($file) ? null : pathinfo($file, \PATHINFO_FILENAME);
     }

src/FormatDate.php

@@ -24,7 +24,10 @@ private function compile(string $dateTime, string $format): string
             PHP;
     }
 
-    private function evaluate(array $context, \DateTimeInterface $dateTime, string $format)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, \DateTimeInterface $dateTime, string $format): string
     {
         return $dateTime->format($format);
     }

src/Now.php

@@ -17,14 +17,19 @@ public function __construct($name)
         );
     }
 
-    private function compile(string $timezone = null): string
+    private function compile(?string $timezone = null): string
     {
+        $timezoneArg = $timezone === null ? 'null' : "{$timezone} !== null ? new \\DateTimeZone({$timezone}) : null";
+
         return <<<PHP
-                (new \\DateTime('now', {$timezone} !== null ? new \\DateTimeZone({$timezone}) : null))
+                (new \\DateTime('now', {$timezoneArg}))
             PHP;
     }
 
-    private function evaluate(array $context, string $timezone = null)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, ?string $timezone = null): \DateTime
     {
         return new \DateTime('now', null !== $timezone ? new \DateTimeZone($timezone) : null);
     }

src/ToLowerCase.php

@@ -30,12 +30,11 @@ private function compile(string $input): string
             PHP;
     }
 
-    private function evaluate(array $context, string $input)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $input): string
     {
-        return !\is_string($input) ?
-            null :
-            (
-                mb_convert_case($input, \MB_CASE_LOWER)
-            );
+        return mb_convert_case($input, \MB_CASE_LOWER);
     }
 }

src/ToUpperCase.php

@@ -30,12 +30,11 @@ private function compile(string $input): string
             PHP;
     }
 
-    private function evaluate(array $context, string $input)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $input): string
     {
-        return !\is_string($input) ?
-            null :
-            (
-                mb_convert_case($input, \MB_CASE_UPPER)
-            );
+        return mb_convert_case($input, \MB_CASE_UPPER);
     }
 }

src/Truncate.php

@@ -29,7 +29,10 @@ private function compile(string $input, string $limit): string
             PHP;
     }
 
-    private function evaluate(array $context, string $input, int $limit)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $input, int $limit): string
     {
         return mb_strlen($input) > $limit ?
             (

src/TruncateFileName.php

@@ -32,14 +32,13 @@ private function compile(string $filename, string $length): string
             PHP;
     }
 
-    private function evaluate(array $context, string $filename, int $length)
+    /**
+     * @param array<string, mixed> $context
+     */
+    private function evaluate(array $context, string $filename, int $length): string
     {
-        return !\is_string($filename) ?
-            null :
-            (
-                \strlen($basename = pathinfo($filename, \PATHINFO_BASENAME)) > $length ?
-                    $basename.'.'.pathinfo($filename, \PATHINFO_EXTENSION) :
-                    $filename
-            );
+        return \strlen($basename = pathinfo($filename, \PATHINFO_BASENAME)) > $length
+            ? $basename.'.'.pathinfo($filename, \PATHINFO_EXTENSION)
+            : $filename;
     }
 }