Combine phpstan, cs-check, cs-fix into lint-php recipe; fix lint issues + test failures + duplicate detection bug

app/src/EmailObfuscator.php

@@ -50,7 +50,7 @@ class EmailObfuscator
     {
         return preg_replace_callback(
             '/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}\b/',
-            fn(array $m) => self::encode($m[0]),
+            fn (array $m) => self::encode($m[0]),
             $text
         );
     }
@@ -63,7 +63,7 @@ class EmailObfuscator
     {
         return preg_replace_callback(
             '/mailto:([A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,})/i',
-            fn(array $m) => 'mailto:' . self::encode($m[1]),
+            fn (array $m) => 'mailto:' . self::encode($m[1]),
             $text
         );
     }