Fix aliased use statements leading to problem with classes called like keywords, fixes #9

Author: Seldaek

src/PhpFileParser.php

@@ -63,8 +63,8 @@ public static function findClasses(string $path): array
 
         Preg::matchAll('{
             (?:
-                 \b(?<![\$:>])(?P<type>class|interface|trait'.$extraTypes.') \s++ (?P<name>[a-zA-Z_\x7f-\xff:][a-zA-Z0-9_\x7f-\xff:\-]*+)
-               | \b(?<![\$:>])(?P<ns>namespace) (?P<nsname>\s++[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\s*+\\\\\s*+[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+)? \s*+ [\{;]
+                 \b(?<![\\\\$:>])(?P<type>class|interface|trait'.$extraTypes.') \s++ (?P<name>[a-zA-Z_\x7f-\xff:][a-zA-Z0-9_\x7f-\xff:\-]*+)
+               | \b(?<![\\\\$:>])(?P<ns>namespace) (?P<nsname>\s++[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\s*+\\\\\s*+[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+)? \s*+ [\{;]
             )
         }ix', $contents, $matches);
 

tests/Fixtures/psrViolations/ClassWithCorrectNameSpace.php

@@ -2,4 +2,6 @@
 
 namespace ExpectedNamespace;
 
+use Foo\Baz\Enum as Bar;
+
 class ClassWithCorrectNameSpace {}

tests/Fixtures/psrViolations/ClassWithIncorrectSubNamespace.php

@@ -2,4 +2,6 @@
 
 namespace ExpectedNamespace\UnexpectedSubNamespace;
 
-class ClassWithIncorrectSubNamespace {}
+use Foo\Baz\Enum as Bar;
+
+CLass ClassWithIncorrectSubNamespace {}