Add missing dots at the end of exception messages

ApcClassLoader.php

@@ -113,6 +113,8 @@ class ApcClassLoader
 
             return true;
         }
+
+        return null;
     }
 
     /**

ClassCollectionLoader.php

@@ -63,7 +63,7 @@ class ClassCollectionLoader
 
         // cache the core classes
         if (!is_dir($cacheDir) && !@mkdir($cacheDir, 0777, true) && !is_dir($cacheDir)) {
-            throw new \RuntimeException(sprintf('Class Collection Loader was not able to create directory "%s"', $cacheDir));
+            throw new \RuntimeException(sprintf('Class Collection Loader was not able to create directory "%s".', $cacheDir));
         }
         $cacheDir = rtrim(realpath($cacheDir) ?: $cacheDir, '/'.\DIRECTORY_SEPARATOR);
         $cache = $cacheDir.'/'.$name.$extension;
@@ -133,7 +133,7 @@ class ClassCollectionLoader
         // cache the core classes
         $cacheDir = \dirname($cache);
         if (!is_dir($cacheDir) && !@mkdir($cacheDir, 0777, true) && !is_dir($cacheDir)) {
-            throw new \RuntimeException(sprintf('Class Collection Loader was not able to create directory "%s"', $cacheDir));
+            throw new \RuntimeException(sprintf('Class Collection Loader was not able to create directory "%s".', $cacheDir));
         }
 
         $spacesRegex = '(?:\s*+(?:(?:\#|//)[^\n]*+\n|/\*(?:(?<!\*/).)++)?+)*+';
@@ -336,7 +336,7 @@ REGEX;
             try {
                 $reflectionClass = new \ReflectionClass($class);
             } catch (\ReflectionException $e) {
-                throw new \InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
+                throw new \InvalidArgumentException(sprintf('Unable to load class "%s".', $class));
             }
 
             $map = array_merge($map, self::getClassHierarchy($reflectionClass));

ClassLoader.php

@@ -161,6 +161,8 @@ class ClassLoader
 
             return true;
         }
+
+        return null;
     }
 
     /**
@@ -203,5 +205,7 @@ class ClassLoader
         if ($this->useIncludePath && $file = stream_resolve_include_path($classPath)) {
             return $file;
         }
+
+        return null;
     }
 }

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2019 Fabien Potencier
+Copyright (c) 2004-2020 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

MapClassLoader.php

@@ -63,8 +63,6 @@ class MapClassLoader
      */
     public function findFile($class)
     {
-        if (isset($this->map[$class])) {
-            return $this->map[$class];
-        }
+        return isset($this->map[$class]) ? $this->map[$class] : null;
     }
 }

Psr4ClassLoader.php

@@ -55,6 +55,8 @@ class Psr4ClassLoader
                 }
             }
         }
+
+        return null;
     }
 
     /**

README.md

@@ -7,7 +7,7 @@ their locations for performance.
 Resources
 ---------
 
-  * [Documentation](https://symfony.com/doc/current/components/class_loader/index.html)
+  * [Documentation](https://symfony.com/doc/current/components/class_loader.html)
   * [Contributing](https://symfony.com/doc/current/contributing/index.html)
   * [Report issues](https://github.com/symfony/symfony/issues) and
     [send Pull Requests](https://github.com/symfony/symfony/pulls)

Tests/ClassCollectionLoaderTest.php

@@ -208,11 +208,9 @@ class ClassCollectionLoaderTest extends TestCase
         ];
     }
 
-    /**
-     * @expectedException \InvalidArgumentException
-     */
     public function testUnableToLoadClassException()
     {
+        $this->expectException('InvalidArgumentException');
         if (is_file($file = sys_get_temp_dir().'/foo.php')) {
             unlink($file);
         }

WinCacheClassLoader.php

@@ -112,6 +112,8 @@ class WinCacheClassLoader
 
             return true;
         }
+
+        return null;
     }
 
     /**

XcacheClassLoader.php

@@ -106,6 +106,8 @@ class XcacheClassLoader
 
             return true;
         }
+
+        return null;
     }
 
     /**