Feat: Add NoUnneededImportAliasFixer (part of #94)

Author: OndraM

ecs.php

@@ -76,6 +76,7 @@
 use PhpCsFixer\Fixer\FunctionNotation\ReturnTypeDeclarationFixer;
 use PhpCsFixer\Fixer\FunctionNotation\VoidReturnFixer;
 use PhpCsFixer\Fixer\Import\NoLeadingImportSlashFixer;
+use PhpCsFixer\Fixer\Import\NoUnneededImportAliasFixer;
 use PhpCsFixer\Fixer\Import\NoUnusedImportsFixer;
 use PhpCsFixer\Fixer\Import\OrderedImportsFixer;
 use PhpCsFixer\Fixer\LanguageConstruct\DeclareEqualNormalizeFixer;
@@ -281,13 +282,15 @@
  ReturnTypeDeclarationFixer::class,
 
  VoidReturnFixer::class,
-
+ // Remove leading slashes in `use` clauses.
  NoLeadingImportSlashFixer::class,
-
+ // Imports should not be aliased as the same name.
+ NoUnneededImportAliasFixer::class,
+ // Unused `use` statements must be removed.
  NoUnusedImportsFixer::class,
-
+ // Order `use` statements.
  OrderedImportsFixer::class,
-
+ // Equal sign in declare statement should not be surrounded by spaces.
  DeclareEqualNormalizeFixer::class,
  // Replaces `is_null($var)` expression with `null === $var`
  IsNullFixer::class,

tests/Integration/Fixtures/Basic.correct.php.inc

@@ -1,5 +1,7 @@
 <?php declare(strict_types=1);
 
+use Bar\Foo; // NoUnneededImportAliasFixer
+
 class Basic
 {
  public const FOO = 'foo'; // ClassAttributesSeparationFixer
@@ -20,6 +22,9 @@ class Basic
  $className = DateTime::class;
  // ClassReferenceNameCasingFixer
  $date = new \DateTime();
+
+ $aliasedClass = new Foo();
+
  // SingleSpaceAfterConstructFixer, StrictComparisonFixer
  if ($a === $b || $bazLength !== 3) {
  return true;

tests/Integration/Fixtures/Basic.wrong.php.inc

@@ -1,5 +1,7 @@
 <?php
 
+use Bar\Foo as Foo; // NoUnneededImportAliasFixer
+
 class Basic
 {
  const FOO = 'foo'; // ClassAttributesSeparationFixer
@@ -19,6 +21,9 @@ class Basic
  $className = DateTime :: class;
  // ClassReferenceNameCasingFixer
  $date = new \datetime();
+
+ $aliasedClass = new Foo();
+
  // SingleSpaceAfterConstructFixer, StrictComparisonFixer
  if ($a == $b || $bazLength != 3) { return true; }
  return false; // BlankLineBeforeStatementFixer