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name	type	size	perms	modified	actions
[parent directory]
AbstractFullyQualifiedGlobalReference.php	file	4,415 B	0644	2025-09-13 08:53:30	edit
AlphabeticallySortedUsesSniff.php	file	7,386 B	0644	2025-09-13 08:53:30	edit
DisallowGroupUseSniff.php	file	777 B	0644	2025-09-13 08:53:30	edit
FullyQualifiedClassNameInAnnotationSniff.php	file	5,189 B	0644	2025-09-13 08:53:30	edit
FullyQualifiedExceptionsSniff.php	file	4,914 B	0644	2025-09-13 08:53:30	edit
FullyQualifiedGlobalConstantsSniff.php	file	533 B	0644	2025-09-13 08:53:30	edit
FullyQualifiedGlobalFunctionsSniff.php	file	925 B	0644	2025-09-13 08:53:30	edit
MultipleUsesPerLineSniff.php	file	1,184 B	0644	2025-09-13 08:53:30	edit
NamespaceDeclarationSniff.php	file	4,272 B	0644	2025-09-13 08:53:30	edit
NamespaceSpacingSniff.php	file	5,136 B	0644	2025-09-13 08:53:30	edit
ReferenceUsedNamesOnlySniff.php	file	26,303 B	0644	2025-09-13 08:53:30	edit
RequireOneNamespaceInFileSniff.php	file	1,520 B	0644	2025-09-13 08:53:30	edit
UnusedUsesSniff.php	file	9,363 B	0644	2025-09-13 08:53:30	edit
UseDoesNotStartWithBackslashSniff.php	file	1,944 B	0644	2025-09-13 08:53:30	edit
UseFromSameNamespaceSniff.php	file	2,297 B	0644	2025-09-13 08:53:30	edit
UselessAliasSniff.php	file	2,241 B	0644	2025-09-13 08:53:30	edit
UseOnlyWhitelistedNamespacesSniff.php	file	1,899 B	0644	2025-09-13 08:53:30	edit
UseSpacingSniff.php	file	11,074 B	0644	2025-09-13 08:53:30	edit

editing: UselessAliasSniff.php

<?php declare(strict_types = 1);

namespace SlevomatCodingStandard\Sniffs\Namespaces;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use SlevomatCodingStandard\Helpers\FixerHelper;
use SlevomatCodingStandard\Helpers\NamespaceHelper;
use SlevomatCodingStandard\Helpers\TokenHelper;
use SlevomatCodingStandard\Helpers\UseStatementHelper;
use function count;
use function sprintf;
use const T_AS;
use const T_OPEN_TAG;
use const T_SEMICOLON;

class UselessAliasSniff implements Sniff
{

public const CODE_USELESS_ALIAS = 'UselessAlias';

/**
	 * @return array<int, (int|string)>
	 */
	public function register(): array
	{
		return [
			T_OPEN_TAG,
		];
	}

/**
	 * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
	 * @param int $openTagPointer
	 */
	public function process(File $phpcsFile, $openTagPointer): void
	{
		if (TokenHelper::findPrevious($phpcsFile, T_OPEN_TAG, $openTagPointer - 1) !== null) {
			return;
		}

$fileUseStatements = UseStatementHelper::getFileUseStatements($phpcsFile);

if (count($fileUseStatements) === 0) {
			return;
		}

foreach ($fileUseStatements as $useStatements) {
			foreach ($useStatements as $useStatement) {
				if ($useStatement->getAlias() === null) {
					continue;
				}

$unqualifiedName = NamespaceHelper::getUnqualifiedNameFromFullyQualifiedName($useStatement->getFullyQualifiedTypeName());
				if ($unqualifiedName !== $useStatement->getAlias()) {
					continue;
				}

$fix = $phpcsFile->addFixableError(
					sprintf('Useless alias "%s" for use of "%s".', $useStatement->getAlias(), $useStatement->getFullyQualifiedTypeName()),
					$useStatement->getPointer(),
					self::CODE_USELESS_ALIAS,
				);

if (!$fix) {
					continue;
				}

$asPointer = TokenHelper::findNext($phpcsFile, T_AS, $useStatement->getPointer() + 1);
				$nameEndPointer = TokenHelper::findPrevious($phpcsFile, TokenHelper::ONLY_NAME_TOKEN_CODES, $asPointer - 1);
				$useSemicolonPointer = TokenHelper::findNext($phpcsFile, T_SEMICOLON, $asPointer + 1);

$phpcsFile->fixer->beginChangeset();

FixerHelper::removeBetween($phpcsFile, $nameEndPointer, $useSemicolonPointer);

$phpcsFile->fixer->endChangeset();
			}
		}
	}

}

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