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✏️ Editing: DeadCatchSniff.php

<?php declare(strict_types = 1);

namespace SlevomatCodingStandard\Sniffs\Exceptions;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use SlevomatCodingStandard\Helpers\CatchHelper;
use SlevomatCodingStandard\Helpers\TokenHelper;
use function in_array;
use const T_CATCH;

class DeadCatchSniff implements Sniff
{

public const CODE_CATCH_AFTER_THROWABLE_CATCH = 'CatchAfterThrowableCatch';

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

/**
	 * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
	 * @param int $catchPointer
	 */
	public function process(File $phpcsFile, $catchPointer): void
	{
		$tokens = $phpcsFile->getTokens();

$catchToken = $tokens[$catchPointer];
		$caughtTypes = CatchHelper::findCaughtTypesInCatch($phpcsFile, $catchToken);

if (!in_array('\\Throwable', $caughtTypes, true)) {
			return;
		}

$nextCatchPointer = TokenHelper::findNextEffective($phpcsFile, $catchToken['scope_closer'] + 1);

while ($nextCatchPointer !== null) {
			$nextCatchToken = $tokens[$nextCatchPointer];
			if ($nextCatchToken['code'] !== T_CATCH) {
				break;
			}

$phpcsFile->addError('Unreachable catch block.', $nextCatchPointer, self::CODE_CATCH_AFTER_THROWABLE_CATCH);

$nextCatchPointer = TokenHelper::findNextEffective($phpcsFile, $nextCatchToken['scope_closer'] + 1);
		}
	}

}

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