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Basic @throws compatibility checks

Group: Exceptions · Category: conventional · File: exceptions_throws_docblock.php · Kind: Style / opinionated (no runtime-safety impact)

References: - phpDocumentor @throws

Analyzer results

AnalyzerVersionResultDiagnostics
phan 6.0.7Phan 6.0.7 php-ast version 1.1.3 PHP version used to run Phan: 8.5.9 Pass

No diagnostics reported.

phpstan 2.2.11PHPStan - PHP Static Analysis Tool 2.2.11 Pass

No diagnostics reported.

psalm 6.16.1Psalm 6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac
next: 7.0.0-beta19
Pass

No diagnostics reported.

mago 1.47.4mago 1.47.4 Pass

No diagnostics reported.

mir 0.72.1mir 0.72.1 Pass

No diagnostics reported.

phpantom 0.10.0phpantom_lsp 0.10.0 Pass

No diagnostics reported.

intelephense 1.18.5intelephense 1.18.5 Pass

No diagnostics reported.

phpactor 2026.07.22.0Phpactor 2026.07.22.0 Pass

No diagnostics reported.

phpy 0.2.0phpy 0.2.0 Pass

No diagnostics reported.

qodana 262.9437.196Qodana 262.9437.196 Fail
exceptions_throws_docblock.php:8: Undefined class 'compatibility' [PhpUndefinedClassInspection]
Expectation diff
Line 8: Unexpected errors ["Undefined class 'compatibility' [PhpUndefinedClassInspection]"]
noverify 0.5.5NoVerify, version 0.5.5: built on: 2025.04.22 14:36:46 OS: r-kuchinskas arm64 Commit: 4774b82f8adc53fbef38f95e97af4b953b4d1529 Pass

No diagnostics reported.

steins 0.1.6steins 0.1.6 (2026-08-25 revision c13b4c7) Pass

No diagnostics reported.

phpstan-strict 2.2.11PHPStan - PHP Static Analysis Tool 2.2.11 Pass

No diagnostics reported.

psalm-next 7.0.0-beta19Psalm 7.0.0-beta19@7e751c06a756fa64dc4c759c09fe4a173afcb433 Pass

No diagnostics reported.

Source

<?php

declare(strict_types=1);

namespace Conformance\Tests\ExceptionsThrowsDocblock;

/**
 * Basic @throws compatibility checks.
 *
 * References:
 * - phpDocumentor @throws
 *
 * @conformance-kind style
 */

final class CustomException extends \RuntimeException
{
}

/**
 * @throws CustomException
 */
function alwaysThrows(): never
{
    throw new CustomException('boom');
}

/**
 * @throws \RuntimeException
 */
function documentedAsRuntime(): void
{
    alwaysThrows();
}