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PHPStan strict-rules opt-in detection for boolean conditions

Group: Analyzer directives · Category: extension · File: directives_phpstan_strict_bool_condition.php · Kind: Style / opinionated (no runtime-safety impact)

References: - PHPStan strict-rules boolean conditions

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 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 Pass (strict)
With strict-rules
directives_phpstan_strict_bool_condition.php:17: Only booleans are allowed in an if condition, int given. [identifier=if.condNotBoolean]
psalm 6.16.1Psalm 6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac
next: 7.0.0-beta19
Pass

No diagnostics reported.

mago 1.46.0mago 1.46.0 Pass

No diagnostics reported.

mir 0.70.1mir 0.70.1 Pass

No diagnostics reported.

phpantom 0.9.0phpantom_lsp 0.9.0 Pass

No diagnostics reported.

intelephense 1.18.5intelephense 1.18.5 Pass

No diagnostics reported.

phpy 0.2.0phpy 0.2.0 Pass

No diagnostics reported.

qodana 262.8665.325Qodana 262.8665.325 Pass

No diagnostics reported.

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 0.1.5steins 0.1.5 (2026-08-12 revision 39b4cc1) Pass

No diagnostics reported.

phpstan-strict 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 Pass
directives_phpstan_strict_bool_condition.php:17: Only booleans are allowed in an if condition, int given. [identifier=if.condNotBoolean]
psalm-next 7.0.0-beta19Psalm 7.0.0-beta19@7e751c06a756fa64dc4c759c09fe4a173afcb433 Pass

No diagnostics reported.

Source

<?php

declare(strict_types=1);

namespace Conformance\Tests\DirectivesPhpstanStrictBoolCondition;

/**
 * PHPStan strict-rules opt-in detection for boolean conditions.
 *
 * References:
 * - PHPStan strict-rules boolean conditions
 *
 * @conformance-kind style
 */
function isPositive(int $value): bool
{
    if ($value) { // E<phpstan-strict>: strict PHPStan requires an explicit boolean condition
        return true;
    }

    return false;
}