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Basic array shape required-key checks

Group: Arrays and shapes · Category: phpdoc · File: arrays_shape_required_keys.php

References: - PHPStan array shape syntax - Psalm array shape syntax

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 
arrays_shape_required_keys.php:24: Argument 1 ($config) is ['host'=>'localhost'] of type array{host:'localhost'} but \Conformance\Tests\ArraysShapeRequiredKeys\takesConfig() takes array{host:string,port:int} defined at /Users/megurine/repo/php/php-typing-conformance/conformance/tests/arrays_shape_required_keys.php:18 [PhanTypeMismatchArgument]
phpstan 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 Pass reported Lv.5+ 
arrays_shape_required_keys.php:24: Parameter #1 $config of function Conformance\Tests\ArraysShapeRequiredKeys\takesConfig expects array{host: string, port: int}, array{host: 'localhost'} given. [identifier=argument.type] [reported-from-level=5]
With strict-rules
arrays_shape_required_keys.php:24: Parameter #1 $config of function Conformance\Tests\ArraysShapeRequiredKeys\takesConfig expects array{host: string, port: int}, array{host: 'localhost'} given. [identifier=argument.type]
psalm 6.16.1Psalm 6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac
next: 7.0.0-beta19		 Pass 
arrays_shape_required_keys.php:24: Argument 1 of Conformance\Tests\ArraysShapeRequiredKeys\takesConfig expects array{host: string, port: int}, but array{host: 'localhost'} provided [InvalidArgument]
mago 1.46.0mago 1.46.0 Pass 
arrays_shape_required_keys.php:24: Possible argument type mismatch for argument #1 of `Conformance\Tests\ArraysShapeRequiredKeys\takesConfig`: expected `array{'host': string, 'port': int}`, but possibly received `array{'host': string('localhost')}`. [possibly-invalid-argument]
mir 0.70.1mir 0.70.1 Pass 
arrays_shape_required_keys.php:24: InvalidArgument: Argument $config of takesConfig() expects 'array{'host': string, 'port': int}', got 'array{'host': "localhost"}' [MIR0201]
phpantom 0.9.0phpantom_lsp 0.9.0 Fail

No diagnostics reported.

Expectation diff
Line 24: Expected 1 error(s)
intelephense 1.18.5intelephense 1.18.5 Fail

No diagnostics reported.

Expectation diff
Line 24: Expected 1 error(s)
phpy 0.2.0phpy 0.2.0 Fail

No diagnostics reported.

Expectation diff
Line 24: Expected 1 error(s)
qodana 262.8665.325Qodana 262.8665.325 Pass 
arrays_shape_required_keys.php:24: Incomplete array according to shape declaration. Missing key(s): port [PhpMissingArrayKeyInspection]
noverify 0.5.5NoVerify, version 0.5.5: built on: 2025.04.22 14:36:46 OS: r-kuchinskas arm64 Commit: 4774b82f8adc53fbef38f95e97af4b953b4d1529 Fail 
arrays_shape_required_keys.php:18: param $config miss matched with phpdoc type <<array{host: string, port: int}>> [funcParamTypeMissMatch]
Expectation diff
Line 24: Expected 1 error(s)
Line 18: Unexpected errors ["param $config miss matched with phpdoc type <<array{host: string, port: int}>> [funcParamTypeMissMatch]"]
steins 0.1.5steins 0.1.5 (2026-08-12 revision 39b4cc1) Pass 
arrays_shape_required_keys.php:24: argument ['host' => 'localhost'] to takesConfig() violates declared @param array{host: string, port: int} $config — declared contract violation [phpdoc.param-mismatch]
phpstan-strict 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 Pass 
arrays_shape_required_keys.php:24: Parameter #1 $config of function Conformance\Tests\ArraysShapeRequiredKeys\takesConfig expects array{host: string, port: int}, array{host: 'localhost'} given. [identifier=argument.type]
psalm-next 7.0.0-beta19Psalm 7.0.0-beta19@7e751c06a756fa64dc4c759c09fe4a173afcb433 Pass 
arrays_shape_required_keys.php:24: Argument 1 of Conformance\Tests\ArraysShapeRequiredKeys\takesConfig expects array{host: string, port: int}, but array{host: 'localhost'} provided [InvalidArgument]

Source

<?php

declare(strict_types=1);

namespace Conformance\Tests\ArraysShapeRequiredKeys;

/**
 * Basic array shape required-key checks.
 *
 * References:
 * - PHPStan array shape syntax
 * - Psalm array shape syntax
 */

/**
 * @param array{host: string, port: int} $config
 */
function takesConfig(array $config): void
{
}

takesConfig(['host' => 'localhost', 'port' => 3306]);

takesConfig(['host' => 'localhost']); // E: required shape key is missing