phpstan-src/tests/PHPStan/Analyser/nsrt/bug-13857.php at 7647ecf337dc9c42cda5755a4a47adb9c559d9c6 · phpstan/phpstan-src · GitHub

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<?php

declare(strict_types = 1);

namespace Bug13857;

use function PHPStan\Testing\assertType;

/**
 * @param array<int, array{state: string}> $array
 */
function test(array $array, int $id): void {
	$array[$id]['state'] = 'foo';
	// only one element was set to 'foo', not all of them.
	assertType("non-empty-array<int, array{state: string}>", $array);
}

/**
 * @param array<int, array{state?: string}> $array
 */
function testMaybe(array $array, int $id): void {
	$array[$id]['state'] = 'foo';
	// only one element was set to 'foo', not all of them.
	assertType("non-empty-array<int, array{state?: string}>", $array);
}

/**
 * @param array<int, array{state: string|bool}> $array
 */
function testUnionValue(array $array, int $id): void {
	$array[$id]['state'] = 'foo';
	// only one element was set to 'foo', not all of them.
	assertType("non-empty-array<int, array{state: bool|string}>", $array);
}

/**
 * @param array<int, array{state: string}|array{foo: int}> $array
 */
function testUnionArray(array $array, int $id): void {
	$array[$id]['state'] = 'foo';
	// only one element was set to 'foo', not all of them.
	assertType("non-empty-array<int, non-empty-array{foo?: int, state?: string}>", $array);
}

/**
 * @param array<int, array{state: string}|array{foo: int}> $array
 */
function testUnionArrayDifferentType(array $array, int $id): void {
	$array[$id]['state'] = true;
	assertType("non-empty-array<int, array{state: string}|non-empty-array{foo?: int, state?: true}>", $array);
}

/**
 * @param array<int, array{state: 'foo'}> $array
 */
function testConstantArray(array $array, int $id): void {
	$array[$id]['state'] = 'bar';
	assertType("non-empty-array<int, array{state: 'bar'}|array{state: 'foo'}>", $array);
}

/**
 * @param array<int, array{state: 'foo'}> $array
 */
function testConstantArrayNonScalarAssign(array $array, int $id, bool $b): void {
	$array[$id]['state'] = $b;
	assertType("non-empty-array<int, array{state: 'foo'}|array{state: bool}>", $array);
}