phpstan-src/tests/PHPStan/Analyser/nsrt/call-user-func_array.php at 6343ab3725f00ff37a5481292732d9da10b413ab · VincentLanglet/phpstan-src · GitHub

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<?php

namespace CallUserFuncArray;

use function PHPStan\Testing\assertType;

/**
 * @template T
 * @param T $t
 * @return T
 */
function generic($t) {
	return $t;
}

function fun(): int
{
	return 3;
}

function fun3($i, $x, $y): int
{
	return 3;
}

class c {
	static function m(): string
	{
		return 'hello';
	}
}

class Foo {
	function proxy() {
		$params = [
			'CallUserFunc\generic',
			[123, 456],
		];

		assertType('mixed', call_user_func_array(...$params));
	}

	/**
	 * @param string[] $strings
	 */
	function doFunc($strings) {
		assertType('true', call_user_func_array('CallUserFunc\generic', [true]));
		assertType('\'hello\'', call_user_func_array('CallUserFunc\generic', ['hello']));
		assertType('array<string>', call_user_func_array('CallUserFunc\generic', [$strings]));

		assertType('int', call_user_func_array('CallUserFunc\fun', []));
		assertType('int', call_user_func_array('CallUserFunc\fun3', [1 ,2 ,3]));
		assertType('string', call_user_func_array(['CallUserFunc\c', 'm'], []));
	}
}