`Mago\inspect()`

Group: Debug features · Category: extension · File: debug_mago_inspect.php

Mago's type-inspection helper (any expression, not only variables). Other analyzers typically treat it as an undefined function. References: - Mago analyzer: Mago\inspect() type-inspection help diagnostic

Analyzer results

Analyzer	Version	Result	Diagnostics
phan	6.0.10Phan 6.0.10 php-ast version 1.1.3 PHP version used to run Phan: 8.5.11	Not enforced	debug_mago_inspect.php:22: Call to undeclared function \Mago\inspect() [PhanUndeclaredFunction] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
phpstan	2.3.1PHPStan - PHP Static Analysis Tool 2.3.1	Not enforced reported Lv.0+	debug_mago_inspect.php:22: Function Mago\inspect not found. [reported-from-level=0] With strict-rules debug_mago_inspect.php:22: Function Mago\inspect not found. Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
psalm	6.20.0Psalm 6.20.0@804f03c0c183d149fcd4b8c7c0c9b3fbf836d34c next: 7.0.0-rc2	Not enforced	debug_mago_inspect.php:22: Function Mago\inspect does not exist, consider enabling the allFunctionsGlobal config option if scanning legacy codebases [UndefinedFunction] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
mago	1.57.0mago 1.57.0	Enforced	debug_mago_inspect.php:22: Type information for arguments of `Mago\inspect()` call. [type-inspection] Recognition: spelling resolved Enforcement: 1/1 of the expected violations reported
mir	0.87.0mir 0.87.0	Not enforced	debug_mago_inspect.php:22: UndefinedFunction: Function Mago\inspect() is not defined [MIR0003] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
phpantom	0.11.1phpantom_lsp 0.11.1	Not enforced	debug_mago_inspect.php:22: Function 'Mago\inspect' not found [unknown_function] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
intelephense	1.18.5intelephense 1.18.5	Not enforced	debug_mago_inspect.php:22: Undefined function 'Mago\inspect'. [P1010] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
phpactor	2026.10.07.0Phpactor 2026.10.07.0	Enforced	debug_mago_inspect.php:22: Function "inspect" not found [unresolved_name] Recognition: spelling resolved Enforcement: 1/1 of the expected violations reported
phpy	1.0.19409phpy 1.0.19409	Not enforced	debug_mago_inspect.php:22: Call to unknown function: 'Mago\inspect' Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
qodana	262.10968.76PhpStorm 262.10968.76	Not enforced	debug_mago_inspect.php:22: Undefined namespace 'Mago' [PhpUndefinedNamespaceInspection] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
noverify	0.5.5NoVerify, version 0.5.5: built on: 2025.04.22 14:36:46 OS: r-kuchinskas arm64 Commit: 4774b82f8adc53fbef38f95e97af4b953b4d1529	Not enforced	debug_mago_inspect.php:22: Call to undefined function \Mago\inspect [undefinedFunction] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
steins	0.1.8steins 0.1.8 (2026-09-21 revision 76306a9)	Not enforced	debug_mago_inspect.php:22: call to undefined function Mago\inspect() — not defined in the project, not on PHP 8.5.11 (70 extensions) [call.undefined-function] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
phpstan-strict	2.3.1PHPStan - PHP Static Analysis Tool 2.3.1	Not enforced	debug_mago_inspect.php:22: Function Mago\inspect not found. Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported
psalm-next	7.0.0-rc2Psalm 7.0.0-rc2@20339e3fe5b8d03bcd8061030eb2a83ad50e5783	Not enforced	debug_mago_inspect.php:22: Function Mago\inspect does not exist, consider enabling the allFunctionsGlobal config option if scanning legacy codebases [UndefinedFunction] Recognition: spelling resolved Enforcement: 0/1 of the expected violations reported

Source

<?php

declare(strict_types=1);

namespace Conformance\Tests\DebugMagoInspect;

/**
 * Cross-tool handling of `Mago\inspect()`.
 *
 * Mago's type-inspection helper (any expression, not only variables). Other
 * analyzers typically treat it as an undefined function.
 *
 * References:
 * - Mago analyzer: `Mago\inspect()` type-inspection help diagnostic
 *
 * @conformance-kind debug
 */

function example(int|string $value): void // T: Mago\inspect
{
    if (\is_int($value)) {
        \Mago\inspect($value); // E?: reports the inferred type; foreign undefined-function is not enforcement
    }
}