PHP 7.1 Nullable types not being detected

[LucasKovacs]

PHP 7.1 nullable types are not being detected.

For example, the following block of code won't be identified as a PHP 7.1 block

<?php

function testReturn(): ?string
{
    return 'elePHPant';
}

var_dump(testReturn());

function testReturn(): ?string
{
    return null;
}

var_dump(testReturn());

function test(?string $name)
{
    var_dump($name);
}

test('elePHPant');
test(null);
test();

Currently using:
version 5.3.0
DB version 2.16.0
Installed via Composer

Reference:
https://www.php.net/manual/en/migration71.new-features.php

[llaville]

Thanks for reporting (with details: I appreciate a lot), but the situation is already known !

To resume, all versions until 5.3.0 are not yet ready to detect all PHP 7 features.
This is the main goal of future 5.4.0 that will come soon now.

Branch 5.4 is currently under huge refactoring to avoid monolithic architecture (legacy) code, enhance maintainibility, and allow to add easily fix about detection/feature missing.

I may be available to push to repository in few hours a running v5.4 that you can test !

[llaville]

With test script added by commit e89de39, future 5.4 will give such result :

 bin/phpcompatinfo analyser:run tests/fixtures/gh273.php

Data Source Analysed

Directories                                          1
Files                                                1
Errors                                               0


Extensions Analysis

    Extension Matches REF      EXT min/Max PHP min/Max PHP all
    Core              Core     4.0.0       4.0.0
    standard          standard 4.0.0       4.0.0
    Total [2]                              4.0.0

Namespaces Analysis

    Namespace Matches REF  EXT min/Max PHP min/Max PHP all
                      user             7.1.0
    Total [1]                          7.1.0

No interface found

No trait found

No class found

Functions Analysis

    Function    Matches REF      EXT min/Max PHP min/Max
    test                user                 7.1.0
    testReturn1         user                 7.1.0
    testReturn2         user                 7.1.0
    var_dump            standard 4.0.0       4.0.0
    Total [4]                                7.1.0

Constants Analysis

    Constant  Matches REF  EXT min/Max PHP min/Max
    null              Core 4.0.0       4.0.0
    Total [1]                          4.0.0

No condition found

Requires PHP 7.1.0 (min), PHP 7.1.0 (all)

[llaville]

@LucasKovacs : beta code is up and running in repo (branch 5.4), if you want to test the preview

[LucasKovacs]

@llaville I will give it a try! thanks :)

I was not aware that 5.3 did not have full support

[llaville]

See also commit 58660ad that handle parameters type hinting

[llaville]

Will be release in two weeks with official release 5.4.0