PHP 5.6 compatibility and oter

I’ll just dump the whole report. I don’t know if you feel like looking into all of these, but some of them are obvious incompatibilites with old PHP versions you might want to fix, or you bump the required PHP version.

testVersion was configured to 5.6-99.0

/tmp/advanced-access-manager # phpcs --standard=PHPCompatibility -p .
…………………..W……………………………… 60 / 184 (33%)
……………………………..E……………..E.EE… 120 / 184 (65%)
E…………E…………………..E…………….E….S 180 / 184 (98%)
SSS. 184 / 184 (100%)

FILE: /tmp/advanced-access-manager/application/Service/Content.php

FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE

1020 | WARNING | Method name "AAM_Service_Content::__mapPostTypeCaps" is discouraged; PHP has reserved all method names with a double underscore prefix

| | for future use.

FILE: /tmp/advanced-access-manager/application/Backend/tmpl/page/subject-panel.php

FOUND 2 ERRORS AFFECTING 2 LINES

73 | ERROR | Late static binding is not supported outside of class scope.

78 | ERROR | Late static binding is not supported outside of class scope.

FILE: /tmp/advanced-access-manager/application/Backend/tmpl/metabox/principal-iframe.php

FOUND 3 ERRORS AFFECTING 3 LINES

17 | ERROR | Late static binding is not supported outside of class scope.
19 | ERROR | Late static binding is not supported outside of class scope.

24 | ERROR | Late static binding is not supported outside of class scope.

FILE: /tmp/advanced-access-manager/application/Backend/tmpl/metabox/post-iframe.php

FOUND 3 ERRORS AFFECTING 3 LINES

18 | ERROR | Late static binding is not supported outside of class scope.
22 | ERROR | Late static binding is not supported outside of class scope.

32 | ERROR | Late static binding is not supported outside of class scope.

FILE: /tmp/advanced-access-manager/application/Backend/tmpl/metabox/user-iframe.php

FOUND 3 ERRORS AFFECTING 3 LINES

17 | ERROR | Late static binding is not supported outside of class scope.
22 | ERROR | Late static binding is not supported outside of class scope.

33 | ERROR | Late static binding is not supported outside of class scope.

FILE: /tmp/advanced-access-manager/application/Backend/tmpl/metabox/main-iframe.php

FOUND 6 ERRORS AFFECTING 6 LINES

22 | ERROR | Late static binding is not supported outside of class scope.
27 | ERROR | Late static binding is not supported outside of class scope.
33 | ERROR | Late static binding is not supported outside of class scope.
225 | ERROR | Late static binding is not supported outside of class scope.
226 | ERROR | Late static binding is not supported outside of class scope.

231 | ERROR | Late static binding is not supported outside of class scope.

FILE: /tmp/advanced-access-manager/application/Core/Cli.php

FOUND 2 ERRORS AFFECTING 2 LINES

56 | ERROR | The function is_iterable() is not present in PHP version 7.0 or earlier

120 | ERROR | The function is_iterable() is not present in PHP version 7.0 or earlier

FILE: /tmp/advanced-access-manager/application/Core/Jwt/Manager.php

FOUND 3 ERRORS AFFECTING 3 LINES

266 | ERROR | The function sodium_crypto_sign_detached() is not present in PHP version 7.1 or earlier
297 | ERROR | string return type is not present in PHP version 5.6 or earlier

406 | ERROR | The function sodium_crypto_sign_verify_detached() is not present in PHP version 7.1 or earlier

FILE: /tmp/advanced-access-manager/application/Core/Restful/Role.php

FOUND 1 ERROR AFFECTING 1 LINE

25 | ERROR | Function name, class name, namespace name or constant name can not be reserved keyword 'NAMESPACE' (since version 5.3)

FILE: /tmp/advanced-access-manager/media/js/iframe-content.js

FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE

1 | WARNING | File appears to be minified and cannot be processed

FILE: /tmp/advanced-access-manager/media/js/vendor.js

FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE

1 | WARNING | File appears to be minified and cannot be processed

FILE: /tmp/advanced-access-manager/media/js/iframe-resizer.js

FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE

1 | WARNING | File appears to be minified and cannot be processed

FILE: /tmp/advanced-access-manager/media/css/vendor.min.css

FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE

1 | WARNING | File appears to be minified and cannot be processed

Time: 6.16 secs; Memory: 102.01MB