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Bug #71211 ReflectionClass->isAbstract() returns false for traits
Submitted: 2015-12-24 11:32 UTC Modified: 2015-12-25 04:00 UTC
From: lisachenko dot it at gmail dot com Assigned:
Status: Not a bug Package: Reflection related
PHP Version: 7.0.1 OS:
Private report: No CVE-ID: None
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 [2015-12-24 11:32 UTC] lisachenko dot it at gmail dot com
Looks like some constant values was changed in PHP7.0, after that ReflectionClass->isAbstract() for traits starts to return "false", whereas in earlier versions of PHP result was "true".

Test script:
trait Foo {}

$ref = new ReflectionClass('Foo');

Expected result:

Actual result:


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 [2015-12-25 04:00 UTC]
-Status: Open +Status: Not a bug
 [2015-12-25 04:00 UTC]
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at and the instructions on how to report
a bug at

traits are not abstarct. the new behavior is better.
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Last updated: Tue Nov 28 23:01:27 2023 UTC