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Bug #67270 Interface inferitance conflicting parent method
Submitted: 2014-05-13 19:57 UTC Modified: 2021-06-30 14:27 UTC
Avg. Score:4.0 ± 1.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:1 (100.0%)
From: eugen dot alter at gmail dot com Assigned: cmb (profile)
Status: Duplicate Package: Scripting Engine problem
PHP Version: 5.5.12 OS: Any
Private report: No CVE-ID: None
 [2014-05-13 19:57 UTC] eugen dot alter at gmail dot com
PHP does not restrict extension of two interfaces that have conflicting methods if extension is made right-to-left.

Test script:
interface Foo
   public function test(array $x, $y=0);

interface Bar
   public function test(array $x, $y);

interface Baz extends Foo, Bar {}

//however, this will fail with expected fatal error:
//interface Baz extends Bar, Foo {}

Expected result:
Fatal error: Declaration of Bar::test() must be compatible with

Actual result:
All goes well. No error happened.


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 [2018-05-23 12:40 UTC]
-Status: Open +Status: Verified -Package: *General Issues +Package: Scripting Engine problem
 [2018-05-23 12:40 UTC]
Confirmed: <> vs. <>.
 [2021-06-30 14:27 UTC]
-Status: Verified +Status: Duplicate -Assigned To: +Assigned To: cmb
 [2021-06-30 14:27 UTC]
I'm closing this as duplicate of bug #76361.
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