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@nikic nikic commented Mar 28, 2019

RFC: https://wiki.php.net/rfc/lsp_errors

When a method signature (LSP) check during inheritance fails, always generate a fatal compile error. Previously, this generated either a warning or a fatal error based on the following rules:

  • If the method signatures have an incompatible return type, generate a fatal error.
  • If the prototype of the method is abstract (or part of an interface), generate a fatal error.
  • Otherwise, generate a warning. Prior to PHP 7.0 a strict standards warnings was generated.

This change removes the distinction between abstract and non-abstract methods and always generates a fatal error.

@nikic nikic added the RFC label Mar 28, 2019
@nikic nikic force-pushed the inheritance-error branch from 214943d to bc1eaaf Compare March 28, 2019 13:33
--EXPECTF--
Warning: Declaration of D::f(array $a) should be compatible with C::f($a) in %s on line 5
Array hint, should be nothing.
==DONE==
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@morrisonlevi morrisonlevi Apr 8, 2019

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The ==DONE== looks like it was removed from expected text, but not from the program.

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nikic commented May 7, 2019

Merged as fd2db11 into master, with a few more "done" messages dropped per Levi's comment.

@nikic nikic closed this May 7, 2019
@carusogabriel carusogabriel added this to the PHP 8.0 milestone May 30, 2020
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3 participants