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archived-php-src/ext/opcache/tests/preload_variance.inc
Nikita Popov b250f89b92 Preloading: Relax known type restrictions
Check whether there is a parent/interface/trait method with the same
name and only then require the type to be known. This reduces the
number of cases where this triggers in practice a lot.
2019-07-04 12:20:32 +02:00

44 lines
848 B
PHP

<?php
// Requires X, delay to runtime.
// TODO: It is not actually required, because we don't need X to check inheritance in this case.
class A extends Z {
public function method(X $a) {}
}
class B extends Z {
public function method($a) : X {}
}
// Works.
class C extends Z {
public function method($a): self {}
public function method2($a): C {}
}
class D extends C {
public function method($a): self {}
public function method2($a): D {}
}
// Works.
interface I {}
interface J extends I {}
class E {
public function method($a): I {}
}
class F extends E {
public function method($a): J {}
}
// Requires K & L, delay to runtime.
class G {
public function method($a): K {}
}
class H extends G {
public function method($a): L {}
}
// Early-binding preventer.
class Z {
public function method(X $a) {}
}