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--TEST--
Bug #81582: Stringable not implicitly declared if __toString() came from a trait
--FILE--
<?php
trait T {
public function __toString(): string {
return "ok";
}
}
trait T2 {
use T;
}
class C {
use T;
}
class C2 {
use T2;
}
var_dump(new C instanceof Stringable);
var_dump(new C2 instanceof Stringable);
// The traits themselves should not implement Stringable -- traits cannot implement interfaces.
$rc = new ReflectionClass(T::class);
var_dump($rc->getInterfaceNames());
$rc = new ReflectionClass(T2::class);
var_dump($rc->getInterfaceNames());
?>
--EXPECT--
bool(true)
bool(true)
array(0) {
}
array(0) {
}
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