<?php
namespace foo {
trait A { function x() { var_dump(self::class); } }
class Q { use \foo\A; }
class R extends Q {}
}
namespace {
class B { use \foo\A; }
class C { use \foo\A; }
class D extends C {}
function main() {
(new B)->x();
(new C)->x();
(new D)->x();
(new Q)->x();
(new R)->x();
}
main();
}
string(1) "B"
string(1) "C"
string(1) "C"
Fatal error: Uncaught Error: Class "Q" not found in /in/boZBh:18
Stack trace:
#0 /in/boZBh(22): main()
#1 {main}
thrown in /in/boZBh on line 18
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
string(1) "B"
string(1) "C"
string(1) "C"
Fatal error: Uncaught Error: Class "Q" not found in /in/boZBh:18
Stack trace:
#0 /in/boZBh(22): main()
#1 {main}
thrown in /in/boZBh on line 18
Process exited with code 255.
string(1) "B"
string(1) "C"
string(1) "C"
Fatal error: Uncaught Error: Class 'Q' not found in /in/boZBh:18
Stack trace:
#0 /in/boZBh(22): main()
#1 {main}
thrown in /in/boZBh on line 18
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
string(1) "B"
string(1) "C"
string(1) "C"
Fatal error: Class 'Q' not found in /in/boZBh on line 18
Process exited with code 255.