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Add test for backtrace with aliased trait #8705

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merged 1 commit into from
Jun 30, 2022
Merged

Add test for backtrace with aliased trait #8705

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119 changes: 119 additions & 0 deletions Zend/tests/bug69180-backtrace.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,119 @@
--TEST--
Bug #69180: Backtrace does not honor trait conflict resolution / method aliasing
--FILE--
<?php

trait T {
public function __get($name): string {
var_dump(__METHOD__);
print_r(array_map(fn ($v) => $v['class'] . '::' . $v['function'], debug_backtrace()));

return '=' . $name;
}
}

class Model {
use T {
T::__get as private __t_get;
}

public function __get($name): string {
var_dump(__METHOD__);
return $this->__t_get($name);
}
}

class X extends Model {}

class Y extends Model {
public function __get($name): string {
var_dump(__METHOD__);
return parent::__get($name);
}
}

class Z extends Model {
private function __x_get($name): string {
var_dump(__METHOD__);
return parent::__get($name);
}

public function __get($name): string {
var_dump(__METHOD__);
return $this->__x_get($name);
}
}

class P extends Model {
private function __t_get($name): string {
var_dump(__METHOD__);
return parent::__get($name);
}

public function __get($name): string {
var_dump(__METHOD__);
return $this->__t_get($name);
}
}

$m = new X();
$m->a;

echo "\n";

$m = new Y();
$m->a;

echo "\n";

$m = new Z();
$m->a;

echo "\n";

$m = new P();
$m->a;

?>
--EXPECT--
string(12) "Model::__get"
string(8) "T::__get"
Array
(
[0] => Model::__t_get
[1] => Model::__get
)

string(8) "Y::__get"
string(12) "Model::__get"
string(8) "T::__get"
Array
(
[0] => Model::__t_get
[1] => Model::__get
[2] => Y::__get
)

string(8) "Z::__get"
string(10) "Z::__x_get"
string(12) "Model::__get"
string(8) "T::__get"
Array
(
[0] => Model::__t_get
[1] => Model::__get
[2] => Z::__x_get
[3] => Z::__get
)

string(8) "P::__get"
string(10) "P::__t_get"
string(12) "Model::__get"
string(8) "T::__get"
Array
(
[0] => Model::__t_get
[1] => Model::__get
[2] => P::__t_get
[3] => P::__get
)