| --TEST-- |
| Attributes can be converted into objects. |
| --FILE-- |
| <?php |
|
|
| #[Attribute(Attribute::TARGET_FUNCTION)] |
| class A1 |
| { |
| public string $name; |
| public int $ttl; |
|
|
| public function __construct(string $name, int $ttl = 50) |
| { |
| $this->name = $name; |
| $this->ttl = $ttl; |
| } |
| } |
|
|
| $ref = new \ReflectionFunction(#[A1('test')] function () { }); |
|
|
| foreach ($ref->getAttributes() as $attr) { |
| $obj = $attr->newInstance(); |
|
|
| var_dump(get_class($obj), $obj->name, $obj->ttl); |
| } |
|
|
| echo "\n"; |
|
|
| $ref = new \ReflectionFunction(#[A1] function () { }); |
|
|
| try { |
| $ref->getAttributes()[0]->newInstance(); |
| } catch (\ArgumentCountError $e) { |
| var_dump('ERROR 1', $e->getMessage()); |
| } |
|
|
| echo "\n"; |
|
|
| $ref = new \ReflectionFunction(#[A1([])] function () { }); |
|
|
| try { |
| $ref->getAttributes()[0]->newInstance(); |
| } catch (\TypeError $e) { |
| var_dump('ERROR 2', $e->getMessage()); |
| } |
|
|
| echo "\n"; |
|
|
| $ref = new \ReflectionFunction(#[A2] function () { }); |
|
|
| try { |
| $ref->getAttributes()[0]->newInstance(); |
| } catch (\Error $e) { |
| var_dump('ERROR 3', $e->getMessage()); |
| } |
|
|
| echo "\n"; |
|
|
| #[Attribute] |
| class A3 |
| { |
| private function __construct() { } |
| } |
|
|
| $ref = new \ReflectionFunction(#[A3] function () { }); |
|
|
| try { |
| $ref->getAttributes()[0]->newInstance(); |
| } catch (\Error $e) { |
| var_dump('ERROR 4', $e->getMessage()); |
| } |
|
|
| echo "\n"; |
|
|
| class A5 { } |
|
|
| $ref = new \ReflectionFunction(#[A5] function () { }); |
|
|
| try { |
| $ref->getAttributes()[0]->newInstance(); |
| } catch (\Error $e) { |
| var_dump('ERROR 6', $e->getMessage()); |
| } |
|
|
| ?> |
| --EXPECTF-- |
| string(2) "A1" |
| string(4) "test" |
| int(50) |
|
|
| string(7) "ERROR 1" |
| string(%d) "Too few arguments to function A1::__construct(), 0 passed in %s005_objects.php on line 26 and at least 1 expected" |
|
|
| string(7) "ERROR 2" |
| string(%d) "A1::__construct(): Argument #1 ($name) must be of type string, array given, called in %s005_objects.php on line 36" |
|
|
| string(7) "ERROR 3" |
| string(30) "Attribute class "A2" not found" |
|
|
| string(7) "ERROR 4" |
| string(51) "Call to private A3::__construct() from global scope" |
|
|
| string(7) "ERROR 6" |
| string(55) "Attempting to use non-attribute class "A5" as attribute" |
|
|
