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- --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";
- #[Attribute]
- class A4 { }
- $ref = new \ReflectionFunction(#[A4(1)] function () { });
- try {
- $ref->getAttributes()[0]->newInstance();
- } catch (\Error $e) {
- var_dump('ERROR 5', $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(48) "Attribute constructor of class A3 must be public"
- string(7) "ERROR 5"
- string(69) "Attribute class A4 does not have a constructor, cannot pass arguments"
- string(7) "ERROR 6"
- string(55) "Attempting to use non-attribute class "A5" as attribute"
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