(PHP 8)
ReflectionAttribute::newInstance — Instantiates the attribute class represented by this ReflectionAttribute class and arguments
Instantiates the attribute class represented by this ReflectionAttribute class and arguments.
This function has no parameters.
New instance of the attribute.
Calling ReflectionAttribute::newInstance() using an attribute name that does not have a corresponding class will result in an error.
Example :
<?php
#[FakeAttribute]
class Test {}
try {
(new ReflectionClass(Test::class))->getAttributes()[0]->newInstance();
}
catch (Error $error) {
echo 'Throwed error ' . get_class($error) . ' with message : ' . $error->getMessage();
}
?>
This will output :
Throwed error Error with message : Attribute class "FakeAttribute" not foundCalling ReflectionAttribute::newInstance() using an attribute name that has a matching class without #[Attribute] will result in an error.
Example :
<?php
class FakeAttribute {}
#[FakeAttribute]
class Test {}
try {
(new ReflectionClass(Test::class))->getAttributes()[0]->newInstance();
}
catch (Error $error) {
echo 'Throwed error ' . get_class($error) . ' with message : ' . $error->getMessage();
}
?>
This will output :
Throwed error Error with message : Attempting to use non-attribute class "FakeAttribute" as attribute