First Class Callable Syntax
privateMethod(...);|
}
private function privateMethod() {
echo ___METHOD___, "\n";
}
}
$test = new Test;
$privateMethod = $test->getPrivateMethod();
$privateMethod();
?>]]>
privateMethod(...);|
}
private function privateMethod() {
echo ___METHOD___, "\n";
}
}
$test = new Test;
$privateMethod = $test->getPrivateMethod();
$privateMethod();
?>]]>
privateMethod(...);* // new in PHP 8.1
}
private function privateMethod() {
echo ___METHOD___, "\n";
}
}
$test = new Test;
$privateMethod = $test->getPrivateMethod();
$privateMethod();
?>]]>
Syntactic Sugar
$fn = Closure::fromCallable('strlen');
$fn = strlen(...);
$fn = Closure::fromCallable([$this, 'method']);
$fn = $this->method(...)
$fn = Closure::fromCallable([Foo::class, 'method']);
$fn = Foo::method(...);
Other variants
strlen(...);
$closure(...);
$obj->method(...);
$obj->$methodStr(...);
($obj->property)(...);
Foo::method(...);
$classStr::$methodStr(...);
self::{$complex . $expression}(...);
[$obj, 'method'](...);
[Foo::class, 'method'](...);