Question

I want to invoke a function on an object. The name of the function is stored in a static property of a class (of which the object is an instance). This invocation happens inside one of the object’s methods.

None of the approaches below work (it’s after the getBean()-> that I’m confused).

$this->getBean()->User::$BEANSCHEMA_FIRST_NAME;

$this->getBean()->self::$BEANSCHEMA_FIRST_NAME;

$this->getBean()->$self::$BEANSCHEMA_FIRST_NAME;

How can I accomplish this, preferrably without a weird library function like call_user_func()?

Answer 1

Use {}, hope this helps (Demo):

class Funcaro
{
    public static $MUNKI_SELF = 'munki';
    public function munki()
    {
        echo 'You got me :)', "\n";
    }
}

class Callara extends Funcaro
{

    public function get()
    {
        return new Funcaro();
    }
    public function call()
    {
        $this->get()->{self::$MUNKI_SELF}();
    }
}

$c = new Callara();

$c->get()->munki();

$munki = 'munki';

$c->get()->$munki();

$c->get()->{Funcaro::$MUNKI_SELF}();

$c->call();

Related: PHP curly brace syntax for member variable