Hard
What will this code display?
<?php
class Foo
{
    private ?string $bar;
    public function setBar(?string $secondLine): void
    {
        $this->bar = $secondLine;
    }
    public function getBar(): ?string
    {
        return $this->bar;
    }
}
$foo = new Foo();
echo $foo->getBar() ?? 'john doe';
Author: W3D TeamStatus: PublishedQuestion passed 1384 times
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