--TEST--
array_column() respects property visibility
--FILE--
<?php
class Test
{
    private $prop;
    public function __construct($value)
    {
        $this->prop = $value;
    }
    public function __isset($name): bool
    {
        return true;
    }
    public function __get($name)
    {
        return "__get({$this->prop})";
    }
}
function main()
{
    $arr = [new Test("foobar")];
    var_dump(array_column($arr, "prop"));
}
?>
--EXPECT--
array(1) {
  [0]=>
  string(13) "__get(foobar)"
}