<?php
class A {
public $tmp;
public function __construct() {
$this->tmp = function() {
echo 1;
};
}
}
$a = new A();
($a->tmp)();
PD9waHAKCmNsYXNzIEEgewogICAgcHVibGljICR0bXA7CgogICAgcHVibGljIGZ1bmN0aW9uIF9fY29uc3RydWN0KCkgewogICAgICAgICR0aGlzLT50bXAgPSBmdW5jdGlvbigpIHsKICAgICAgICAgICAgZWNobyAxOwogICAgICAgIH07CiAgICB9Cn0KCgokYSA9IG5ldyBBKCk7CigkYS0+dG1wKSgpOwo=