<?php
class valida {
protected $cpf;
public function cpf($cpf) {
$this->cpf = $cpf;
return $cpf;
}
}
}
class manda extends valida {
function foo($cpf) {
$cpf = cpf($cpf);
}
}
$cpf1 = $_GET['cpf'];
$sis = new manda;
echo $sis->cpf($cpf1);
PD9waHAKY2xhc3MgdmFsaWRhIHsKCXByb3RlY3RlZCAkY3BmOwoKCXB1YmxpYyBmdW5jdGlvbiBjcGYoJGNwZikgewoJCWlmKGlzX251bWVyaWMoJGNwZikgYW5kICRjcGYgPiAxMSkgewoJCQkkdGhpcy0+Y3BmID0gJGNwZjsKCQkJcmV0dXJuICRjcGY7CgkJfQoJfQoKfQpjbGFzcyBtYW5kYSBleHRlbmRzIHZhbGlkYSB7CglmdW5jdGlvbiBmb28oJGNwZikgewoJCSRjcGYgPSBjcGYoJGNwZik7Cgl9Cn0KCiRjcGYxID0gJF9HRVRbJ2NwZiddOwoKJHNpcyA9IG5ldyBtYW5kYTsKZWNobyAkc2lzLT5jcGYoJGNwZjEpOw==