<?php
define('SERIALIZED', './presentations/slides/php5intro/serialized');
interface ISerializable {
function sleep();
function wakeup();
};
class Person implements ISerializable {
public $name;
function sleep() {
$f = fopen(SERIALIZED,'w');
fwrite($f,serialize($this->name));
fclose($f);
}
function wakeup() {
$this->name = @unserialize(
file_get_contents(SERIALIZED)
);
}
}
$p = new Person;
if ($p instanceof ISerializable) {
$p->wakeup();
}
echo "Previous Spy: {$p->name}\n<br />\n";
$superspies = array('James Bond',
'Sterling Hughes',
'Austin Powers');
$p->name = $superspies[array_rand($superspies)];
echo "New Spy: {$p->name}\n<br />\n";
if ($p instanceof ISerializable) {
$p->sleep();
}
?>
