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--TEST--
ZE2 singleton
--FILE--
<?php
class Counter {
private $counter = 0;
function increment_and_print() {
echo ++$this->counter;
echo "\n";
}
}
class SingletonCounter {
private static $m_instance = NULL;
static function Instance() {
if (self::$m_instance == NULL) {
self::$m_instance = new Counter();
}
return self::$m_instance;
}
}
SingletonCounter::Instance()->increment_and_print();
SingletonCounter::Instance()->increment_and_print();
SingletonCounter::Instance()->increment_and_print();
?>
--EXPECT--
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