php-src/tests/classes/singleton_001.phpt
2003-08-17 12:13:26 +00:00

38 lines
652 B
PHP

--TEST--
ZE2 singleton
--SKIPIF--
<?php if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); ?>
--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--
1
2
3