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Server IP : 79.136.114.73 / Your IP : 3.22.249.82 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /proc/self/root/home/b8009/php-5.6.22/Zend/tests/ |
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--TEST-- ZE2 Late Static Binding and Singleton --FILE-- <?php abstract class Singleton { static private $instances = array(); static private $nextInstanceId = 0; private $instanceId = NULL; static final public function getInstance() { $caller = get_called_class(); if (!isset(self::$instances[$caller])) { self::$instances[$caller] = new $caller; self::$instances[$caller]->instanceId = self::$nextInstanceId++; } return self::$instances[$caller]; } public final function getInstanceId() { return $this->instanceId; } public final function identify() { var_dump($this); } } class Foo extends Singleton { } class Bar extends Singleton { } class Baz extends Bar { } $u = Foo::getInstance(); $v = Bar::getInstance(); $w = Baz::getInstance(); $u->identify(); $v->identify(); $w->identify(); $x = Foo::getInstance(); $y = Bar::getInstance(); $z = Baz::getInstance(); $u->identify(); $v->identify(); $w->identify(); $x->identify(); $y->identify(); $z->identify(); ?> ===DONE=== --EXPECTF-- object(Foo)#%d (1) { ["instanceId":"Singleton":private]=> int(0) } object(Bar)#%d (1) { ["instanceId":"Singleton":private]=> int(1) } object(Baz)#%d (1) { ["instanceId":"Singleton":private]=> int(2) } object(Foo)#%d (1) { ["instanceId":"Singleton":private]=> int(0) } object(Bar)#%d (1) { ["instanceId":"Singleton":private]=> int(1) } object(Baz)#%d (1) { ["instanceId":"Singleton":private]=> int(2) } object(Foo)#%d (1) { ["instanceId":"Singleton":private]=> int(0) } object(Bar)#%d (1) { ["instanceId":"Singleton":private]=> int(1) } object(Baz)#%d (1) { ["instanceId":"Singleton":private]=> int(2) } ===DONE===