mirror of
https://github.com/php/php-src.git
synced 2024-09-21 18:07:23 +00:00
81 lines
2.3 KiB
PHP
81 lines
2.3 KiB
PHP
--TEST--
|
|
Bug #32322 (Return values by reference broken( using self::),example singleton instance)
|
|
--INI--
|
|
error_reporting=4095
|
|
--FILE--
|
|
<?php
|
|
class test
|
|
{
|
|
private static $instance = null;
|
|
private $myname = '';
|
|
|
|
private function __construct( $value = '' )
|
|
{
|
|
echo "New class $value created \n";
|
|
$this -> myname = $value;
|
|
}
|
|
private function __clone() {}
|
|
static public function getInstance()
|
|
{
|
|
if ( self::$instance == null )
|
|
{
|
|
self::$instance = new test('Singleton1');
|
|
}
|
|
else {
|
|
echo "Using old class " . self::$instance -> myname . "\n";
|
|
}
|
|
return self::$instance;
|
|
}
|
|
static public function getInstance2()
|
|
{
|
|
static $instance2 = null;
|
|
if ( $instance2 == null )
|
|
{
|
|
$instance2 = new test('Singleton2');
|
|
}
|
|
else {
|
|
echo "Using old class " . $instance2 -> myname . "\n";
|
|
}
|
|
return $instance2;
|
|
}
|
|
public function __destruct()
|
|
{
|
|
if ( defined('SCRIPT_END') )
|
|
{
|
|
echo "Class " . $this -> myname . " destroyed at script end\n";
|
|
} else {
|
|
echo "Class " . $this -> myname . " destroyed beforce script end\n";
|
|
}
|
|
}
|
|
}
|
|
echo "Try static instance inside class :\n";
|
|
$getCopyofSingleton = test::getInstance();
|
|
$getCopyofSingleton = null;
|
|
$getCopyofSingleton = &test::getInstance();
|
|
$getCopyofSingleton = null;
|
|
$getCopyofSingleton = test::getInstance();
|
|
echo "Try static instance inside function :\n";
|
|
$getCopyofSingleton2 = test::getInstance2();
|
|
$getCopyofSingleton2 = null;
|
|
$getCopyofSingleton2 = &test::getInstance2();
|
|
$getCopyofSingleton2 = null;
|
|
$getCopyofSingleton2 = test::getInstance2();
|
|
|
|
define('SCRIPT_END',1);
|
|
?>
|
|
--EXPECTF--
|
|
Try static instance inside class :
|
|
New class Singleton1 created
|
|
Using old class Singleton1
|
|
|
|
Notice: Only variables should be assigned by reference in %sbug32322.php on line 49
|
|
Using old class Singleton1
|
|
Try static instance inside function :
|
|
New class Singleton2 created
|
|
Using old class Singleton2
|
|
|
|
Notice: Only variables should be assigned by reference in %sbug32322.php on line 55
|
|
Using old class Singleton2
|
|
Class Singleton1 destroyed at script end
|
|
Class Singleton2 destroyed at script end
|