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|
--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
|
