php singleton singleton mode entry example

class CC
{
//Single case mode
private static $ins;
public static function singleton()
 {
 if (!isset(self::$ins)){
 $c = __CLASS__;
 self::$ins = new $c;
 }
 return self::$ins;
 }
public function EventResult($Id)
{
return $Id;
}
}
?> ;

2. index.php file:

Test php singleton mode



require 'common.php';
$objCC=CC::singleton();
$ r=$objCC->EventResult(7);
print_r($objCC);
echo $r."";
?>

< /p>