class Singleton {
static private $instance = NULL;
private function __construct() {
}
static public function getInstance() {
if (self::instance == NULL) {
self::instance = new Singleton();
}
return self::instance;
}
}
如上,按书中键入的,报错为:Parse error: syntax error, unexpected '=' in……,就是下面这行:
self::instance = new Singleton();
新手求释疑解惑,谢谢。php权威编程单件模式语法错误
static private $instance = NULL;
private function __construct() {
}
static public function getInstance() {
if (self::instance == NULL) {
self::instance = new Singleton();
}
return self::instance;
}
}
如上,按书中键入的,报错为:Parse error: syntax error, unexpected '=' in……,就是下面这行:
self::instance = new Singleton();
新手求释疑解惑,谢谢。php权威编程单件模式语法错误
static private $instance = NULL;
private function __construct() {
}
static public function getInstance() {
if (self::$instance == NULL) {
self::$instance = new Singleton();
}
return self::$instance;
}
}