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静态变量在php中不起作用_Php_Class_Magento2 - Fatal编程技术网
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静态变量在php中不起作用

php class magento2

静态变量在php中不起作用,php,class,magento2,Php,Class,Magento2,我的zcount不是在每个实例上都递增，它的值仍然是“1” class Traineelist extends \Magento\Framework\App\Action\Action { protected $categoryFactory; static protected $zcount=0; . . . public static function staticBar () { return ++self::$zcount; } }

我的zcount不是在每个实例上都递增，它的值仍然是“1”

class Traineelist extends \Magento\Framework\App\Action\Action
{ protected $categoryFactory;
   static protected $zcount=0;
.
.
. public static function staticBar () {
    return ++self::$zcount;
}
}