$strNameOfStrategyClass::staticMethod();

但它给出了T_PAAMAYIM_NEKUDOTAYIM.

$> cat test.PHP

<?

interface strategyInterface {
        public function execute();
        public function getLog();
        public static function getFormatString();
}


class strategyA implements strategyInterface {
        public function execute() {}
        public function getLog() {}
        public static function getFormatString() {}
}

class strategyB implements strategyInterface {
        public function execute() {}
        public function getLog() {}
        public static function getFormatString() {}
}

class implementation {
        public function __construct( strategyInterface $strategy ) {
                $strFormat = $strategy::getFormatString();
        }
}

$objImplementation = & new implementation("strategyB") ;

$> PHP test.PHP

Parse error: Syntax error,unexpected T_PAAMAYIM_NEKUDOTAYIM in /var/www/test.PHP on line 24

$> PHP -v

PHP 5.2.6-1+lenny9 with Suhosin-Patch 0.9.6.2 (cli) (built: Aug  4 2010 03:25:57)

这会在5.3中有效吗？