Use PHP code to determine if the Web server supports Zend Guard Loader encryption parsing

php5.3 version no longer supports Zendoptimizer, changed to a more advanced Zend Guard loader to determine if the operating environment supports Zend Guard Loader encryption parsing

$PHP _ver=php_version;$ZEND _ver=zend_version();if($PHP _ver< 5.3 | |Empty($ZEND _ver)){    Echo' The operating environment requires PHP5.3 or 5.4 and supports the Zend Guard loader plugin. ‘;Exit;}Else{     if( !Get_cfg_var(' zend_loader.enable ')) {Echo' Please modify the PHP configuration file [Zend.loader] section, zend_loader.enable=1 ';Exit;} }