Revolution Slider在Windows服务器出错Fatal error: Uncaught Error

Fatal error: Uncaught Error: [] operator not supported for strings in C:inetpubphpwordpress-4.2.2-zh_CNwordpresswp-contentpluginsrevsliderincludesframeworkbase-admin.class.php:71 Stack trace: #0 C:inetpubphpwordpress-4.2.2-zh_CNwordpresswp-contentpluginsrevslideradminrevslider-admin.class.php(572): RevSliderBaseAdmin::addMetaBox('Revolution Slid...', '', Array, NULL) #1 C:inetpubphpwordpress-4.2.2-zh_CNwordpresswp-contentpluginsrevslideradminrevslider-admin.class.php(73): RevSliderAdmin->addSliderMetaBox() #2 C:inetpubphpwordpress-4.2.2-zh_CNwordpresswp-contentpluginsrevslideradminrevslider-admin.class.php(44): RevSliderAdmin->init() #3 C:inetpubphpwordpress-4.2.2-zh_CNwordpresswp-contentpluginsrevsliderrevslider.php(165): RevSliderAdmin->__construct('C:\inetpubphp\w...') #4 C:inetpubphpwordpress-4.2.2-zh_CNwordpresswp-adminincludesplugin.php(1934): include('C:\inetpubphp\w...') #5 C:inetpubphpwordpress-4.2.2-zh_CNwordpresswp-adminplugins.php(164): plugin_sandbox_scra in C:inetpubphpwordpress-4.2.2-zh_CNwordpresswp-contentpluginsrevsliderincludesframeworkbase-admin.class.php on line 71
如上错误可以打开revslider/includes/framework/base-admin.class.php文件，将：
private static $arrMetaBoxes = ”; //option boxes that will be added to post
改为：
private static $arrMetaBoxes = array(); //option boxes that will be added to post