从1.1.9升级到2.0.78都是这样的错误 Only variables should be passed by reference

kisscucci

昨天从稳定版的1.1.9升级到最新的2.0.78版本,我用的程序是PHPCMS V9,程序的错误日记一个早上就20多M了,全是以下错误,使用1.1.9版本时候是没有这个错误的.
<?php exit;?>05-11 19:12:15 | 2048 | Only variables should be passed by reference | **/content_output.class.php | 79
<?php exit;?>05-11 19:12:15 | 2048 | Only variables should be passed by reference | **/content_output.class.php | 79
<?php exit;?>05-11 19:12:16 | 2048 | Only variables should be passed by reference | **/content_output.class.php | 79
<?php exit;?>05-11 19:12:16 | 2048 | Only variables should be passed by reference | **/content_output.class.php | 79
<?php exit;?>05-11 19:12:16 | 2048 | Only variables should be passed by reference | **/content_output.class.php | 79
........................
<?php exit;?>05-11 19:12:16 | 2048 | Only variables should be passed by reference |  **/content_output.class.php | 79
<?php exit;?>05-11 19:12:16 | 2048 | Only variables should be passed by reference |  **/content_output.class.php | 79

79行的代码为

extract(string2array($this->fields[$field]['setting']));