遇到PHP错误
严重程度:注意
消息:仅变量引用应通过引用返回
文件名:core / Common.php
行号:257
致命错误:未捕获的错误:在D:\ phpstudy_pro \ WWW \ system \ database \ drivers \ mysql \ mysql_driver.php:91堆栈跟踪中调用未定义的函数mysql_pconnect():#0 D:\ phpstudy_pro \ WWW \ system \ database \ DB_driver。 php(115):CI_DB_mysql_driver-> db_pconnect()#1 D:\ phpstudy_pro \ WWW \ system \ database \ DB.php(148):CI_DB_driver-> initialize()#2 D:\ phpstudy_pro \ WWW \ system \ core \ Loader.php(346):DB(Array,NULL)#3 D:\ phpstudy_pro \ WWW \ system \ core \ Loader.php(1171):CI_Loader-> database()#4 D:\ phpstudy_pro \ WWW \ system \ core \ Loader.php(152):CI_Loader-> _ ci_autoloader()#5 D:\ phpstudy_pro \ WWW \ system \ core \ Controller.php(51):CI_Loader-> initialize()#6 D:\ phpstudy_pro \ WWW \ application \ core \ MY_Controller.php(8):CI_Controller-> __ construct()#7 D:\ phpstudy_pro \ WWW \ application \ controllers \ index.php(7):MY_Controller-> __ construct()#8 D:\ phpstudy_pro \ WWW \ system \ core \ CodeIgniter.php(308):索引-> __ construct()#9 D:\ phpstudy_pro \ WWW \ index.php(206):require_once('D:\\ phpstudy_pro ...' )#10 {main}投入第91行的D:\ phpstudy_pro \ WWW \ system \ database \ drivers \ mysql \ mysql_driver.php