如何在preg_match_all的正则表达式中更正子模式的结果？

I have this code:

我有这个代码:

$query = 'CREATE table "msg" ( "myid" INT(10) UNSIGNED , "user" INT(10) UNSIGNED , "new_mes" SMALLINT(5) UNSIGNED , "total_mes" MEDIUMINT(8) UNSIGNED , "lastdate" DATETIME , PRIMARY KEY ("ids"), KEY ("lastdate") )'; 
$query = 'CREATE