不明渠道的 sql 一枚，里面有个::filter

[undercloud]

SELECT u.fID,u.neirong,u.zhuti,u.leixing,u.Empty String,u.fMoney,u.fDate FROM yfx_fabu as u WHERE ::filter or (0=:useSearch) or (u.neirong LIKE :filter OR u.zhuti LIKE :filter OR u.leixing LIKE :filter)

::filter :useSearch :filter 作用是什么？

[RIcter]

PDO 的参数绑定吧
http://php.net/manual/en/pdo.prepare.php

[qhxin]

一楼