`filters()`

Description

Tells Wheels to run a function before an action is run or after an action has been run. You can also specify multiple functions and actions.

Function Syntax

filters(through [, type, only, except ])

Parameters

Parameter	Type	Required	Default	Description
`through`	`string`	Yes		Function(s) to execute before or after the action(s).
`type`	`string`	No	`before`	Whether to run the function(s) before or after the action(s).
`only`	`string`	No		Pass in a list of action names (or one action name) to tell Wheels that the filter function(s) should only be run on these actions.
`except`	`string`	No		Pass in a list of action names (or one action name) to tell Wheels that the filter function(s) should be run on all actions except the specified ones.

Examples

<!--- Always execute `restrictAccess` before all actions in this controller --->
<cfset filters("restrictAccess")>

<!--- Always execute `isLoggedIn` and `checkIPAddress` (in that order) before all actions in this controller except the `home` and `login` actions --->
<cfset filters(through="isLoggedIn,checkIPAddress", except="home,login")>