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 FileMaker Pro Custom Functions

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GetQueryStringValue ( keyName ; sourceUrl )

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  Average rating: 4.4  (25 votes)
  Discuss this Custom Function

Cristos Lianides-Chin, inRESONANCE
http://www.cristoslc.com

Given a full URL and name of a key, returns the given key's value out of the entire URL.

Sample Input:
GetQueryStringValue ( "reqid" ; "https://example.com/support.php?pg=request&reqid=38842" )
Sample Output:
38842


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Description:

UPDATED 2014-09-03 with better version from commenter "unix" from Japan.

When given a full URL (including a querystring), and the name of a specific key in that querystring, this function will return the value associated with that key. Especially useful in conjunction with the GetLayoutObjectAttribute( "webviewerName" ; "Source" ) function, which can get the URL of a page to which the user has navigated.

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

Discuss:

Let ([
~key = keyName ;
~url = sourceUrl ;

~params = Replace ( ~url ; 1 ; Position ( ~url & "?" ; "?" ; 1 ; 1 ) ; "" ) ; //get after "?"
~params = Left ( ~params ; Position ( ~params & "#" ; "#" ; 1 ; 1 ) - 1 ) ; //get before "#"
~params = ¶ & Substitute ( ~params ; "&" ; ¶ ) ; //separate key=value with ¶
~pos = Position ( ~params ; ¶ & ~key & "=" ; 1 ; 1 )
] ;
Case ( ~pos ; GetValue ( Substitute ( Replace ( ~params ; 1 ; ~pos ; "" ) ; "=" ; ¶ ) ; 2 ) )
)

unix, Japan
September 02, 2014 10:52pm

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