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 FileMaker Pro Custom Functions

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GetValueFromInputField ( fieldname ; sourcecode )

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  Average rating: 4.5  (32 votes)
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Brian Dunning,

Gets the value of an input field from HTML source.

Sample Input:
GetValueFromInputField ( "fname" ; "input type=\"hidden\" name=\"fname\" value=\"brian\"" )
Sample Output:

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

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed


Grab the value of an input field from HTML source. Especially useful when trying to parse out the contents of hidden fields.

The HTML does have to be well-formed. The name parameter must precede the value parameter. Both must be properly quoted.

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

This is my Custom Function and I want to edit it


Recommend the following adjustment, to search for the "id" attribute instead of just the fieldname. Without this adjustment, other mentions of the fieldname in the code (e.g., in javascript headers) can cause unexpected results.

fieldpos = Position ( sourcecode ; "id=\"" & fieldname & "\"" ; 1 ; 1 ) ;

Cristos, Northampton, MA
November 13, 2014 10:10am

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