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OnCustomCompareValues

This event allows you to define your own function for value comparison. Live example and video tutorial.

 

Signature:

function OnCustomCompareValues($columnName, $valueA, $valueB, &$result)

 

Parameters:

$columnName

The name of currently processed column.

$valueA

The first value to compare.

$valueB

The second value to compare.

$result

The result of the comparison. Should be set to 0 if values are equal and to a non-zero value otherwise.

 

Example

This example shows how to define an algorithm that considers two values to be equal if their difference is less than or equal to 0.5.

 

if (in_array($columnName, array('height', 'length', 'width'))) {

    $result = abs($valueA - $valueB) <= 0.5;

}

 

The example can be seen in action in our Feature Demo.



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