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PHP Generator for MySQL online Help

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OnCalculateFields

This event occurs whenever the values of calculated columns are (re)computed in read-only views (List, Print, Export, etc). Live examples.

 

Signature:

function OnCalculateFields($rowData, &fieldName, &$value)

 

Parameters:

$rowData

An associative array of values of the currently processed row

$fieldName

The name of the currently processed calculated column

$value

The value to be assigned to the column

 

Example 1:

This code snippet sets the value of the full_name column according to the values stored in the first_name and last_name columns.

 

if ($fieldName == 'full_name') {

    $value = $rowData['first_name'] . ' ' . $rowData['last_name'];

 

Example 2:

This code snippet sets the value of the age column according to the birthday.

 

if ($fieldName == 'age') {

    $dateOfBirth = new DateTime($rowData['birthday']);

    $dateInterval = $dateOfBirth->diff(new DateTime());

    $value = $dateInterval->format('%y');

}

 

See also:

OnCalculateControlValues.



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