# SDO_DAS_Setting::isSet

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SDO_DAS_Setting::isSet — Test whether a property was set prior to being modified

### Description

SDO_DAS_Setting::isSet ( ) : bool
Warning

This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.

Test whether a property was set prior to being modified. If it was set prior to being modified then the SDO_DAS_Setting will also contain the old value.

### Parameters

None.

### Return Values

Returns `TRUE` if the property was set prior to being modified, otherwise returns `FALSE`.