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Test whether a property was set prior to being modified
bool SDO_DAS_Setting::isSet ( void )
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.
Returns:
Returns TRUE if the property was set prior to being modified, otherwise returns FALSE.
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.
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