SDO_DAS_Setting::isSet

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

说明

bool SDO_DAS_Setting::isSet ( void )

Warning

本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。

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.

参数

None.

返回值

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