cDateStrategy::IsValid()

Method IsValid( )

 public  abstract   boolean libdatephp\cDateStrategy::IsValid()

• Namespace : libdatephp
• Class name: cDateStrategy
• This is an abstract method
• This method is defined by libdatephp\cDateStrategy

The ABSTRACT method IsValid( ) returns true, if the properties are okay and the algorithm is ready to start.

Subclasses have to code this method before the class can be used

Returns

boolean true, if we can start to calculate dates and events

See also

• cDateStrategy::DIRECTION_BACKWARD
• cDateStrategy::DIRECTION_FORWARD
• cDateStrategy::GetFirstDate()
• cDateStrategy::GetNextEventSlot()