What is the significance of the first parameter to var_Create?

Peter Tap ptrtap at yahoo.com
Tue Jan 3 01:39:01 CET 2017


I need to share a value across various custom modules. Looks like var_Create/var_Set/var_Get is the way to go. However, I am not sure about the first parameter to these methods. Is this parameter local to each module? To achieve truly global variable, can I simply pass NULL as the first parameter?

Thank you in advance for your help.


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