scalar bool array string 0xfcffffef
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If variables don't exist, their value as string is generally a "scalar bool array string 0xfcffffef" error.
Compatibility:
Version Operation Flashpoint 1.96
Note
Armed Assault: For ArmA: Armed Assault version, see scalar bool array string 0xe0ffffef.
Examples:
hint format ["%1", undefined_variable]
hint (if (format ["%1", undefined_variable] == "scalar bool array string 0xfcffffef") then { "Variable undefined" } else { "Variable already defined" })