static bool IsDate(FuncContext fctx, int argc, Mem[] argv, out DateTime p)
{
int i;
string z;
p = new DateTime();
if (argc == 0)
SetDateTimeToCurrent(fctx, p);
TYPE type;
if ((type = Vdbe.Value_Type(argv[0])) == TYPE.FLOAT || type == TYPE.INTEGER)
{
p.JD = (long)(Vdbe.Value_Double(argv[0]) * 86400000.0 + 0.5);
p.ValidJD = true;
}
else
{
z = Vdbe.Value_Text(argv[0]);
if (z == null || ParseDateOrTime(fctx, z, ref p)) return true;
}
for (i = 1; i < argc; i++)
{
z = Vdbe.Value_Text(argv[i]);
if (z == null || ParseModifier(fctx, z, p) != RC.OK) return true;
}
return false;
}
