On 12/09/2019 22:56, Andreas Hennings wrote:
$var[$k0][? $k1][? $k2]++;
This is great but the second "?" is redundant isn't it?
If the rule is "you cannot read a non-existent array element without ?"
then no: $var[$k0][? $k1] allows you to read that element, and from
context treat it as an array; but that array won't have a key $k2, so
you also need to say that reading *that* was deliberate, and from
context treat it as an integer.
Regards,
--
Rowan Tommins (né Collins)
[IMSoP]
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