how do i delete keys from an array if it has no values?
eg, this:
[name] => Array
(
[0] => grape
[1] => apple
[2] =>
[3] => orange
[4] =>
[5] => cherry
)
to:
[name] => Array
(
[0] => grape
[1] => apple
[2] => orange
[3] => cherry
)
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