At 09:50 PM 4/29/01 -0400, David Croft wrote:
>There doesn't seem to be any way for a php script to determine whether a
>given key exists in an array. isset($arr['x']) fails when it exists but
>has a null value. I know there are ways around it like using foreach or
>array_keys but these don't seem very efficient.
>I would like to add a function key_exists, with the following proto:
>bool key_exists(array search, string key)
>Please let me know if this is inappropriate or I have missed something
>obvious, otherwise I shall add this tomorrow. Thanks,
Key may be a number as well.
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