I'm creating an associative array that creates keys and values for those
keys on the fly. Later I need to check and see if the array contains a
key before I call it to avoid the dreaded "Undefined Index" error. Is
it possible to see if a key exists in an associative array before I call
it? Kind of like the "isset" to check if a variable exists before you
call it, and it doesn't error out on you.
Thanks,
Ron
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