Simple array question, array delete

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Hey,
I have a $data_recs array like this:

12
445
45655
4
3466663
etc

when the user gives me a number, i have to check if its in the array and
delete that entry...how do i do that?
I have looked at the manual but have gotten confused with array
pop,splice,array_key_exists etc

Thanks,
Ryan



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