Delete all lines that doesn't contain a specific word in php

Posted by justit on Stack Overflow See other posts from Stack Overflow or by justit
Published on 2010-03-25T00:43:38Z Indexed on 2010/03/25 0:53 UTC
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php

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beginner

i need some code which can delete/filter arrays which doesn't contain a specific word

or we can say keep only that contain a specific word and drop all other ones

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