php if array key exists inside multidimentional array

Posted by Richard on Stack Overflow See other posts from Stack Overflow or by Richard
Published on 2010-05-10T11:05:42Z Indexed on 2010/05/10 11:14 UTC
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php

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array

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multidimensional-array

how can i check if logo exists in this array called $attachements print_r is below:

Array ( [logo] => /home/richar2/public_html/ioagh/images/stories/jreviews/20100510115659_1_img.gif )

when theres no logo, the array print_r's

Array ( )

i tried: if (isset($attachments['logo']) ) {..} but the conditional code runs when there is no logo

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