Kicking off some posts about various performance challenges we've fixed.

N Factorial

During a code review for a site we were taking over, I found this little gem:

<?php

function charity_view_views_pre_render($view) {  // this code takes the rows returned from a view query after the query has been run, and formats it for display...  // snip to the code of interest:  usort($view->result, 'charity_view_sort_popular');}

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