<?php $users_emails = array('a' => 'Spence', 'b' => 'Matt', 'c' => 'Marc', 'd' => 'Adam', 'e' => 'Paul'); $keys = array_values(array_keys($users_emails)); $current = 'Matt'; $ordinal = array_search($current,$users_emails); $nextkey = (array_search($ordinal, $keys)+1); $next = $users_emails[$keys[$nextkey]]; echo $next;
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