<?php $lot_num = strtoupper('e1,1,2,3,4,5,7,8,9,10,11,12,13,14,15,16,17,18,e18'); $ecount = substr_count($lot_num, 'E'); $totcount = count(explode(",", $lot_num)); echo 'END UNIT: '.$ecount; Echo "\ntotal count: ". $totcount; Echo "\nother count: ". Intval($totcount-$ecount);
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