Online PHP editor | refs for LUT3E

@ 2015-05-27T09:05:39Z

<?php
$sel_day_list = array();
        for ($i=1; $i<=28; $i++) {
            $sel_day_list['A'.$i] = $i;
        }

$test = '41';

if (in_array($test, $sel_day_list)) {
    echo 'IN';
} else {
    echo 'NO';
}