- print_r: documentation ( source)
- explode: documentation ( source)
- stripos: documentation ( source)
- range: documentation ( source)
<?php
function gradeInList($level_id) {
$grade_range = '1-12';
$grade_range_arr = explode('-', $grade_range);
if ($grade_range_arr['0'] == 'K') { $grade_range_arr['0'] = 0; }
if (stripos($grade_range,'N/A') !== false) { return array('N/A'); }
$list = array();
foreach (range($grade_range_arr['0'], $grade_range_arr['1']) as $grade) {
if ($grade == 0) { $list[] = 'K'; continue; }
if ($grade == 1) { $list[] = '1st'; continue; }
if ($grade == 2) { $list[] = '2nd'; continue; }
if ($grade == 3) { $list[] = '3rd'; continue; }
$list[] = $grade . 'th';
}
return $list;
}
print_r(gradeInList(null));