<?php
$seed_row = 17;
$seed_col = 26;
for ($i = 0; $i < $seed_row; $i++) {
echo "<div class=\"item seed_row_$i\">";
for ($j = 0; $j < $seed_col; $j++) {
echo "<div class=\"item seed_col_$j\">COL</div>";
}
echo "</div>";
}
?>