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<?php function odd($limit){ $row=1; $current_number=1; while($current_number<=$limit){ for($i=1;$i<=$row;$i++){ echo $current_number." "; $current_number=$current_number+2;//incrementing numbers by 2 if you want to increment by 1 i.e print all numbers replace 2 by 1 } $row++; echo "<br/>";//for new line } } odd(20); ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1 <br/>3 5 <br/>7 9 11 <br/>13 15 17 19 <br/>

preferences:
255.39 ms | 405 KiB | 391 Q