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run code in 300+ PHP versions simultaneously
<?php $s='third option showing that you haven"t understood anything at all'; $lenght = strlen($s); $limit =20; $r=''; $m=1; for($i=1;$i<$lenght;$i++){ $curr = $s[$i]; if ($i>=$limit*$m && $curr ==' '){ $curr = '<br />'; $m++; } $r.=$curr; } echo $r;
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
hird option showing<br />that you haven"t understood<br />anything at<br />all

preferences:
214.82 ms | 406 KiB | 314 Q