3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$arr = array(1,2,3,4,5,6,7,8,9,0); $arr = array(1,2,3,4,5,6,7,8); $i = 1; $s = ''; $a = ''; while ($i != count($arr)) { echo $i."\n"; $a .= "<a href='#'>{$arr[$i-1]}</a>\n"; //$s .= !($i%4) ? "<li>$a</li>\n": ''; if ($i % 4 == 0) { $s .= "<li>$a</li>\n"; $a = ''; } $i++; } $s .= ($i%4) ? "</li>\n" : ''; echo $s;
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 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 2 3 4 5 6 7 <li><a href='#'>1</a> <a href='#'>2</a> <a href='#'>3</a> <a href='#'>4</a> </li>

preferences:
271.07 ms | 406 KiB | 456 Q