3v4l.org

run code in 300+ PHP versions simultaneously
<?php function cross($h) { $out = ""; for ($i = 0; $i<$h; $i++) { $endPos = $h - $i - 1; $out .= $endPos; for ($j = 0; $j<$h; $j++) { $out .= ($j == $i || $j == $endPos) ? "*" : " "; } $out .= "<br>"; } echo $out; } cross(9); ?>
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 - 7.1.10, 7.2.29 - 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
8* *<br>7 * * <br>6 * * <br>5 * * <br>4 * <br>3 * * <br>2 * * <br>1 * * <br>0* *<br>
preferences:
248.68 ms | 406 KiB | 348 Q