3v4l.org

run code in 300+ PHP versions simultaneously
<?php $size = 9; $space = " "; $center = ceil($size/2); $maxPost = abs($center - $size); for ($i=0; $i<$size; $i++) { $post = abs($center + $i - $size); $pre = $maxPost - $post; echo str_repeat($space,$pre); echo "x "; echo str_repeat($space, $post); if ($post > 0) { echo str_repeat($space, $post-1); echo "x "; } echo str_repeat($space, $pre) . "\n<br>"; }
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
x x <br> x x <br> x x <br> x x <br> x <br> x x <br> x x <br> x x <br>x x <br>
preferences:
264.76 ms | 406 KiB | 460 Q