3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = array('depth' => 10); for ($i = 0; $i < $row['depth']; $i++) { echo $i; echo '&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp'; }
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, 5.6.8 - 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
0&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp1&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp2&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp3&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp4&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp5&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp6&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp7&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp8&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp9&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

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226.42 ms | 406 KiB | 353 Q