3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 1.002302000; $v = explode('.', $value); $p = 0; for ($i = 0; $i < strlen($v[1]); $i++) { if (substr($v[1], $i, 1) > 0) { $p = $i+1; } } print round($value, $p);
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 - 7.1.25, 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
1.002302
preferences:
251.57 ms | 406 KiB | 330 Q