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run code in 300+ PHP versions simultaneously
<?php function sp($a) { $b = 1; $suma = 0; while ($b < $a) { if ($a % $b == 0) { $suma += $b; } $b += 1; } return $suma; } for ($i = 1, $max = 20; $i <= $max; $i++) { if (sp($i) == $i) { echo $i."\n"; } }
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 - 7.1.33, 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
6
preferences:
179.44 ms | 406 KiB | 344 Q