3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i6 = 0; $i6 < 9; $i6++) { for ($i7 = 0; $i7 < 10; $i7++) { $a = array($i6,$i7); } } var_dump($a); var_dump($i6); var_dump($i7);
Output for 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
array(2) { [0]=> int(8) [1]=> int(9) } int(9) int(10)

preferences:
241.02 ms | 404 KiB | 373 Q