3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a($str1,$str2){ $d = $str1*3 + $str2*2; return $d; } for($count1 = 0; $count1 < 3; $count1++){ for($count2 = 0; $count2 < 3; $count2++){ $array[$count1][$count2] = a($count1,$count2); echo $array[$count1][$count2]." "; } } ?>
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 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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
0 2 4 3 5 7 6 8 10

preferences:
177.38 ms | 406 KiB | 315 Q