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]." "; } }*/ $array[0][0] = 2; $array[0][1] = 9; $array[0][2] = 3; $array[1][0] = 8; $array[1][1] = 18; $array[1][2] = 4; $array[2][0] = 20; $array[2][1] = 1; $array[2][2] = 6; echo max(array_keys($array[0])); ?>
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 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2

preferences:
193.98 ms | 405 KiB | 307 Q