3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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; $array[2][2] = 6; print_f(array_keys($array[1])); ?>
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function print_f() in /in/rtM9Z:21 Stack trace: #0 {main} thrown in /in/rtM9Z on line 21
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.12.0
Fatal error: Call to undefined function print_f() in /in/rtM9Z on line 21
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: print_f() in /in/rtM9Z on line 21
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: print_f() in /in/rtM9Z on line 21
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: print_f() in /in/rtM9Z on line 21