Online PHP editor | output for bfZKi

Output for 7.3.33, 7.4.26 - 7.4.33, 8.0.13 - 8.0.22, 8.0.24 - 8.0.30, 8.1.0 - 8.1.4, 8.1.6 - 8.1.7, 8.1.9 - 8.1.11, 8.1.13 - 8.1.23, 8.1.25 - 8.1.28, 8.2.1 - 8.2.6, 8.2.8 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Array ( [0] => . [1] => .. [2] => bfZKi )
Output for 8.3.5: Array ( [0] => . [1] => .. [2] => 7ktHu [3] => bfZKi )
Output for 8.2.7: Array ( [0] => . [1] => .. [2] => 1rcSC [3] => bfZKi )
Output for 8.2.0: Array ( [0] => . [1] => .. [2] => 6ZM18 [3] => bfZKi )
Output for 8.1.24: Array ( [0] => . [1] => .. [2] => 5bFe5 [3] => bfZKi )
Output for 8.1.12: Array ( [0] => . [1] => .. [2] => Fh2tn [3] => bfZKi [4] => nQaCd )
Output for 8.1.8: Array ( [0] => . [1] => .. [2] => 0UuRn [3] => bfZKi )
Output for 8.1.5: Array ( [0] => . [1] => .. [2] => BTpi1 [3] => bfZKi )
Output for 8.0.23: Array ( [0] => . [1] => .. [2] => 9e9eB [3] => bfZKi )
Output for 8.0.0 - 8.0.12: Warning: scandir(./in): Failed to open directory: Permission denied in /in/bfZKi on line 3 Warning: scandir(): (errno 13): Permission denied in /in/bfZKi on line 3
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 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 - 7.2.34, 7.3.0 - 7.3.32, 7.4.0 - 7.4.25: Warning: scandir(./in): failed to open dir: Permission denied in /in/bfZKi on line 3 Warning: scandir(): (errno 13): Permission denied in /in/bfZKi on line 3
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2: Warning: scandir(./in) [<a href='function.scandir'>function.scandir</a>]: failed to open dir: No such file or directory in /in/bfZKi on line 3 Warning: scandir() [<a href='function.scandir'>function.scandir</a>]: (errno 2): No such file or directory in /in/bfZKi on line 3
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: scandir() in /in/bfZKi on line 3 
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: scandir() in /in/bfZKi on line 3 
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: scandir() in /in/bfZKi on line 3