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<?php $dir=@opendir('/'); $a=array(); while(($f=readdir($dir))){$a[]=$f;}; sort($a); print(join('\n',$a));
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: readdir(): Argument #1 ($dir_handle) must be of type resource or null, false given in /in/M13lJ:4 Stack trace: #0 /in/M13lJ(4): readdir(false) #1 {main} thrown in /in/M13lJ on line 4
Process exited with code 255.
Output for 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught TypeError: readdir(): Argument #1 ($dir_handle) must be of type resource or null, bool given in /in/M13lJ:4 Stack trace: #0 /in/M13lJ(4): readdir(false) #1 {main} thrown in /in/M13lJ on line 4
Process exited with code 255.
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, 5.5.0 - 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 - 7.3.33, 7.4.0 - 7.4.26, 7.4.33, 8.0.0 - 8.0.13
.\n..\nbin\nboot\ndev\netc\nhome\nin\nlib\nlib64\nmnt\nopt\nproc\nroot\nrun\nsbin\nsrv\nsys\ntmp\nusr\nvar
Output for 7.4.27 - 7.4.32
Warning: readdir() expects parameter 1 to be resource, bool given in /in/M13lJ on line 4

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