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<?=($__='`@`@'^'*/).')(($_='->.<:'^'__@[_')('>'^@_,'%'^@_)),$__($_('|'^'=','|'^'&')),$__($_(':'^"\n",';'^']'^@_));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Undefined constant "_" in /in/XRQec:1 Stack trace: #0 {main} thrown in /in/XRQec on line 1
Process exited with code 255.
Output for 7.0.0 - 7.0.30, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/XRQec on line 1
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
<?=($__='`@`@'^'*/).')(($_='->.<:'^'__@[_')('>'^@_,'%'^@_)),$__($_('|'^'=','|'^'&')),$__($_(':'^"\n",';'^']'^@_));

preferences:
315.52 ms | 402 KiB | 420 Q