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<?php $str = <<<STR THEDLSDARNVNS CCVBXXMTGFRWS CVIYTVBVSDOPTR VBNMAITYSURFD MOTYYERSAWERTY MOITRUHDYRTBDI VNOWUNMBORN STR; $fib = [1,2,3,5,8,13]; foreach (explode(PHP_EOL, $str) as $line) { // hack to make the array 1-based // var_dump($line); $arr = str_split($line); array_unshift($arr, 'foo'); unset($arr[0]); $arr = array_filter($arr); foreach ($arr as $pos => $c) { // start at if ($pos > 9) { $index = $pos % 9; } else { $index = $pos; } // if in $fib array if (in_array($index, $fib)) { echo $c; } } }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
THELANVN CCVXTFRW CVITVDOPRVBNAYURF MOTYSWERYMOIRDRTBIVNOUBRN
Output for 4.4.3 - 4.4.9, 5.1.0 - 5.1.1, 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/CDJGB on line 13
Process exited with code 255.
Output for 4.4.2, 5.1.2
Parse error: syntax error, unexpected '[' in /in/CDJGB on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/CDJGB on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/CDJGB on line 13
Process exited with code 255.
preferences:
238.09 ms | 401 KiB | 340 Q