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<?php function createCombinations($input_str, $length) { $input = str_split($input_str); foreach($input as $c) { if($length == 1) { yield $c; return; } else { foreach(createCombinations($input_str, $length -1) as $s) { yield $c + $s; return; } } } } $texte = "abcdefghijklmnopqrstuvwxyz0123456789"; foreach(createCombinations($texte, 4) as $result) { echo $result; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/65UpG:14 Stack trace: #0 /in/65UpG(13): createCombinations('abcdefghijklmno...', 2) #1 /in/65UpG(13): createCombinations('abcdefghijklmno...', 3) #2 /in/65UpG(22): createCombinations('abcdefghijklmno...', 4) #3 {main} thrown in /in/65UpG on line 14
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/65UpG on line 14 Warning: A non-numeric value encountered in /in/65UpG on line 14 Warning: A non-numeric value encountered in /in/65UpG on line 14 Warning: A non-numeric value encountered in /in/65UpG on line 14 0
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
0
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$c' (T_VARIABLE) in /in/65UpG on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/65UpG on line 8
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 T_VARIABLE in /in/65UpG on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/65UpG on line 8
Process exited with code 255.
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233.89 ms | 401 KiB | 355 Q