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run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "Фадэь ёэ хфигцаёачр гэытиочр!"; function rotn($string, $n) { $alphabet = array( 1 => "а", 2 => "б", 3 => "в", 4 => "г", 5 => "д", 6 => "е", 7 => "ё", 8 => "ж", 9 => "з", 10 => "и", 11 => "й", 12 => "к", 13 => "л", 14 => "м", 15 => "н", 16 => "о", 17 => "п", 18 => "р", 19 => "с", 20 => "т", 21 => "у", 22 => "ф", 23 => "х", 24 => "ц", 25 => "ч", 26 => "ш", 27 => "щ", 28 => "ъ", 29 => "ы", 30 => "ь", 31 => "э", 32 => "ю", 33 => "я" ); $alphabet_r = array_flip($alphabet); $string = strtolower($string); foreach (str_split(strtolower($string), 1) as $character) { die(var_dump($character, $alphabet_r[$character])); //echo $character; echo $alphabet[$alphabet_r[$character] + $n]; } } rotn($string, 1);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined index: � in /in/H2uX1 on line 20 string(1) "�" NULL
Output for 5.0.0 - 5.2.17
Notice: Undefined index: � in /in/H2uX1 on line 20 string(1) "�" NULL
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/H2uX1 on line 19
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/H2uX1 on line 19
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/H2uX1 on line 19