<?php
$letters = 'абвгдеёжзийклмнопрстуфхцчшщыэюяabcdefghijklmnopqrstuvwxyz';
if (function_exists('mb_str_split')) {
// PHP7.4 and higher
var_export(array_fill_keys(mb_str_split($letters), []));
} else {
// below PHP7.4
var_export(array_fill_keys(preg_split('~~u', $letters, 0, PREG_SPLIT_NO_EMPTY), []));
}
- Output for 7.1.25 - 7.1.30, 7.2.0 - 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
- array (
'а' =>
array (
),
'б' =>
array (
),
'в' =>
array (
),
'г' =>
array (
),
'д' =>
array (
),
'е' =>
array (
),
'ё' =>
array (
),
'ж' =>
array (
),
'з' =>
array (
),
'и' =>
array (
),
'й' =>
array (
),
'к' =>
array (
),
'л' =>
array (
),
'м' =>
array (
),
'н' =>
array (
),
'о' =>
array (
),
'п' =>
array (
),
'р' =>
array (
),
'с' =>
array (
),
'т' =>
array (
),
'у' =>
array (
),
'ф' =>
array (
),
'х' =>
array (
),
'ц' =>
array (
),
'ч' =>
array (
),
'ш' =>
array (
),
'щ' =>
array (
),
'ы' =>
array (
),
'э' =>
array (
),
'ю' =>
array (
),
'я' =>
array (
),
'a' =>
array (
),
'b' =>
array (
),
'c' =>
array (
),
'd' =>
array (
),
'e' =>
array (
),
'f' =>
array (
),
'g' =>
array (
),
'h' =>
array (
),
'i' =>
array (
),
'j' =>
array (
),
'k' =>
array (
),
'l' =>
array (
),
'm' =>
array (
),
'n' =>
array (
),
'o' =>
array (
),
'p' =>
array (
),
'q' =>
array (
),
'r' =>
array (
),
's' =>
array (
),
't' =>
array (
),
'u' =>
array (
),
'v' =>
array (
),
'w' =>
array (
),
'x' =>
array (
),
'y' =>
array (
),
'z' =>
array (
),
)
preferences:
166.5 ms | 406 KiB | 170 Q