Online PHP editor | output for ZbIRv

@ 2020-02-27T22:43:45Z

<?php
$strings1 = 'Арг.ен!тина ма,нит нег$ра';
$strings2 = 'S!um summ$us mu,s';
$strings3 = 'Арг.ен!тина ма,нит нег$ра'.'S!um summ$us mu,s';

$strings1 = mb_strtolower(preg_replace('/[^\p{Cyrillic}\p{Latin}]/u', '', $strings1));
var_dump($strings1);

$strings2 = mb_strtolower(preg_replace('/[^\p{Cyrillic}\p{Latin}]/u', '', $strings2));
var_dump($strings2);

$strings3 = mb_strtolower(preg_replace('/[^\p{Cyrillic}\p{Latin}]/u', '', $strings3));
var_dump($strings3);

Output for 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 - 8.3.4, 8.3.6: string(38) "аргентинаманитнегра" string(12) "sumsummusmus" string(50) "аргентинаманитнеграsumsummusmus"
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(38) "аргентинаманитнегра" string(12) "sumsummusmus" string(50) "аргентинаманитнеграsumsummusmus"

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