Online PHP editor | output for mIWga

@ 2021-04-30T21:19:48Z

<?php

echo "strlen ГРАЙ: " . strlen('ГРАЙ') . PHP_EOL;

$mask = function ($name) { $length = strlen($name); return $name[0] . str_repeat('*', $length - 2) . $name[$length - 1]; };
echo "single-byte mask: " . $mask('ГРАЙ') . PHP_EOL;

$grapheme_mask = function ($name) { $length = grapheme_strlen($name); return grapheme_substr($name, 0, 1) . str_repeat('*', $length - 2) . grapheme_substr($name, -1, 1); };
echo "grapheme mask: " . $grapheme_mask('ГРАЙ') . PHP_EOL;

$mb_mask = function ($name) { $length = mb_strlen($name); return mb_substr($name, 0, 1) . str_repeat('*', $length - 2) . mb_substr($name, -1, 1); };
echo "mb mask: " . $mb_mask('ГРАЙ') . PHP_EOL;

Output for 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7: strlen ГРАЙ: 8 single-byte mask: �******� grapheme mask: Г**Й mb mask: Г**Й
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 strlen ГРАЙ: 8 single-byte mask: �******� grapheme mask: Г**Й mb mask: Г**Й
Output for 7.3.32, 7.4.26, 7.4.33, 8.0.13: strlen ГРАЙ: 8 single-byte mask: �******� Fatal error: Uncaught Error: Call to undefined function grapheme_strlen() in /in/mIWga:8 Stack trace: #0 /in/mIWga(9): {closure}('\xD0\x93\xD0\xA0\xD0\x90\xD0\x99') #1 {main} thrown in /in/mIWga on line 8
Process exited with code 255.

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