petitchevalroux/homoglyph

Replace all homoglyphs with latin characters equivalent, latin homoglyphs are not replaced

v1.0 2019-11-04 20:04 UTC

Requires (Dev)

• phpunit/phpunit: ^5

LGPL-3.0-or-later

• Patrick Poulain

README

Replace all homoglyphs with latin characters equivalent, latin homoglyphs are not replaced.

Install

composer require petitchevalroux/homoglyph

Usage

Replace homoglyphs

<?php
echo (new \Pcr\Homoglyph())->replace('аЬсԁеһіјорѕѵѡху'));

Display :

abcdehijopsvwxy

Inspiration and documentation

Datasource : http://www.unicode.org/Public/security/latest/confusables.txt

Import script and idea from : https://github.com/nodeca/unhomoglyph

Supported homoglyphs

• Cyrillic letter (upper and lower case)
• Fullwidth latin (upper and lower case)
• More but not tested yet (feel free to contribute)

Non replaced latin homoglyphs

Following characters are considered as confusing by unicode standard but are not replaced in replace function as they are latin valid characters.

0 => O
I => l
m => rn
1 => l

Fullwidth latin

Fullwidth latin letters (upper and lower case) are replace by the corresponding characters.

ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ

replacements :

abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ

Update

The following script allow to update characters-map.php (node is required)

tools/update.php