(PHP 5 >= 5.4.0, PHP 7, PECL intl >= 2.0.0)
Spoofchecker::areConfusable — Checks if given strings can be confused
public Spoofchecker::areConfusable ( string $str1 , string $str2 [, string &$error ] ) : bool
Checks whether two given strings can easily be mistaken.
str1
First string to check.
str2
Second string to check.
error
This variable is set by-reference to string containing an error, if there were any.
Returns true if two given strings can be confused, false otherwise.
Example #1 Spoofchecker::areConfusable() example
<?php
$checker = new Spoofchecker();
$checker->areConfusable('google.com', 'goog1e.com'); // true
// Lower l can be confused with digit one
$checker->areConfusable('google.com', 'g00g1e.com'); // false
// Zero (0) cannot be easily confused with "o" letter
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https://www.php.net/manual/en/spoofchecker.areconfusable.php