Spoofchecker::isSuspicious
(PHP 5 >= 5.4.0, PHP 7, PECL intl >= 2.0.0)
Spoofchecker::isSuspicious — Checks if a given text contains any suspicious characters
Description
public Spoofchecker::isSuspicious ( string $text [, string &$error ] ) : bool
Checks if given string contains any suspicious characters like letters which are almost identical visually, but are Unicode characters from different sets.
Parameters
-
text -
String to test.
-
error -
This variable is set by-reference to string containing an error, if there were any.
Return Values
Returns true if there are suspicious characters, false otherwise.
Examples
Example #1 Spoofchecker::isSuspicious() example
<?php
$checker = new Spoofchecker();
$checker->isSuspicious('google.com'); // FALSE: only ASCII characters
$checker->isSuspicious('Рaypal.com'); // TRUE
// The first letter is from Cyrylic, not a regular latin "P"
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https://www.php.net/manual/en/spoofchecker.issuspicious.php