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Spoofchecker::isSuspicious

(PHP 5 >= 5.4.0, PHP 7, PHP 8, PECL intl >= 2.0.0)

Spoofchecker::isSuspicious — Checks if a given text contains any suspicious characters

Description

public Spoofchecker::isSuspicious(string $string, int &$errorCode = null): bool

Checks if given string contains any suspicious characters like letters which are almost identical visually, but are Unicode characters from different sets.

Parameters

string

String to test.

errorCode

This variable is set by-reference to int containing an error, if there was 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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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/spoofchecker.issuspicious.php