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Spoofchecker::isSuspicious

PHP function Edit on GitHub ✎

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

Checks if a given text contains any suspicious characters

Description

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 Integer containing an error, if there was any.

Return Values

Returns true if there are suspicious characters, false otherwise.

Examples

Spoofchecker::isSuspicious() example

php
<?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"

Source: reference/intl/spoofchecker/issuspicious.xml · from the official PHP manual (php/doc-en)