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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User Contributed Notes 1 note

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Anonymous ¶

8 years ago


Example of usage:

$checker = new Spoofchecker();

// false: all letters are in ASCII
var_dump($checker->isSuspicious("goog1e.com"));
// true: the first Cyrillic letter is from different set
var_dump($checker->isSuspicious("Рaypal.com"));

This came from 
http://stackoverflow.com/questions/17458876/php-spoofchecker-class

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