Spoofchecker::isSuspicious
(PHP 5 >= 5.4.0, PHP 7, PHP 8, PECL intl >= 2.0.0)
Checks if a given text contains any suspicious characters
Description
Checks if given string contains any suspicious characters like letters which are almost identical visually, but are Unicode characters from different sets.
Parameters
stringString to test.
errorCodeThis 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
$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"