(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
Checks if given string contains any suspicious characters like letters which are almost identical visually, but are Unicode characters from different sets.
string
String to test.
errorCode
This variable is set by-reference to int containing an error, if there was any.
示例 #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"