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(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
$string, int &$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.
string
String to test.
errorCode
This variable is set by-reference to int containing an error, if there was any.
Returns true if there are suspicious characters, false otherwise.
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"
