PHP Manual
Spoofchecker
Checks if a given text contains any suspicious characters

Spoofchecker::isSuspicious

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

Spoofchecker::isSuspicious — Checks if a given text contains any suspicious characters

说明

public Spoofchecker::isSuspicious ( string $text [, string &$error ] ) : bool

Checks if given string contains any suspicious characters like letters which are almost identical visually, but are Unicode characters from different sets.

参数

text: String to test.
error: This variable is set by-reference to string containing an error, if there were any.

返回值

Returns TRUE if there are suspicious characters, FALSE otherwise.

范例

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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