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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