    FUNC :: boolean is_alpha ( string test [, boolean add_numeric [, string additional ]] )

    Returns TRUE if is alpha, FALSE if not.

    boolean add_numeric default value are: false

    Example:

    $test = 'XPertMailer V.2';

    // including numbers, space and dot
    echo FUNC::is_alpha($test, true, ' .') ? 'Yes' : 'No';

    // by default, only letters (small and capital)
    // echo FUNC::is_alpha($test) ? 'Yes' : 'No';

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    Last update: Wednesday, June 28, 2006