mcrypt_module_is_block_mode

    (PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

    mcrypt_module_is_block_mode — Returns if the specified mode outputs blocks or not

    Warning

    This function has been DEPRECATED as of PHP 7.1.0 and REMOVED as of PHP 7.2.0. Relying on this function is highly discouraged.

    Description

    mcrypt_module_is_block_mode(string $mode, string $lib_dir = ?): bool

    This function returns true if the mode outputs blocks of bytes or false if it outputs just bytes. (e.g. true for cbc and ecb, and false for cfb and stream).

    Parameters

    mode

    One of the MCRYPT_MODE_modename constants, or one of the following strings: "ecb", "cbc", "cfb", "ofb", "nofb" or "stream".

    lib_dir

    The optional lib_dir parameter can contain the location where the algorithm module is on the system.

    Return Values

    This function returns true if the mode outputs blocks of bytes or false if it outputs just bytes. (e.g. true for cbc and ecb, and false for cfb and stream).

    Improve This Page

    Learn How To Improve This Page • Submit a Pull Request • Report a Bug
    ＋add a note

    User Contributed Notes

    There are no user contributed notes for this page.
    To Top