   #PHP Manual Mcrypt Encryption Functions mcrypt_list_algorithms
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                               mcrypt_list_modes

   (PHP 4 >= 4.0.2)
   mcrypt_list_modes -- Get an array of all supported modes

Description

   array mcrypt_list_modes ( [string lib_dir])

   mcrypt_list_modes() is used to get an array of all supported modes in
   the lib_dir.

   mcrypt_list_modes() takes as optional parameter a directory which
   specifies the directory where all modes are located. If not specifies,
   the value of the mcrypt.modes_dir php.ini directive is used.

   Example 1. mcrypt_list_modes() Example
   <?php
       $modes = mcrypt_list_modes();
       foreach ($modes as $mode) {
           echo "$mode <br />\n";
       }
   ?>

   The above example will produce a list with all supported algorithms in
   the default mode directory. If it is not set with the ini directive
   mcrypt.modes_dir, the default directory of mcrypt is used (which is
   /usr/local/lib/libmcrypt).
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