php man page for mcrypt_list_modes

MCRYPT_LIST_MODES(3)							 1						      MCRYPT_LIST_MODES(3)

mcrypt_list_modes - Gets an array of all supported modes

SYNOPSIS
       array mcrypt_list_modes ([string  $lib_dir = ini_get("mcrypt.modes_dir")])

DESCRIPTION
	Gets the list of all supported modes in the $lib_dir parameter.

PARAMETERS
	      o $lib_dir
		-  Specifies  the  directory where all modes are located. If not specified, the value of the mcrypt.modes_dir php.ini directive is
		used.

RETURN VALUES
	Returns an array with all the supported modes.

EXAMPLES
       Example #1

	      mcrypt_list_modes(3) Example

	      <?php
		  $modes = mcrypt_list_modes();

		  foreach ($modes as $mode) {
		      echo "$mode <br />
";
		  }
	      ?>

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

PHP Documentation Group 												      MCRYPT_LIST_MODES(3)