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>mcrypt_list_algorithms</H1
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>    (PHP 4 &#62;= 4.0.2)</P
>mcrypt_list_algorithms&nbsp;--&nbsp;Get an array of all supported ciphers</DIV
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><H2
>Description</H2
>array <B
CLASS="methodname"
>mcrypt_list_algorithms</B
> ( [string lib_dir])<BR
></BR
><P
>&#13;     <B
CLASS="function"
>mcrypt_list_algorithms()</B
> is used to get an
     array of all supported algorithms in the <TT
CLASS="parameter"
><I
>lib_dir</I
></TT
> parameter.
    </P
><P
>&#13;     <B
CLASS="function"
>mcrypt_list_algorithms()</B
> takes an optional
     <TT
CLASS="parameter"
><I
>lib_dir</I
></TT
> parameter which specifies the directory
     where all algorithms are located. If not specifies, the value of the
     mcrypt.algorithms_dir <TT
CLASS="filename"
>php.ini</TT
> directive is used.
    </P
><P
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><B
>Example 1. <B
CLASS="function"
>mcrypt_list_algorithms()</B
> Example</B
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>&#60;?php
    $algorithms = mcrypt_list_algorithms ("/usr/local/lib/libmcrypt");

    foreach ($algorithms as $cipher) {
        echo "$cipher&#60;br /&#62;\n";
    }
?&#62;</PRE
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>&#13;       The above example will produce a list with all supported
       algorithms in the "/usr/local/lib/libmcrypt" directory.
      </P
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