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<!-- $Revision: 1.6 $ -->
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  <refentry xml:id="function.mcrypt-module-is-block-mode" xmlns="http://docbook.org/ns/docbook">
   <refnamediv>
    <refname>mcrypt_module_is_block_mode</refname>
    <refpurpose>Returns if the specified mode outputs blocks or not</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>bool</type><methodname>mcrypt_module_is_block_mode</methodname>
      <methodparam><type>string</type><parameter>mode</parameter></methodparam>
      <methodparam choice="opt"><type>string</type><parameter>lib_dir</parameter></methodparam>
     </methodsynopsis>
    <para>
     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). The optional <parameter>lib_dir</parameter>
     parameter can contain the location where the mode module is on the
     system.
    </para>
   </refsect1>
  </refentry>

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