<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.class-exists">
   <refnamediv>
    <refname>class_exists</refname>
    <refpurpose>Checks if the class has been defined</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>bool</type><methodname>class_exists</methodname>
      <methodparam><type>string</type><parameter>class_name</parameter></methodparam>
     </methodsynopsis>
    <para>
     This function returns &true; if the class given by
     <parameter>class_name</parameter> has been defined,
     &false; otherwise.
    </para>
    <simpara>
     See also <function>get_declared_classes</function>.
    </simpara>
   </refsect1>
  </refentry>

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