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  <refentry id="function.is-int">
   <refnamediv>
    <refname>is_int</refname>
    <refpurpose>Find whether a variable is an integer</refpurpose>
   </refnamediv>
   <refsect1 role="description">
    &reftitle.description;
     <methodsynopsis>
      <type>bool</type><methodname>is_int</methodname>
      <methodparam><type>mixed</type><parameter>var</parameter></methodparam>
     </methodsynopsis>
    <para>
     Finds whether the given variable is an integer.
    </para>
    <note>
     <para>
      To test if a variable is a number or a numeric string (such as form
      input, which is always a string), you must use
      <function>is_numeric</function>.
     </para>
    </note>
   </refsect1>
   <refsect1 role="parameters">
    &reftitle.parameters;
    <para>
     <variablelist>
      <varlistentry>
       <term><parameter>var</parameter></term>
       <listitem>
        <para>
         The variable being evaluated.
        </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </para>
   </refsect1>
   <refsect1 role="returnvalues">
    &reftitle.returnvalues;
    <para>
     Returns &true; if <parameter>var</parameter> is an <type>integer</type>, 
     &false; otherwise.
    </para>
   </refsect1>
   <refsect1 role="seealso">
    &reftitle.seealso;
    <para>
     <simplelist>
      <member><function>is_bool</function></member>
      <member><function>is_float</function></member>
      <member><function>is_numeric</function></member>
      <member><function>is_string</function></member>
      <member><function>is_array</function></member>
      <member><function>is_object</function></member>
     </simplelist>
    </para>
   </refsect1>
  </refentry>

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