<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.gmp-intval">
 <refnamediv>
  <refname>gmp_intval</refname>
  <refpurpose>Convert GMP number to integer</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>gmp_intval</methodname>
  <methodparam><type>resource</type><parameter>gmpnumber</parameter></methodparam>
  </methodsynopsis>
  <para>
   This function allows to convert GMP number to integer.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>gmpnumber</parameter></term>
     <listitem>
      <para>
       A GMP number.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   An <type>integer</type> value of <parameter>gmpnumber</parameter>.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>gmp_intval</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
// displays correct result
echo gmp_intval("2147483647") . "\n";

// displays wrong result, above PHP integer limit
echo gmp_intval("2147483648") . "\n";

// displays correct result
echo gmp_strval("2147483648") . "\n";
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
2147483647
2147483647
2147483648
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <warning>
   <simpara>
    This function returns a useful result only if the number actually
    fits the PHP integer (i.e., signed long type). If you want just
    to print the GMP number, use <function>gmp_strval</function>.
   </simpara>
  </warning>
 </refsect1>

</refentry>

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