disk-free-space.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.disk-free-space">
 <refnamediv>
  <refname>disk_free_space</refname>
  <refpurpose>Returns available space on filesystem or disk partition</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>float</type><type>false</type></type><methodname>disk_free_space</methodname>
   <methodparam><type>string</type><parameter>directory</parameter></methodparam>
  </methodsynopsis>
  <para>
   Given a string containing a directory, this function will return the
   number of bytes available on the corresponding filesystem or disk
   partition.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>directory</parameter></term>
     <listitem>
      <para>
       A directory of the filesystem or disk partition.
      </para>
      <note>
       <para>
        Given a file name instead of a directory, the behaviour of the
        function is unspecified and may differ between operating systems and
        PHP versions.
       </para>
      </note>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the number of available bytes as a float
   &return.falseforfailure;.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>disk_free_space</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
// $df contains the number of bytes available on "/"
$df = disk_free_space("/");

// On Windows:
$df_c = disk_free_space("C:");
$df_d = disk_free_space("D:");
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  &note.no-remote;
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>disk_total_space</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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