stream-copy-to-stream.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.stream-copy-to-stream" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>stream_copy_to_stream</refname>
  <refpurpose>Copies data from one stream to another</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>stream_copy_to_stream</methodname>
   <methodparam><type>resource</type><parameter>source</parameter></methodparam>
   <methodparam><type>resource</type><parameter>dest</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>maxlength</parameter><initializer>-1</initializer></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>offset</parameter><initializer>0</initializer></methodparam>
  </methodsynopsis>
  <para>
   Makes a copy of up to <parameter>maxlength</parameter> bytes
   of data from the current position (or from the
   <parameter>offset</parameter> position, if specified) in
   <parameter>source</parameter> to <parameter>dest</parameter>. If
   <parameter>maxlength</parameter> is not specified, all remaining content in
   <parameter>source</parameter> will be copied.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>source</parameter></term>
     <listitem>
      <para>
       The source stream
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>dest</parameter></term>
     <listitem>
      <para>
       The destination stream
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>maxlength</parameter></term>
     <listitem>
      <para>
       Maximum bytes to copy
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>offset</parameter></term>
     <listitem>
      <para>
       The offset where to start to copy data
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the total count of bytes copied, &return.falseforfailure;.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>5.1.0</entry>
       <entry>
        Added the <parameter>offset</parameter> parameter
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>stream_copy_to_stream</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$src = fopen('http://www.example.com', 'r');
$dest1 = fopen('first1k.txt', 'w');
$dest2 = fopen('remainder.txt', 'w');

echo stream_copy_to_stream($src, $dest1, 1024) . " bytes copied to first1k.txt\n";
echo stream_copy_to_stream($src, $dest2) . " bytes copied to remainder.txt\n";

?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

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

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