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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Copies data from one stream to another</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.stream-context-set-params.html">stream_context_set_params</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.stream-encoding.html">stream_encoding</a></div> <div class="up"><a href="ref.stream.html">Stream Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.stream-copy-to-stream" class="refentry"> <div class="refnamediv">  <h1 class="refname">stream_copy_to_stream</h1>  <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">stream_copy_to_stream</span> &mdash; <span class="dc-title">Copies data from one stream to another</span></p> </div> <div class="refsect1 description">  <h3 class="title">Description</h3>  <div class="methodsynopsis dc-description">   <span class="type">int</span> <span class="methodname"><b><b>stream_copy_to_stream</b></b></span>    ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$source</tt></span>   , <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$dest</tt></span>   [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$maxlength</tt></span>   [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$offset</tt></span>  ]] )</div>  <p class="para rdfs-comment">   Makes a copy of up to <i><tt class="parameter">maxlength</tt></i> bytes   of data from the current position (or from the   <i><tt class="parameter">offset</tt></i> position, if specified) in   <i><tt class="parameter">source</tt></i> to <i><tt class="parameter">dest</tt></i>. If   <i><tt class="parameter">maxlength</tt></i> is not specified, all remaining content in   <i><tt class="parameter">source</tt></i> will be copied.  </p> </div> <div class="refsect1 parameters">  <h3 class="title">Parameters</h3>  <p class="para">   <dl>    <dt>     <span class="term"><i><tt class="parameter">source</tt></i></span>     <dd>      <p class="para">       The source stream      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">dest</tt></i></span>     <dd>      <p class="para">       The destination stream      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">maxlength</tt></i></span>     <dd>      <p class="para">       Maximum bytes to copy      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">offset</tt></i></span>     <dd>      <p class="para">       The offset where to start to copy data      </p>     </dd>    </dt>   </dl>  </p> </div> <div class="refsect1 returnvalues">  <h3 class="title">Return Values</h3>  <p class="para">   Returns the total count of bytes copied.  </p> </div> <div class="refsect1 changelog">  <h3 class="title">ChangeLog</h3>  <p class="para">   <table class="informaltable">    <colgroup>     <thead valign="middle">      <tr valign="middle">       <th colspan="1">Version</th>       <th colspan="1">Description</th>      </tr>     </thead>     <tbody valign="middle" class="tbody">      <tr valign="middle">       <td colspan="1" rowspan="1" align="left">5.1.0</td>       <td colspan="1" rowspan="1" align="left">        Added the <i><tt class="parameter">offset</tt></i> parameter       </td>      </tr>     </tbody>    </colgroup>   </table>  </p> </div> <div class="refsect1 examples">  <h3 class="title">Examples</h3>  <p class="para">   <div class="example">    <p><b>Example #1 A <b>stream_copy_to_stream()</b> example</b></p>    <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$src&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://www.example.com'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'r'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$dest1&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'first1k.txt'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'w'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$dest2&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'remainder.txt'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'w'</span><span style="color: #007700">);<br /><br />echo&nbsp;</span><span style="color: #0000BB">stream_copy_to_stream</span><span style="color: #007700">(</span><span style="color: #0000BB">$src</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$dest1</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1024</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"&nbsp;bytes&nbsp;copied&nbsp;to&nbsp;first1k.txt\n"</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #0000BB">stream_copy_to_stream</span><span style="color: #007700">(</span><span style="color: #0000BB">$src</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$dest2</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"&nbsp;bytes&nbsp;copied&nbsp;to&nbsp;remainder.txt\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>   </div>  </p> </div> <div class="refsect1 seealso">  <h3 class="title">See Also</h3>  <p class="para">   <ul class="simplelist">    <li class="member"><a href="function.copy.html" class="function" rel="rdfs-seeAlso">copy()</a></li>   </ul>  </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.stream-context-set-params.html">stream_context_set_params</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.stream-encoding.html">stream_encoding</a></div> <div class="up"><a href="ref.stream.html">Stream Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>
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