function.stream-wrapper-register.html

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  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><b><a href="function.rmdir.html" class="function">rmdir</a></b></span>
    ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$path</tt></span>
   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$options</tt></span>
   )</div>

  <p class="para rdfs-comment">
   This method is called in response to <a href="function.rmdir.html" class="function">rmdir()</a>
   calls on URL paths associated with the wrapper and should attempt
   to remove the directory specified by <i><tt class="parameter">path</tt></i>
.
   It should return <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure.
   In order for the appropriate error message to be returned,
   do not define this method if your wrapper does not support
   removing directories.  Possible values for <i><tt class="parameter">options</tt></i>

   include <b><tt>STREAM_REPORT_ERRORS</tt></b>.
  </p>
  <blockquote><p><b class="note">Note</b>: 
   <span class="simpara">
    Userspace wrapper rmdir method is not supported prior to
    PHP 5.0.0.
   </span>
  </p></blockquote>

  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><b><b>dir_opendir</b></b></span>
    ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$path</tt></span>
   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$options</tt></span>
   )</div>

  <p class="para rdfs-comment">
   This method is called immediately when your stream object is created for
   examining directory contents with <a href="function.opendir.html" class="function">opendir()</a>.
   <i><tt class="parameter">path</tt></i>
 specifies the URL that was
   passed to <a href="function.opendir.html" class="function">opendir()</a> and that this object is
   expected to explore.  You can use <a href="function.parse-url.html" class="function">parse_url()</a>
   to break it apart.
  </p>

  <div class="methodsynopsis dc-description">
   <span class="type">array</span> <span class="methodname"><b><b>url_stat</b></b></span>
    ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$path</tt></span>
   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$flags</tt></span>
   )</div>

  <p class="para rdfs-comment">
   This method is called in response to <a href="function.stat.html" class="function">stat()</a>
   calls on the URL paths associated with the wrapper and should
   return as many elements in common with the system function as
   possible.  Unknown or unavailable values should be set to a
   rational value (usually <b><tt>0</tt></b>).
  </p>
  <p class="para">
   <i><tt class="parameter">flags</tt></i>
 holds additional flags set
   by the streams API. It can hold one or more of the following
   values OR&#039;d together.
   <table class="informaltable">
    <colgroup>

     <thead valign="middle">
      <tr valign="middle">
       <th colspan="1">Flag</th>
       <th colspan="1">Description</th>
      </tr>

     </thead>

     <tbody valign="middle" class="tbody">
      <tr valign="middle">
       <td colspan="1" rowspan="1" align="left">STREAM_URL_STAT_LINK</td>
       <td colspan="1" rowspan="1" align="left">
        For resources with the ability to link to other resource
        (such as an HTTP Location: forward, or a filesystem
        symlink).  This flag specified that only information
        about the link itself should be returned, not the
        resource pointed to by the link.  This flag is set in
        response to calls to <a href="function.lstat.html" class="function">lstat()</a>,
        <a href="function.is-link.html" class="function">is_link()</a>, or <a href="function.filetype.html" class="function">filetype()</a>.
       </td>
      </tr>

      <tr valign="middle">
       <td colspan="1" rowspan="1" align="left">STREAM_URL_STAT_QUIET</td>
       <td colspan="1" rowspan="1" align="left">If this flag is set, your wrapper should not raise any
        errors.  If this flag is not set, you are responsible for
        reporting errors using the <a href="function.trigger-error.html" class="function">trigger_error()</a>
        function during stating of the path.
       </td>
      </tr>

     </tbody>
    </colgroup>

   </table>
  </p>

  <div class="methodsynopsis dc-description">
   <span class="type">string</span> <span class="methodname"><b><b>dir_readdir</b></b></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   This method is called in response to <a href="function.readdir.html" class="function">readdir()</a>
   and should return a string representing the next filename in the
   location opened by <b>dir_opendir()</b>.
  </p>

  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><b><b>dir_rewinddir</b></b></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   This method is called in response to <a href="function.rewinddir.html" class="function">rewinddir()</a>
   and should reset the output generated by <b>dir_readdir()</b>.
   i.e.: The next call to <b>dir_readdir()</b> should return
   the first entry in the location returned by <b>dir_opendir()</b>.
  </p>

  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><b><b>dir_closedir</b></b></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   This method is called in response to <a href="function.closedir.html" class="function">closedir()</a>.
   You should release any resources which were locked or allocated during
   the opening and use of the directory stream.
  </p>


  <p class="para">
   The example below implements a var:// protocol handler that
   allows read/write access to a named global variable using
   standard filesystem stream functions such as <a href="function.fread.html" class="function">fread()</a>.
   The var:// protocol implemented below, given the URL
   &quot;var://foo&quot; will read/write data to/from $GLOBALS[&quot;foo&quot;].

   <div class="example">
    <p><b>Example #1 A Stream for reading/writing global variables</b></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">class&nbsp;</span><span style="color: #0000BB">VariableStream&nbsp;</span><span style="color: #007700">{<br />&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;</span><span style="color: #0000BB">$position</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;</span><span style="color: #0000BB">$varname</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</span><span style="color: #0000BB">stream_open</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$mode</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$options</span><span style="color: #007700">,&nbsp;&amp;</span><span style="color: #0000BB">$opened_path</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$url&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">parse_url</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$url</span><span style="color: #007700">[</span><span style="color: #DD0000">"host"</span><span style="color: #007700">];<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">true</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</span><span style="color: #0000BB">stream_read</span><span style="color: #007700">(</span><span style="color: #0000BB">$count</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$ret&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">substr</span><span style="color: #007700">(</span><span style="color: #0000BB">$GLOBALS</span><span style="color: #007700">[</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$count</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position&nbsp;</span><span style="color: #007700">+=&nbsp;</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$ret</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$ret</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</span><span style="color: #0000BB">stream_write</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$left&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">substr</span><span style="color: #007700">(</span><span style="color: #0000BB">$GLOBALS</span><span style="color: #007700">[</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$right&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">substr</span><span style="color: #007700">(</span><span style="color: #0000BB">$GLOBALS</span><span style="color: #007700">[</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">));<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$GLOBALS</span><span style="color: #007700">[</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname</span><span style="color: #007700">]&nbsp;=&nbsp;</span><span style="color: #0000BB">$left&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$data&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$right</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position&nbsp;</span><span style="color: #007700">+=&nbsp;</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</span><span style="color: #0000BB">stream_tell</span><span style="color: #007700">()<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</span><span style="color: #0000BB">stream_eof</span><span style="color: #007700">()<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position&nbsp;</span><span style="color: #007700">&gt;=&nbsp;</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$GLOBALS</span><span style="color: #007700">[</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname</span><span style="color: #007700">]);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</span><span style="color: #0000BB">stream_seek</span><span style="color: #007700">(</span><span style="color: #0000BB">$offset</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$whence</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;switch&nbsp;(</span><span style="color: #0000BB">$whence</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">SEEK_SET</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(</span><span style="color: #0000BB">$offset&nbsp;</span><span style="color: #007700">&lt;&nbsp;</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$GLOBALS</span><span style="color: #007700">[</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname</span><span style="color: #007700">])&nbsp;&amp;&amp;&nbsp;</span><span style="color: #0000BB">$offset&nbsp;</span><span style="color: #007700">&gt;=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$offset</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">true</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">false</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">SEEK_CUR</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(</span><span style="color: #0000BB">$offset&nbsp;</span><span style="color: #007700">&gt;=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position&nbsp;</span><span style="color: #007700">+=&nbsp;</span><span style="color: #0000BB">$offset</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">true</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">false</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">SEEK_END</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$GLOBALS</span><span style="color: #007700">[</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname</span><span style="color: #007700">])&nbsp;+&nbsp;</span><span style="color: #0000BB">$offset&nbsp;</span><span style="color: #007700">&gt;=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">position&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$GLOBALS</span><span style="color: #007700">[</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">varname</span><span style="color: #007700">])&nbsp;+&nbsp;</span><span style="color: #0000BB">$offset</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">true</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">false</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;default:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">false</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #0000BB">stream_wrapper_register</span><span style="color: #007700">(</span><span style="color: #DD0000">"var"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"VariableStream"</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;or&nbsp;die(</span><span style="color: #DD0000">"Failed&nbsp;to&nbsp;register&nbsp;protocol"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$myvar&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$fp&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"var://myvar"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"r+"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"line1\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"line2\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"line3\n"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">rewind</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br />while&nbsp;(!</span><span style="color: #0000BB">feof</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">fgets</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$myvar</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
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