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<title>Process Interaction Streams</title>
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<div class="refnamediv">
<h1 class="refname">expect://</h1>
<p class="refpurpose"><span class="refname">expect://</span> — <span class="dc-title">Process Interaction Streams</span></p>
</div>
<div class="refsect1 description" id="refsect1-wrappers.expect-description">
<h3 class="title">Description</h3>
<p class="para">
Streams opened via the <var class="filename">expect://</var> wrapper provide
access to process'es stdio, stdout and stderr via PTY.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<strong>This wrapper is not enabled by default</strong><br />
<span class="simpara">
In order to use the <var class="filename">expect://</var> wrapper you must install
the <a href="http://pecl.php.net/package/expect" class="link external">» Expect</a> extension
available from <a href="http://pecl.php.net/" class="link external">» PECL</a>.
</span>
</p></blockquote>
<p class="simpara"><var class="filename">expect://</var> PHP 4.3.0 and up (PECL) </p>
</div>
<div class="refsect1 usage" id="refsect1-wrappers.expect-usage">
<h3 class="title">Usage</h3>
<ul class="itemizedlist">
<li class="listitem"><span class="simpara"><var class="filename">expect://command</var></span></li>
</ul>
</div>
<div class="refsect1 options" id="refsect1-wrappers.expect-options">
<h3 class="title">Options</h3>
<p class="para">
<table class="doctable table">
<caption><strong>Wrapper Summary</strong></caption>
<thead>
<tr>
<th>Attribute</th>
<th>Supported</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>Restricted by <a href="filesystem.configuration.html#ini.allow-url-fopen" class="link">allow_url_fopen</a></td>
<td>No</td>
</tr>
<tr>
<td>Allows Reading</td>
<td>Yes</td>
</tr>
<tr>
<td>Allows Writing</td>
<td>Yes</td>
</tr>
<tr>
<td>Allows Appending</td>
<td>Yes</td>
</tr>
<tr>
<td>Allows Simultaneous Reading and Writing</td>
<td>No</td>
</tr>
<tr>
<td>Supports <span class="function"><a href="function.stat.html" class="function">stat()</a></span></td>
<td>No</td>
</tr>
<tr>
<td>Supports <span class="function"><a href="function.unlink.html" class="function">unlink()</a></span></td>
<td>No</td>
</tr>
<tr>
<td>Supports <span class="function"><a href="function.rename.html" class="function">rename()</a></span></td>
<td>No</td>
</tr>
<tr>
<td>Supports <span class="function"><a href="function.mkdir.html" class="function">mkdir()</a></span></td>
<td>No</td>
</tr>
<tr>
<td>Supports <span class="function"><a href="function.rmdir.html" class="function">rmdir()</a></span></td>
<td>No</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 examples" id="refsect1-wrappers.expect-examples">
<h3 class="title">Examples</h3>
</div>
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