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<h1 class="refname">socket_send</h1>
<p class="verinfo">(PHP 4 >= 4.1.0, PHP 5)</p><p class="refpurpose"><span class="refname">socket_send</span> — <span class="dc-title">Sends data to a connected socket</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.socket-send-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><strong>socket_send</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$socket</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$buf</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$len</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$flags</code></span>
)</div>
<p class="para rdfs-comment">
The function <span class="function"><strong>socket_send()</strong></span> sends
<em><code class="parameter">len</code></em> bytes to the socket
<em><code class="parameter">socket</code></em> from <em><code class="parameter">buf</code></em>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.socket-send-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">socket</code></em></span>
<dd>
<p class="para">
A valid socket resource created with <span class="function"><a href="function.socket-create.html" class="function">socket_create()</a></span>
or <span class="function"><a href="function.socket-accept.html" class="function">socket_accept()</a></span>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">buf</code></em></span>
<dd>
<p class="para">
A buffer containing the data that will be sent to the remote host.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">len</code></em></span>
<dd>
<p class="para">
The number of bytes that will be sent to the remote host from
<em><code class="parameter">buf</code></em>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">flags</code></em></span>
<dd>
<p class="para">
The value of <em><code class="parameter">flags</code></em> can be any combination of
the following flags, joined with the binary OR (<em>|</em>)
operator.
<table class="doctable table">
<caption><strong>Possible values for <em><code class="parameter">flags</code></em></strong></caption>
<tbody class="tbody">
<tr>
<td><strong><code>MSG_OOB</code></strong></td>
<td>
Send OOB (out-of-band) data.
</td>
</tr>
<tr>
<td><strong><code>MSG_EOR</code></strong></td>
<td>
Indicate a record mark. The sent data completes the record.
</td>
</tr>
<tr>
<td><strong><code>MSG_EOF</code></strong></td>
<td>
Close the sender side of the socket and include an appropriate
notification of this at the end of the sent data. The sent data
completes the transaction.
</td>
</tr>
<tr>
<td><strong><code>MSG_DONTROUTE</code></strong></td>
<td>
Bypass routing, use direct interface.
</td>
</tr>
</tbody>
</table>
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.socket-send-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
<span class="function"><strong>socket_send()</strong></span> returns the number of bytes sent, or <strong><code>FALSE</code></strong> on error.
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.socket-send-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.socket-sendto.html" class="function" rel="rdfs-seeAlso">socket_sendto()</a> - Sends a message to a socket, whether it is connected or not</span></li>
</ul>
</p>
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