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<h1 class="refname">socket_sendto</h1>
<p class="verinfo">(PHP 4 >= 4.1.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">socket_sendto</span> — <span class="dc-title">Sends a message to a socket, whether it is connected or not </span></p>
</div>
<div class="refsect1 description" id="refsect1-function.socket-sendto-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><strong>socket_sendto</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>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$addr</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$port</code><span class="initializer"> = 0</span></span>
] )</div>
<p class="para rdfs-comment">
The function <span class="function"><strong>socket_sendto()</strong></span> sends
<code class="parameter">len</code> bytes from <code class="parameter">buf</code>
through the socket <code class="parameter">socket</code> to the
<code class="parameter">port</code> at the address <code class="parameter">addr</code>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.socket-sendto-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">socket</code></dt>
<dd>
<p class="para">
A valid socket resource created using <span class="function"><a href="function.socket-create.html" class="function">socket_create()</a></span>.
</p>
</dd>
<dt>
<code class="parameter">buf</code></dt>
<dd>
<p class="para">
The sent data will be taken from buffer <code class="parameter">buf</code>.
</p>
</dd>
<dt>
<code class="parameter">len</code></dt>
<dd>
<p class="para">
<code class="parameter">len</code> bytes from <code class="parameter">buf</code> will be
sent.
</p>
</dd>
<dt>
<code class="parameter">flags</code></dt>
<dd>
<p class="para">
The value of <code class="parameter">flags</code> 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 <code class="parameter">flags</code></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>
<code class="parameter">addr</code></dt>
<dd>
<p class="para">
IP address of the remote host.
</p>
</dd>
<dt>
<code class="parameter">port</code></dt>
<dd>
<p class="para">
<code class="parameter">port</code> is the remote port number at which the data
will be sent.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.socket-sendto-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
<span class="function"><strong>socket_sendto()</strong></span> returns the number of bytes sent to the
remote host, or <strong><code>FALSE</code></strong> if an error occurred.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.socket-sendto-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="snmp.walk.example.basic">
<p><strong>Example #1 <span class="function"><strong>socket_sendto()</strong></span> Example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /> $sock </span><span style="color: #007700">= </span><span style="color: #0000BB">socket_create</span><span style="color: #007700">(</span><span style="color: #0000BB">AF_INET</span><span style="color: #007700">, </span><span style="color: #0000BB">SOCK_DGRAM</span><span style="color: #007700">, </span><span style="color: #0000BB">SOL_UDP</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">$msg </span><span style="color: #007700">= </span><span style="color: #DD0000">"Ping !"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$len </span><span style="color: #007700">= </span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$msg</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">socket_sendto</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">, </span><span style="color: #0000BB">$msg</span><span style="color: #007700">, </span><span style="color: #0000BB">$len</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #DD0000">'127.0.0.1'</span><span style="color: #007700">, </span><span style="color: #0000BB">1223</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">socket_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$sock</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.socket-sendto-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="function.socket-send.html" class="function" rel="rdfs-seeAlso">socket_send()</a> - Sends data to a connected socket</span></li>
</ul>
</p>
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