php-doc-en/reference/sockets/functions/socket-set-block.xml

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.6 $ -->
<refentry id="function.socket-set-block">
 <refnamediv>
  <refname>socket_set_block</refname>
  <refpurpose>Sets blocking mode on a socket resource</refpurpose>
 </refnamediv>
 <refsect1>
  <title>Description</title>
  <methodsynopsis>
   <type>bool</type><methodname>socket_set_block</methodname>
   <methodparam><type>resource</type><parameter>socket</parameter></methodparam>
  </methodsynopsis>
  <para>
   The <function>socket_set_block</function> function removes the O_NONBLOCK flag
   on the socket specified by the <parameter>socket</parameter> parameter.
  </para>
  <para>
   <example>
    <title><function>socket_set_block</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php

$port = 9090;
if (($socket = socket_create_listen($port)) === false) {
    echo "socket_create_listen() failed. Reason: ".socket_strerror(socket_last_error());
}

if (socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1) === false) {
    echo "socket_set_option() failed. Reason: ".socket_strerror(socket_last_error($socket));
}

if (socket_set_nonblock($socket) === false) { // $socket is now nonblocking
    echo "socket_set_nonblock() failed. Reason: ".socket_strerror(socket_last_error($socket));
}

if (socket_set_block($socket) === false) {     // $socket is now blocking
    echo "socket_set_block() failed. Reason: ". socket_strerror(socket_last_error($socket));
}

?>
]]>
    </programlisting>
   </example>
  </para>
  <para>
   &return.success;
  </para>
  <para>
   See also <function>socket_set_nonblock</function> and
   <function>socket_set_option</function>
  </para>
 </refsect1>
</refentry>

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