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<td valign=middle nowrap><font color=e06060 size=+2><b>网络函数库</b></font></td>
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<div align=right>本函数库共有 13 个函数</div><p><table border=0 width=100%><tr><td align=right valign=top><a href="function.php-fsockopen.htm" alt="function.php?fsockopen">fsockopen</a>:</td><td valign=top>打开网络的 Socket 链接。</td></tr>
<tr><td align=right valign=top><a href="function.php-pfsockopen.htm" alt="function.php?pfsockopen">pfsockopen</a>:</td><td valign=top>打开网络的 Socket 持续链接。</td></tr>
<tr><td align=right valign=top><a href="function.php-set_socket_blocking.htm" alt="function.php?set_socket_blocking">set_socket_blocking</a>:</td><td valign=top>切换阻塞与无阻塞模式。</td></tr>
<tr><td align=right valign=top><a href="function.php-gethostbyaddr.htm" alt="function.php?gethostbyaddr">gethostbyaddr</a>:</td><td valign=top>返回机器名称。</td></tr>
<tr><td align=right valign=top><a href="function.php-gethostbyname.htm" alt="function.php?gethostbyname">gethostbyname</a>:</td><td valign=top>返回 IP 网址。</td></tr>
<tr><td align=right valign=top><a href="function.php-gethostbynamel.htm" alt="function.php?gethostbynamel">gethostbynamel</a>:</td><td valign=top>返回机器名称的所有 IP。</td></tr>
<tr><td align=right valign=top><a href="function.php-checkdnsrr.htm" alt="function.php?checkdnsrr">checkdnsrr</a>:</td><td valign=top>检查指定网址的 DNS 记录。</td></tr>
<tr><td align=right valign=top><a href="function.php-getmxrr.htm" alt="function.php?getmxrr">getmxrr</a>:</td><td valign=top>取得指定网址 DNS 记录之 MX 字段。</td></tr>
<tr><td align=right valign=top><a href="function.php-openlog.htm" alt="function.php?openlog">openlog</a>:</td><td valign=top>打开系统纪录。</td></tr>
<tr><td align=right valign=top><a href="function.php-syslog.htm" alt="function.php?syslog">syslog</a>:</td><td valign=top>纪录至系统纪录。</td></tr>
<tr><td align=right valign=top><a href="function.php-closelog.htm" alt="function.php?closelog">closelog</a>:</td><td valign=top>关闭系统纪录。</td></tr>
<tr><td align=right valign=top><a href="function.php-debugger_on.htm" alt="function.php?debugger_on">debugger_on</a>:</td><td valign=top>使用内建的 PHP 调试器。</td></tr>
<tr><td align=right valign=top><a href="function.php-debugger_off.htm" alt="function.php?debugger_off">debugger_off</a>:</td><td valign=top>关闭内建的 PHP 调试器。</td></tr>
</table><p><hr size=1><br>如果你对此手册有任何问题,请到下面网址提问: <a href="www.web745.com">WEB开发知识库</a> (<a href="http://www.web745.com">www.web745.com</a>)<p>
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