<HTML ><HEAD ><TITLE >Network functions</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.44"><LINK REL="HOME" TITLE="PHP Manual" HREF="manual.html"><LINK REL="UP" TITLE="Function Reference" HREF="funcref.html"><LINK REL="PREVIOUS" TITLE="mysql_tablename" HREF="function.mysql-tablename.html"><LINK REL="NEXT" TITLE="checkdnsrr" HREF="function.checkdnsrr.html"></HEAD ><BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.mysql-tablename.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.checkdnsrr.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="reference" ><A NAME="ref.network" ></A ><DIV CLASS="TITLEPAGE" ><H1 CLASS="title" >XXXIV. Network functions</H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT ><A HREF="function.checkdnsrr.html" >checkdnsrr</A > — Check DNS records corresponding to a given Internet host name or IP address.</DT ><DT ><A HREF="function.closelog.html" >closelog</A > — close connection to system logger</DT ><DT ><A HREF="function.debugger-off.html" >debugger_off</A > — disable internal PHP debugger</DT ><DT ><A HREF="function.debugger-on.html" >debugger_on</A > — enable internal PHP debugger</DT ><DT ><A HREF="function.fsockopen.html" >fsockopen</A > — Open Internet or Unix domain socket connection.</DT ><DT ><A HREF="function.gethostbyaddr.html" >gethostbyaddr</A > — Get the Internet host name corresponding to a given IP address.</DT ><DT ><A HREF="function.gethostbyname.html" >gethostbyname</A > — Get the IP address corresponding to a given Internet host name.</DT ><DT ><A HREF="function.gethostbynamel.html" >gethostbynamel</A > — Get a list of IP addresses corresponding to a given Internet host name.</DT ><DT ><A HREF="function.getmxrr.html" >getmxrr</A > — Get MX records corresponding to a given Internet host name.</DT ><DT ><A HREF="function.getprotobyname.html" >getprotobyname</A > — get protocol number associated with protocol name</DT ><DT ><A HREF="function.getprotobynumber.html" >getprotobynumber</A > — get protocol name associated with protocol number</DT ><DT ><A HREF="function.getservbyname.html" >getservbyname</A > — get port number associated with an Internet service and protocol</DT ><DT ><A HREF="function.getservbyport.html" >getservbyport</A > — get Internet service which corresponds to port and protocol</DT ><DT ><A HREF="function.openlog.html" >openlog</A > — open connection to system logger</DT ><DT ><A HREF="function.pfsockopen.html" >pfsockopen</A > — Open persistent Internet or Unix domain socket connection.</DT ><DT ><A HREF="function.set-socket-blocking.html" >set_socket_blocking</A > — Set blocking/non-blocking mode on a socket</DT ><DT ><A HREF="function.syslog.html" >syslog</A > — generate a system log message</DT ></DL ></DIV ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.mysql-tablename.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="manual.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.checkdnsrr.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mysql_tablename</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="funcref.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >checkdnsrr</TD ></TR ></TABLE ></DIV ></BODY ></HTML >