Writing PHP functions using the php snmp functions

<?php
// PHP SNMP funtions 

function systemSection($ipaddr) {
 global $community;

  // Get the most useful info 
  $sysdescr = @snmpget("$ipaddr","$community","system.sysDescr.0");
  $sysobjectid = @snmpget("$ipaddr","$community","system.sysObjectID.0");
  $sysuptime = @snmpget("$ipaddr","$community","system.sysUptime.0");
  $syscontact = @snmpget("$ipaddr","$community","system.sysContact.0");
  $sysname = @snmpget("$ipaddr","$community","system.sysName.0");
  $syslocation = @snmpget("$ipaddr","$community","system.sysLocation.0");
 
     print "<TABLE BORDER=0 CELLPADDING=2 CELLSPACING=0>";
     print "<TR><TD>sysDescr</TD><TD
COLSPAN=2>" . $sysdescr . "</TD></TR>";
     print "<TR><TD>sysObjectID</TD><TD
COLSPAN=2>" . $sysobjectid . "</TD></TR>"; 
     print "<TR><TD>sysUptime</TD><TD
COLSPAN=2>" . $sysuptime . "</TD></TR>"; 
     print "<TR><TD>sysContact</TD><TD
COLSPAN=2>" . $syscontact . "</TD></TR>"; 
     print "<TR><TD>sysName</TD><TD
COLSPAN=2>" . $sysname . "</TD></TR>"; 
     print "<TR><TD>sysLocation</TD><TD
COLSPAN=2>" . $syslocation .  "</TD></TR>"; 
     print "</TABLE>";
} // End of systemSection


function interfaceIfTable($ipaddr) {
 global $community;

   /* Get the interface index. create an array to get data */  
   /* interfaces.ifTable.ifEntry.ifIndex translated using snmptranslate */
   
  $interfaces = snmpwalk("$ipaddr","$community",".");

    print "<H3>Interface info for " .  $sysname . "</H3>";
    print "<P>";
    print "<TABLE BORDER=0 CELLPADDING=2 CELLSPACING=0>";
    print "<TR><TH>Interface</TH><TH>Interface
TYPE</TH>

<TH>InOctets</TH><TH>OutOctets</TH></TR>";

     for($i=0; $i < count($interfaces); $i++) {
       $inface =
snmpget("$ipaddr","$community","..$interfaces[$i]");
       $infacetype =
snmpget("$ipaddr","$community","..$interfaces[$i]");
       $inoctets =
snmpget("$ipaddr","$community",".0.$interfaces[$i]");
       $outoctets =
snmpget("$ipaddr","$community",".6.$interfaces[$i]");
       /* Clean up Interface strip Hex: */
       
       $inface = ereg_replace("Hex:","",$inface);
          print "<tr><td>" . $inface
. "</td><td>" . $infacetype . "</td>";
          print
"<td>" .$inoctets. "</td><td>" . $outoctets. "</td></tr>\n";
 
       }
       
    print "</TABLE>";  
}  // End of interfaceIfTable


function icmpSection($ipaddr) {
  global $community;

  $icmpInMsgs = snmpget("$ipaddr","$community","icmp.icmpInMsgs.0");
  $icmpOutMsgs = snmpget("$ipaddr","$community","icmp.icmpOutMsgs.0");
  $icmpInErrors = snmpget("$ipaddr","$community","icmp.icmpInErrors.0");
  $icmpOutErrors = snmpget("$ipaddr","$community","icmp.icmpOutErrors.0");
  $icmpInEchos = snmpget("$ipaddr","$community","icmp.icmpInEchos.0");
  $icmpOutEchos = snmpget("$ipaddr","$community","icmp.icmpOutEchos.0");

    print "<H3>ICMP info for " .  $sysname . "</H3>";
    print "<P>";
    print "<TABLE BORDER=0 CELLPADDING=2 CELLSPACING=0>";
    print
"<TR><TH>icmpInMsgs</TH><TH>icmpOutMsgs</TH></TR>";
    print "<tr><td>" . $icmpInMsgs
. "</td><td>" . $icmpOutMsgs . "</td></tr>\n";
    print
"<TR>icmpInErrors</TR><TR>icmpOutErrors</TR></TR>";
    print
"<tr><td>" .$icmpInErrors. "</td><td>" . $outoctets. "</td></tr>\n";
    print
"<TR>icmpInEchos</TR><TR>icmpOutEchos</TR></TR>";
    print
"<tr><td>" .$icmpInEchos. "</td><td>" . $icmpOutEchos. "</td></tr>\n";
    print "</TABLE>";

} // End imcpSection



?>

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