[root@gordon root]# cat /proc/pci
PCI devices found:
  Bus  0, device   0, function  0:
    Host bridge: Intel Unknown device (rev 2).
      Vendor id=8086. Device id=1130.
      Fast devsel.  Fast back-to-back capable.  Master Capable.  No bursts.
  Bus  0, device   2, function  0:
    VGA compatible controller: Intel Unknown device (rev 2).
      Vendor id=8086. Device id=1132.
      Medium devsel.  Fast back-to-back capable.  IRQ 11.  Master Capable.  No bursts.
      Prefetchable 32 bit memory at 0xfc000000 [0xfc000008].
      Non-prefetchable 32 bit memory at 0xfb000000 [0xfb000000].
  Bus  0, device  30, function  0:
    PCI bridge: Intel Unknown device (rev 1).
      Vendor id=8086. Device id=244e.
      Fast devsel.  Fast back-to-back capable.  Master Capable.  No bursts.  Min Gnt=6.
  Bus  0, device  31, function  0:
    ISA bridge: Intel Unknown device (rev 1).
      Vendor id=8086. Device id=2440.
      Medium devsel.  Fast back-to-back capable.  Master Capable.  No bursts.
  Bus  0, device  31, function  1:
    IDE interface: Intel Unknown device (rev 1).
      Vendor id=8086. Device id=244b.
      Medium devsel.  Fast back-to-back capable.  Master Capable.  No bursts.
      I/O at 0xb800 [0xb801].
  Bus  0, device  31, function  2:
    USB Controller: Intel Unknown device (rev 1).
      Vendor id=8086. Device id=2442.
      Medium devsel.  Fast back-to-back capable.  IRQ 12.  Master Capable.  No bursts.
      I/O at 0xb400 [0xb401].
  Bus  0, device  31, function  3:
    SM Bus: Intel Unknown device (rev 1).
      Vendor id=8086. Device id=2443.
      Medium devsel.  Fast back-to-back capable.  IRQ 10.
      I/O at 0xe800 [0xe801].
  Bus  0, device  31, function  4:
    USB Controller: Intel Unknown device (rev 1).
      Vendor id=8086. Device id=2444.
      Medium devsel.  Fast back-to-back capable.  IRQ 9.  Master Capable.  No bursts.
      I/O at 0xb000 [0xb001].
  Bus  1, device   9, function  0:
    Ethernet controller: Realtek 8139 (rev 16).
      Medium devsel.  Fast back-to-back capable.  IRQ 5.  Master Capable.  Latency=64.  Min Gnt=32.Max Lat=64.
      I/O at 0xd800 [0xd801].
      Non-prefetchable 32 bit memory at 0xfa800000 [0xfa800000].
  Bus  1, device  10, function  0:
    Ethernet controller: Realtek 8139 (rev 16).
      Medium devsel.  Fast back-to-back capable.  IRQ 9.  Master Capable.  Latency=64.  Min Gnt=32.Max Lat=64.
      I/O at 0xd400 [0xd401].
      Non-prefetchable 32 bit memory at 0xfa000000 [0xfa000000].
 

Dans php.ini :  
short_open_tag  =       On      ;
allow_url_fopen = On
 
 

    // get our canonical hostname
    function chostname () {
        if ($fp = fopen('/proc/sys/kernel/hostname','r')) {
            $result = trim(fgets($fp, 4096));
            fclose($fp);
            $result = gethostbyaddr(gethostbyname($result));
        } else {
            $result = 'N.A.';
        }
        return $result;
    }