Combine two arrays? Well, sort of...

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  • Schroeder, AJ
    #1

    Combine two arrays? Well, sort of...

    Hello group,

    I am a relative PHP newbie and I am trying to combine two arrays together,
    but I also need to keep the keys of one array intact. What I am doing is two
    SNMP walks against a Cisco router in which I expect the script to return the
    interface number along with a small description of the interface type, like
    this:

    Array
    (
    [IF-MIB::ifDescr.1] =Serial0
    [IF-MIB::ifDescr.2] =FastEthernet0
    [IF-MIB::ifDescr.3] =Null0
    [IF-MIB::ifDescr.4] =Loopback100
    )

    I also am doing another SNMP walk to gather the user-defined description of
    each interface (which is keyed off of the interface number). Here is the
    output I get from that:

    Array
    (
    [OLD-CISCO-INTERFACES-MIB::locIfDescr .1] ="PPP T1 to Customer"
    [OLD-CISCO-INTERFACES-MIB::locIfDescr .2] ="Ethernet to LAN"
    [OLD-CISCO-INTERFACES-MIB::locIfDescr .3] =""
    [OLD-CISCO-INTERFACES-MIB::locIfDescr .4] =""
    )

    I would like to combine the arrays, but I would like to preserve the keys
    and values from the first array, but also append the values of the second
    array (don't really care about the keys, they *should* line up).

    I looked into the array_combine function, but that takes the values from the
    first array and makes them the keys for a new array.

    My ultimate goal is to output this to an HTML table, but the data is not
    lining up as I expected since when I join/combine the arrays, I lose my
    keys.

    Any help on this is appreciated!

    Thanks,

    AJ Schroeder


    Tags: if-mib::ifdescr.1
    • davie
      #2
      Re: Combine two arrays? Well, sort of...

      Try a multidimensonal array
      $ar[0][0]= "Serial0";
      $ar[0][1]= "PPP T1 to Customer";
      etc


      Schroeder, AJ wrote:
      Hello group,
      >
      I am a relative PHP newbie and I am trying to combine two arrays together,
      but I also need to keep the keys of one array intact. What I am doing is two
      SNMP walks against a Cisco router in which I expect the script to return the
      interface number along with a small description of the interface type, like
      this:
      >
      Array
      (
      [IF-MIB::ifDescr.1] =Serial0
      [IF-MIB::ifDescr.2] =FastEthernet0
      [IF-MIB::ifDescr.3] =Null0
      [IF-MIB::ifDescr.4] =Loopback100
      )
      >
      I also am doing another SNMP walk to gather the user-defined description of
      each interface (which is keyed off of the interface number). Here is the
      output I get from that:
      >
      Array
      (
      [OLD-CISCO-INTERFACES-MIB::locIfDescr .1] ="PPP T1 to Customer"
      [OLD-CISCO-INTERFACES-MIB::locIfDescr .2] ="Ethernet to LAN"
      [OLD-CISCO-INTERFACES-MIB::locIfDescr .3] =""
      [OLD-CISCO-INTERFACES-MIB::locIfDescr .4] =""
      )
      >
      I would like to combine the arrays, but I would like to preserve the keys
      and values from the first array, but also append the values of the second
      array (don't really care about the keys, they *should* line up).
      >
      I looked into the array_combine function, but that takes the values from the
      first array and makes them the keys for a new array.
      >
      My ultimate goal is to output this to an HTML table, but the data is not
      lining up as I expected since when I join/combine the arrays, I lose my
      keys.
      >
      Any help on this is appreciated!
      >
      Thanks,
      >
      AJ Schroeder

        Comment

        • Chung Leong
          #3
          Re: Combine two arrays? Well, sort of...


          Schroeder, AJ wrote:
          Hello group,
          >
          I am a relative PHP newbie and I am trying to combine two arrays together,
          but I also need to keep the keys of one array intact. What I am doing is two
          SNMP walks against a Cisco router in which I expect the script to return the
          interface number along with a small description of the interface type, like
          this:
          >
          Array
          (
          [IF-MIB::ifDescr.1] =Serial0
          [IF-MIB::ifDescr.2] =FastEthernet0
          [IF-MIB::ifDescr.3] =Null0
          [IF-MIB::ifDescr.4] =Loopback100
          )
          >
          I also am doing another SNMP walk to gather the user-defined description of
          each interface (which is keyed off of the interface number). Here is the
          output I get from that:
          >
          Array
          (
          [OLD-CISCO-INTERFACES-MIB::locIfDescr .1] ="PPP T1 to Customer"
          [OLD-CISCO-INTERFACES-MIB::locIfDescr .2] ="Ethernet to LAN"
          [OLD-CISCO-INTERFACES-MIB::locIfDescr .3] =""
          [OLD-CISCO-INTERFACES-MIB::locIfDescr .4] =""
          )
          >
          I would like to combine the arrays, but I would like to preserve the keys
          and values from the first array, but also append the values of the second
          array (don't really care about the keys, they *should* line up).
          >
          I looked into the array_combine function, but that takes the values from the
          first array and makes them the keys for a new array.
          >
          My ultimate goal is to output this to an HTML table, but the data is not
          lining up as I expected since when I join/combine the arrays, I lose my
          keys.
          >
          Any help on this is appreciated!
          >
          Thanks,
          >
          AJ Schroeder
          $arr1 = array('IF-MIB::ifDescr.1' ="Serial0",
          'IF-MIB::ifDescr.2' ="FastEthernet0 ",
          'IF-MIB::ifDescr.3' ="Null0",
          'IF-MIB::ifDescr.4' ="Loopback100") ;

          $arr2 = array('OLD-CISCO-INTERFACES-MIB::locIfDescr .1' ="PPP T1 to
          Customer",
          'OLD-CISCO-INTERFACES-MIB::locIfDescr .2' ="Ethernet to
          LAN",
          'OLD-CISCO-INTERFACES-MIB::locIfDescr .3' ="",
          'OLD-CISCO-INTERFACES-MIB::locIfDescr .4' ="");

          $arr3 = $arr1 + $arr2;

          var_dump($arr3) ;

          Easy, huh?

            Comment

            • Schroeder, AJ
              #4
              Re: Combine two arrays? Well, sort of...

              davie wrote:
              Try a multidimensonal array
              $ar[0][0]= "Serial0";
              $ar[0][1]= "PPP T1 to Customer";
              etc
              I think that is the way to go instead of a simple append. I am just not sure
              how to combine the two arrays into one multi-dimensional array.

              Thank you for the help!
              >
              >
              Schroeder, AJ wrote:
              >Hello group,
              >>
              >I am a relative PHP newbie and I am trying to combine two arrays
              >together, but I also need to keep the keys of one array intact. What
              >I am doing is two SNMP walks against a Cisco router in which I
              >expect the script to return the interface number along with a small
              >description of the interface type, like this:
              >>
              >Array
              >(
              > [IF-MIB::ifDescr.1] =Serial0
              > [IF-MIB::ifDescr.2] =FastEthernet0
              > [IF-MIB::ifDescr.3] =Null0
              > [IF-MIB::ifDescr.4] =Loopback100
              >)
              >>
              >I also am doing another SNMP walk to gather the user-defined
              >description of each interface (which is keyed off of the interface
              >number). Here is the output I get from that:
              >>
              >Array
              >(
              > [OLD-CISCO-INTERFACES-MIB::locIfDescr .1] ="PPP T1 to Customer"
              > [OLD-CISCO-INTERFACES-MIB::locIfDescr .2] ="Ethernet to LAN"
              > [OLD-CISCO-INTERFACES-MIB::locIfDescr .3] =""
              > [OLD-CISCO-INTERFACES-MIB::locIfDescr .4] =""
              >)
              >>
              >I would like to combine the arrays, but I would like to preserve the
              >keys and values from the first array, but also append the values of
              >the second array (don't really care about the keys, they *should*
              >line up).
              >>
              >I looked into the array_combine function, but that takes the values
              >from the first array and makes them the keys for a new array.
              >>
              >My ultimate goal is to output this to an HTML table, but the data is
              >not lining up as I expected since when I join/combine the arrays, I
              >lose my keys.
              >>
              >Any help on this is appreciated!
              >>
              >Thanks,
              >>
              >AJ Schroeder

                Comment

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