Re: Removing duplicates in multi-dimensional array

When you build your 2d array you could make a seperate 1d array that's indexed by the fax number and if it's set, not set it in your array... -js René Fournier wrote: > I'm finding this one hard to approach... > > I have a two-dimensional array, containing customer contact information. > Looks like: > > $myarray[0][0] = "Microsoft"; > $myarray[0][1] = "Bill"; > $myarray[0][2] = "123-1234"; > > $myarray[1][0] = "Apple"; > $myarray[1][1] = "Steve"; > $myarray[1][2] = "456-1234"; <<<<< > > $myarray[2][0] = "Oracle"; > $myarray[2][1] = "Larry"; > $myarray[2][2] = "987-4321"; > > $myarray[3][0] = "Pixar"; > $myarray[3][1] = "Steve"; > $myarray[3][2] = "456-1234"; <<<<< > > What I want to do is remove records that have the same fax number, so > that each fax number occurs only once. For example, $myarray[1][2] and > $myarray[3][2] are the same--I would like to remove/unset one of them. > > I know that array_unique() will do this for one-dimensional arrays, but > I'm kinda stuck here, since the repeating element is in the second > dimension. Any ideas how I might do this? > > Thanks. > > ....Rene > > --- > René Fournier, > rene@smartslitters.com > > Toll-free +1.888.886.2754 > Tel +1.403.291.3601 > Fax +1.403.250.5228 > www.smartslitters.com > > SmartSlitters International > #33, 1339 - 40th Ave NE > Calgary AB T2E 8N6 > Canada > >