RE: [PHP] Array Search Problem

Hi, 

  At the time when I am writing this, looks like I already got the functions I needed. It turned out that I had to use some array_combine, sorting the items by keys instead of values as well as using array_keys to get the values I needed. 

Thanks for pointing me towards the right direction. 

Alice


> From: [email protected]
> Date: Thu, 11 Mar 2010 07:12:15 +0100
> Subject: Re: [PHP] Array Search Problem
> To: [email protected]
> CC: [email protected]
> 
> (almost) all the tricks are in the comments of the help page for a
> function, on php.net
> 
> but all functions accept only a given (and usually documented) set of
> parameter(type)s, so you'll probably have to prepare the var, or even
> call the function in a loop, outputting to yet another descriptively
> named array that'll be used as "wanted list" later in the code.
> 
> On Wed, Mar 10, 2010 at 6:57 PM, Alice Wei <[email protected]> wrote:
> >>
> >> did you read the help for those functions on php.net?
> >
> > Yes, I found a "recursive" way to find out the "index" like I wanted, by
> > doing something like
> >
> > $from = explode("-", $from);
> > $state_colors= explode("-", $state_colors);
> > $change = explode("-",$change);
> >
> > $count = count($new_array);
> > $i=0;
> > foreach ($new_array as $key => $value){
> >  echo $i . " " . $key . " is " . $value . " miles away<br />";
> >  $i++;
> > }
> >
> > You can see it is not very elegant, and plus, I created the $new_array so I
> > could do the ordering according to the values of the change array. I can
> > tell that since this is not a single array, which is probably why
> > array_search does not work.
> > Since I don't need the "value" of my "new_array" here, I am still finding
> > out how to "strip off" the values here without having to flatten my array.
> > Is what I am trying to do here possible? Or, is there a trick in
> > array_search that I could use to find the index without having to strip off
> > anything?
> >
> > Thanks for your help.
> >
> > Alice
> >
> >>
> >> On Wed, Mar 10, 2010 at 4:12 PM, Alice Wei <[email protected]> wrote:
> >> >
> >> > Hi,
> >> >
> >> >  I have the code as shown in the following that I am trying to create
> >> > the image of based on the file loaded into the file and additional edits.
> >> > The problem here appears to be that no matter what value I have in the
> >> > $distance_to_destination variable, it does not affect any changes on the
> >> > map. What I am trying to do here is to create a map based on the pre-passed
> >> > through colors of individual states from another program, but I have to
> >> > match up the colors based on the values of the correct states.
> >> >
> >> >  I figured that I may have problems with
> >> >
> >> >    $key= array_search($location2,$from); //Find out the position of the
> >> > index in the array
> >> >
> >> >    $colors_style = ";fill:" . $state_colors[$key];  //Use the index from
> >> > array_search to apply to the color index
> >> >
> >> > Obviously, it is not applying the colors to the states that I would like
> >> > other than doing it one by one as the order of what is in the $from
> >> > variable. Could someone please give me some hints on how I could do the
> >> > array_search here based on the "value" of the values in the
> >> > $distance_to_distance and apply the color to the states?
> >> >
> >> > <?php
> >> >
> >> > header("Content-type: image/svg+xml"); //Outputting an SVG
> >> >
> >> > $from = $_GET['from'];
> >> > $state_colors= $_GET['state_colors'];
> >> > $distance_to_destination= $_GET['distance_to_destination'];
> >> >
> >> > $from = explode("-", $from);
> >> > $state_colors= explode("-", $state_colors);
> >> > $change = explode("-",$change);
> >> >
> >> > #Load the Map
> >> > $ourFileName= "USA_Counties_with_FIPS_and_names.svg";
> >> > $fh = fopen($ourFileName, "r") or die("Can't open file");
> >> > $contents = fread($fh,filesize($ourFileName));
> >> > $lines2= file($ourFileName);
> >> >
> >> > foreach ($lines2 as $line_num => $line2) {
> >> >
> >> > $style_line_num = $line_num+3;
> >> > $line2 = trim($line2);
> >> >
> >> >      if(preg_match("/^style/",$line2)) {
> >> >
> >> >       $rest = substr($line2,0,-1);
> >> >
> >> >       for ($j=$line_num;$j<=$style_line_num;$j++){
> >> >         if(preg_match("/inkscape:label/",$lines2[$j])) {
> >> >            $location = explode("=",$lines2[$j]);
> >> >            $location2 = substr($location[1],1,-6);
> >> >
> >> >            if(in_array($location2, $from)) {
> >> >
> >> >             $key= array_search($location2,$from); //Find out the
> >> > position of the index in the array
> >> >             $colors_style = ";fill:" . $state_colors[$key];  //Use the
> >> > index from array_search to apply to the color index
> >> >             $rest2 = substr($line2,0,-1). $colors_style . "\"";
> >> >             echo $rest2 . "\n";
> >> >            }
> >> >            else echo $line2 . "\n";
> >> >
> >> >         } //end preg_match inkscape
> >> >     } //end for loop
> >> >   }  //If preg_match style
> >> >
> >> >     else echo $line2 . "\n"; //else if preg_match style
> >> >  } //end for each
> >> >
> >> > fclose($fh);
> >> > ?>
> >> >
> >> > Thanks for your help.
> >> >
> >> > Alice
> >> >
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