Solved

Switch Statement with More then One Variable

Posted on 2007-11-19
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206 Views
Last Modified: 2013-12-13
This is an example:

Lets say I have 1000 urls

http://www.abc.com/var1=1&var2=1
http://www.abc.com/var1=1&var2=2
http://www.abc.com/var1=1&var2=3
http://www.abc.com/var1=1&var2=4
http://www.abc.com/var1=1&var2=5
http://www.abc.com/var1=2&var2=1
http://www.abc.com/var1=2&var2=2
http://www.abc.com/var1=2&var2=3
http://www.abc.com/var1=2&var2=4
http://www.abc.com/var1=2&var2=5

This is basically the pattern.  Let's say I want to specify the url that has var1=2 and var2=5.  How would you write that in the most efficient way?  Thanks.
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Question by:smoothcat11
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7 Comments
 
LVL 28

Expert Comment

by:gamebits
ID: 20316958
switch ($var1){

              case "1":

                        switch ($var2){

                                   case "1":
                                                URL
                                         break;
 
                                   case "2":
                                               URL
                                          break;
                                                }

                           case "2"

                                       switch ($var2){

                                           case "1":
                                                    URL
                                              break;

                                           case "2":
                                                    URL
                                               break;
                                                              }
                                }

repeat the process as needed
0
 
LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 500 total points
ID: 20317831
alternatively:


switch ( "$var1:var")
{
  case "2:5":
     ....
     break; 
 
}

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0
 
LVL 1

Expert Comment

by:TECHHEAD_biz
ID: 20317986
More simply, you could use an associative array of associative arrays.  I would need a refresher on the semantics of PHP, but this is how I would do it in any other language.
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Author Comment

by:smoothcat11
ID: 20317998
Can anyone give me an example of an associative array for this situation?
0
 
LVL 1

Expert Comment

by:TECHHEAD_biz
ID: 20318014
It would be something along these lines.  Again, I am probably wrong on the semantics.

$vars = {};
$vars['1'] = {'1' => 'someURL', '2' => 'someOtherURL'};
$vars['1']['2'] == 'someOtherURL';
0
 
LVL 5

Expert Comment

by:palanee83
ID: 20318856
Yes you can do this by using associative array like below
<?php
 
$varURL = array(1=>array("http://www.abc.com/var1=1&var2=1","http://www.abc.com/var1=1&var2=2","http://www.abc.com/var1=1&var2=5"),
2=>array("http://www.abc.com/var1=2&var2=1","http://www.abc.com/var1=2&var2=2","http://www.abc.com/var1=2&var2=5"));
foreach($varURL as $key=>$URLS)
{
	for($j=0;$j<count($URLS);$j++)
	{
 
		if($URLS[$j]=="http://www.abc.com/var1=2&var2=5")
		{
 
			echo "URL Found: ".$URLS[$j];
			exit;
		}
	}
}
?>

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Author Closing Comment

by:smoothcat11
ID: 31410048
I really like this solution.  don't forget that if you use just a 2 you need to make it
"2:" not "2" for the catch all
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