[PHP] String: Arrays of arrays.

[Song Ken Vern-E11804]

Hi,

I have an array of array of strings :-

$g1 = array("453", "592");
$g2 = array("e14", "e15", "e13");
$groups = array($g1, $g2);

I traverse and print out the value using :- 

      for ($i = 0; $i < sizeof($groups); $i++) {
         for ($j = 0; $j < sizeof($groups[$i]); $j++) {
            print "<!--=$groups[$i][$j]=-->\n"; /* line?? */
         }
      }

But the end result is :- 

<!--=Array[0]=-->
<!--=Array[1]=-->
<!--=Array[0]=-->

My expected result is :- 

<!--=453=-->
<!--=592=-->
<!--=e14=-->

But when I change the line from:- 

print "<!--=$groups[$i][$j]=-->\n"; /* line?? */

to include :- 

$cid = $groups[$i][$j];
print "<!--=$cid=-->\n"; /* line?? */

I seem to get the results I want. 

Why is this? Is there a syntax error? 

Thanx

--
Ken

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