PHP - Multidimensional array not getting stored properly

Question

I'm trying to create a simple 2D array in PHP and it doesn't seem to work as described. For instance, I tried the sample code from the w3schools.com site:

$cars = array
  (
  array("Volvo",100,96),
  array("BMW",60,59),
  array("Toyota",110,100)
  );

But when I call:

 echo "$cars[1][1]";

it outputs "Array[1]", not "60". As far as I can tell, the only thing that's getting stored is the string "Array". It doesn't matter how big or small the array is or what method I declare it in or whether it's string or integer, etc... it doesn't actually store the proper data in any sort of array format.

It won't expand a value from a multi-dimensional array in a double-quoted string like that. You need either echo "{$cars[1][1]}" (curly brackets) or just drop the quotes altogether, since they aren't needed: echo $cars[1][1]. What it's actually doing there is the equivalent of echo $cars[1] . "[1]" — user2136840
– user2136840, Commented Sep 5, 2013 at 23:59
Ah, thanks! Normal one-dimensional arrays work just fine in double-quoted strings, so it didn't occur to me it that that could be the problem. — user2752563
– user2752563, Commented Sep 6, 2013 at 0:04

user1864610 · Accepted Answer · 2013-09-06 00:02:13Z

2

Your problem is in the way you're echoing the element.

echo $cars[1][1];    //60

You're using quotes around your variable:

echo "$cars[1][1]"; // Array[1]

You can include your array in a quoted string if you use curly braces:

echo "{$cars[1][1]}";    // 60

answered Sep 6, 2013 at 0:02

user1864610

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