I have an array within an array but cannot figure out how to access the interior elements

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Here is an excerpt of my code. I am going through gathered data and inputting fId and distance into friendObj. Then after that data is put in I want to put the entire friendObj into another array called friendArry. I cannot seem to figure out how to access the individual elements of the interior array from the outer array. Is there any elegant way to do this?

Also on a side note, my intention is to eventually get all of the friendObj and sort them based on distance. How could I do that?

$friendObj = array('id' => $fId, 'distance' => $distanceFromYou);

        $friendsArry;
        array_push($friendsArry, $friendObj);
        echo "Test2: ". $friendsArray[0][id]."<br />";
        echo "<br />";

asked 39 secs ago

user3529914

10