AccessingAddingElements.php

<?php

$favorites = ["favorite_food"=>"pizza", "favorite_place"=>"my dreams", "FAVORITE_CASE"=>"CAPS","favorite_person"=>"myself"];

echo  $favorites["favorite" . "_" . "food"]; 
// Prints: pizza

$key =  "favorite_place";
echo  $favorites[$key];  
// Prints: my dreams

echo $favorites[strtoupper("favorite_case")];
// Prints: CAPS


$assignment_one = ["Alex"=> 87, "Kenny"=> 91, "Natalia"=> 91, "Lily"=> 67, "Dan"=> 81, "Kat"=> 77, "Sara" => 65];

$assignment_two = ["Alex"=> 91, "Kenny"=> 99, "Natalia"=> 100, "Lily"=> 61, "Dan"=> 88, "Kat"=> 90];

$assignment_three = ["Alex"=> 78, "Kenny"=> 92, "Natalia"=> 94, "Lily"=> 79, "Dan"=> 73, "Sara" => 61];

$student_name = "Alex";
// Write your code below:

$assignment_two["Sara"] = 65;
$assignment_three["Kat"] = 97;

$dans_grades = [$assignment_one["Dan"], $assignment_two["Dan"], $assignment_three["Dan"]];

echo $assignment_two[$student_name];