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Exercise:Here you see an associative array. Output "age" of Ben.
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
echo "Ben is " . @(11) . " years old.";
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
echo "Ben is " . $age['Ben'] . " years old.";
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
echo "Ben is " . $age["Ben"] . " years old.";
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