Example of Associate Array in PHP

<?php
$city=array("S"=>"Surat" , "A"=>"Ahmedabad" , "R"=>"Rajkot");
echo $city["S"];

echo "<br/>";

$city=array("S"=>5 , "A"=>10 , "R"=>15);

$First_Value=$city["S"];
$Second_Value=$city["A"];
$Third_Value=$city["R"];

$Addition=$First_Value + $Second_Value + $Third_Value;

echo "The Result is : ".$Addition;
?>

Output :-