Cacher is the code snippet organizer for pro developers

<?php
//This script will output json data
header("Content-Type:application/json");
include('BookInformation.php');

//Process client request via URL
if(!empty($_GET['name'])){
    $name = $_GET['name'];
    $price = getPrice($name);

    if(empty($price)){
        //print book not found
        deliverResponse(200, "book not found", NULL);
    }else{
        //print book price
        deliverResponse(200, "book found", $price);
    }

}
else{
    //print invalid request
    deliverResponse(400, "Invalid Request", NULL);
}
//Create deliver response
function deliverResponse($status, $statusMessage, $data){
    //header() is used to send a raw HTTP header
    header("HTTP/1.1 $status $statusMessage");
    //storing response in to array
    $response['status'] = $status;
    $response['status_message'] = $statusMessage;
    $response['data'] = $data;
    //converting response in to json
    $jsonResponse = json_encode($response);
    //printing response json data
    echo ($jsonResponse);
}

<?php
//This function will return book price, given book name
function getPrice($find){
    //variable storing book prices
    $books = [
        "java"=>288,
        "c"=>786,
        "php"=>237
    ];

    foreach($books as $book => $price){
        if($book === $find){
            return $price;
            break;
        }
    }
}

#Turn on rewrite engine
Options +FollowSymlinks
RewriteEngine on

#Request Routing
RewriteRule  ^([a-zA-Z_-]*)$  index.php?name=$1  [nc,qsa]