amazon-asin.php

<?php
include('amazon_api.php');
/* Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. */
/* Licensed under the Apache License, Version 2.0. */
$ASIN = 'B084DWH53T'; //enter asin of product
$serviceName = "ProductAdvertisingAPI";
$region = "eu-west-1";
$accessKey = "Enter your access key"; // Enter your access key
$secretKey = "Enter your secret key"; //Enter your secret key
$AssociateTag = "Enter your associate tag"; //Enter your associate tag
$payload = "{"
    . " \"ItemIds\": ["
    . "  \"$ASIN\""
    . " ],"
    . " \"Resources\": ["
    . "  \"Images.Primary.Large\","
    . "  \"ItemInfo.Features\","
    . "  \"ItemInfo.Title\","
    . "  \"Offers.Listings.Price\","
    ."  \"Offers.Listings.SavingBasis\""
    . " ],"
    . " \"PartnerTag\": \"$AssociateTag\","
    . " \"PartnerType\": \"Associates\","
    . " \"Marketplace\": \"www.amazon.in\""
    . "}";
$host = "webservices.amazon.in";
$uriPath = "/paapi5/getitems";
$awsv4 = new AwsV4($accessKey, $secretKey);
$awsv4->setRegionName($region);
$awsv4->setServiceName($serviceName);
$awsv4->setPath($uriPath);
$awsv4->setPayload($payload);
$awsv4->setRequestMethod("POST");
$awsv4->addHeader('content-encoding', 'amz-1.0');
$awsv4->addHeader('content-type', 'application/json; charset=utf-8');
$awsv4->addHeader('host', $host);
$awsv4->addHeader('x-amz-target', 'com.amazon.paapi5.v1.ProductAdvertisingAPIv1.GetItems');
$headers = $awsv4->getHeaders();
$headerString = "";
foreach ($headers as $key => $value) {
    $headerString .= $key . ': ' . $value . "\r\n";
}
$params = array(
    'http' => array(
        'header' => $headerString,
        'method' => 'POST',
        'content' => $payload,
    ),
);
$stream = stream_context_create($params);

$fp = @fopen('https://' . $host . $uriPath, 'rb', false, $stream);

if (!$fp) {
    throw new Exception("Exception Occured");
}
$response = @stream_get_contents($fp);
if ($response === false) {
    throw new Exception("Exception Occured");
}
$details = json_decode($response, true);
$product = $details['ItemsResult']['Items']['0'];
if (isset($details['ItemsResult']['Items']['0'])) {
    $asin = $product['ASIN'];
    $productUrl = $product['DetailPageURL'];
}
if (isset($product['ItemInfo'])) {
    $title = $product['ItemInfo']['Title']['DisplayValue'];
    $features = $product['ItemInfo']['Features']['DisplayValues'];
    foreach ($features as $feature) {
        $feature .= $feature;
    }
}
if (isset($product['Images'])) {
    $image = $product['Images']['Primary']['Large']['URL'];
}
if (isset($product['Offers'])) {
    $Sellprice = $product['Offers']['Listings']['0']['Price']['Amount'];
    if(!$Sellprice){
        echo "Sell Price is not present.";
    }
}else{
    $Sellprice = 0;
}
if(isset($product['Offers']['Listings']['0']['SavingBasis'])){
    $Maxprice = $MaxPrice =$product['Offers']['Listings']['0']['SavingBasis']['Amount'];
}else{
    $MaxPrice = 0;
}
echo $response;
?>