Ebay API integration in PHP

File Structure 

• • ebay-API-PHP
  • API.css
  • demo.php
  • GettingStarted_PHP_NV_XML.html
  • GettingStarted_PHP_NV_XML.jpg
  • index.php
  • ss-print.css
  • ss-styles.css
  • task.css

Index.php Code to understand the logic

/* All Variables for config values*/
    $endpoint = 'http://svcs.ebay.com/services/search/FindingService/v1';
    $version = '1.0.0';
    $appid = 'raghusin-xxxxxxx-PRD-xxxxxxxxx-6ad6655b'; // Replace with your own AppID
    $globalid = 'EBAY-US'; // Global ID of the eBay site you want to search (e.g., EBAY-DE)
    $query = "ebay"; // You may want to supply your own query
    $pgn='Pagination.PageNumber';
    $safequery = urlencode($query); // Make the query URL-friendly
    $i = '0'; // Initialize the item filter index to 0

/* Name of the data you want to search in array() format*/
$filterarray =array(
    array(
        'name' => 'MaxPrice',
        'value' => '25',
        'paramName' => 'Currency',
        'paramValue' => 'USD'
    ),
    array(
        'name' => 'FreeShippingOnly',
        'value' => 'true',
        'paramName' => '',
        'paramValue' => ''
    ),
    array(
        'name' => 'ListingType',
        'value' => array('AuctionWithBIN','FixedPrice','StoreInventory'),
        'paramName' => '',
        'paramValue' => ''
    ),
);

// Generates an indexed URL snippet from the array of item filters
function buildURLArray ($filterarray) {
    global $urlfilter;
    global $i;
    // Iterate through each filter in the array
    foreach($filterarray as $itemfilter) {
        foreach ($itemfilter as $key =>$value) {
            if(is_array($value))
                foreach($value as $j => $content)
                 $urlfilter .= "&itemFilter($i).$key($j)=$content";
            else
                if($value != "")
                 $urlfilter .= "&itemFilter($i).$key=$value";
        }
        $i++;
    }
    return "$urlfilter";
}

$start = time();
buildURLArray($filterarray); // Build the indexed item filter URL snippet
if (isset($_GET["xx"]))
    $xx=$_GET["xx"];
else
    $xx= '2';

/* Construct the findItemsByKeywords HTTP GET call */
    echo "";
    $apicall = "$endpoint?";
    $apicall .= "OPERATION-NAME=findItemsByKeywords";
    $apicall .= "&SERVICE-VERSION=$version";
    $apicall .= "&SECURITY-APPNAME=$appid";
    $apicall .= "&GLOBAL-ID=$globalid";
    $apicall .= "&keywords=$safequery";
    $apicall .= "&paginationInput.entriesPerPage=5";
    $apicall .= "&paginationInput.pageNumber=".$xx;
    $apicall .= "$urlfilter";
    $resp = simplexml_load_file($apicall); // Load the call and capture the document returned by eBay API

// Check to see if the request was successful, else print an error
if ($resp->ack == "Success") {
    $results = '';
    foreach($resp->searchResult->item as $item) {
    $end = time();
    $pic = $item->galleryURL;
    $link = $item->viewItemURL;
    $title = $item->title;
    $subtitle = $item->subtitle;
    $paymentMethod = $item->paymentMethod;
    if ($paymentMethod == 'PayPal')
        $paymentMethod = "<img src='i/paypal.png'>";
        foreach ($resp->searchResult->item->sellingStatus as $value)
            $price = $item->sellingStatus->currentPrice;
        foreach ($resp->paginationOutput as $value) {
            $Pageno = $resp->paginationOutput->pageNumber;
            $totalEntries = $resp->paginationOutput->totalEntries;
            $totalPage = $resp->paginationOutput->totalPages;
        }
    $results .= "<div class='col-md-12' style='border-left:4px solid black; border-bottom: 1px solid #bcc; margin-top:2%;'><div class='col-md-3'><center><img src=\"$pic\" style='max-width: 100%;margin:1%;'></center></div><div class='col-md-9' ><h2> <a href='$link\' target='blank'>$title</a></h2><h5> $subtitle </h5> <h3>Price $$price </h3><p align='right'>$paymentMethod</p></div></div>";
}
} else {
    $results = "<h3>Oops! The request was not successful. Make sure you are using a valid ";
    $results .= "AppID for the Production environment.</h3>";
}

Click here to Download the sourcse code