Vufind Alma.php sample first attempt getHolding code

Alma.php

 <?php
$start_time = MICROTIME(TRUE);
//error_reporting(0);

function curlMultiRequest($urls, $options = array()) {
    $ch = array();
    $results = array();
    $mh = curl_multi_init();
    foreach($urls as $key => $val) {
        $ch[$key] = curl_init();
		curl_setopt($ch[$key],CURLOPT_RETURNTRANSFER,1);
		// follow line enables https
		curl_setopt($ch[$key], CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch[$key], CURLOPT_URL, $val);
        curl_multi_add_handle($mh, $ch[$key]);
    }
    $running = null;
    do {
        curl_multi_exec($mh, $running);
    }
    while ($running > 0);
    // Get content and remove handles.
    foreach ($ch as $key => $val) {
        $results[$key] = curl_multi_getcontent($val);
        curl_multi_remove_handle($mh, $val);
    }
    curl_multi_close($mh);
    return $results;
}
 
 //////////////////////////
 function getHolding($id) {
	$mmsid = $id;
	$apikey = urlencode('xxxxxxxxxxxxxxxxxxxxxxxxxxxx');
	$baseurl = 'https://api-na.hosted.exlibrisgroup.com/almaws/v1/bibs/';
	$count=0;
	
	$holdinglist = array(); // for holding the holdings
	$items = array(); // what we will return
	
	$urllist = array();
	// prepare loans url
	$paramurl = '?apikey=' . $apikey;
	$urllist['loans'] = $baseurl . urlencode($mmsid) . '/loans' . $paramurl;
	
	// prepare holdings url
	$suffixurl = '/holdings?apikey=' . $apikey;
	$urllist['holdings'] = $baseurl . urlencode($mmsid) . $suffixurl; 	

	// get loans and holdings from api
	// returns an array, keys are loans/holdings. 
	// values are the xml responses
	$results2 = curlMultiRequest($urllist);
	
	$loaninfo = array();
	// loans xml
	$record = new SimpleXMLElement($results2["loans"]);
	
	// process loans xml creating array with barcode as key
	$loans = array();
	// if no loans there will be no item_loan
	if ($record) {
		foreach ($record->item_loan as $itemloan) {
			$duedate = $itemloan->due_date;
			$barcode = $itemloan->item_barcode;
			$loans["$barcode"] = $duedate;
		}
	} 
	
	// now get each holdings id number
	//$hids = array();
	$record = new SimpleXMLElement($results2["holdings"]);
	
	$holdinglist = array();
	
	$datafields = $record->xpath('/holdings/holding/holding_id');
	foreach ($datafields as $hid) {
		$holdinglist[] = $hid;
	}
	
	// for each holdings, prepare urls 
	// GET /almaws/v1/bibs/{mms_id}/holdings/{holding_id}/items
	$urllist = array();
	$paramurl = '/items?apikey=' . $apikey . '&limit=90';
	foreach ($holdinglist as $hid) {
		$holdingsurl = '/holdings/' . urlencode($hid);
		$urllist["$hid"] = $baseurl . urlencode($mmsid) . $holdingsurl . $paramurl;
	}
	
	// call each of the holdings urls at the same time
	$results3 = curlMultiRequest($urllist);
				
	// for each holding id, get its items
	$items = array();
	foreach ($holdinglist as $hid) {
		//create xml object based on this holdings xml
		$record = new SimpleXMLElement($results3["$hid"]);
	
		$datafields = $record->xpath('/items/item');
		
		// for each item within this holding
		foreach ($datafields as $item) {
			$count++;
			$duedate = "";
			$barcode = (string) $item->item_data->barcode;
			$items["$barcode"] = array();
			$items["$barcode"]["id"] = $barcode;
			$items["$barcode"]["barcode"] = $barcode;
			$items["$barcode"]["availability"] = (string) $item->item_data->base_status;
			if ($items["$barcode"]["availability"]) {
				$items["$barcode"]["status"] = "Available";
			} else {
				$items["$barcode"]["status"] = "Not Available";
			}
		
			
			$items["$barcode"]["location"] = $item->item_data->location['desc'] . " - " . (string) $item->item_data->library['desc'];
			$items["$barcode"]["callnumber"] = (string) $item->holding_data->call_number;
			$items["$barcode"]["reserve"] = "0";
			if (isset($loans["$barcode"])) {
				$duedate = (string) $loans["$barcode"];
			}
			if ($duedate) {
				// ISO 8601
				$items["$barcode"]["duedate"] = date('l jS F Y', strtotime($duedate));	
			}
			//$items["$barcode"]["requests_placed"] = $item->item_data->requested;
		}
	}
	//print_r($items);
	return $items;
}
 
 
 //call the function
  $items = getHolding("9963106302461");
 
 
 // print out a table 
  echo "<table border=1><tr><td>id</td><td>availability</td><td>status</td><td>location</td><td>reserve</td><td>callnumber</td><td>duedate</td><td>barcode</td></tr>";
 foreach ($items as $oneitem) {
		$id = $oneitem['id'];
		$status = $oneitem['status'];
		$available = $oneitem['availability'];
		$location = $oneitem['location'];
		$callnumber = $oneitem['callnumber'];
		$requested = $oneitem['requested'];
		$duedate = $oneitem['duedate'];
		//$duedate = "123";
		echo "<tr><td>$id</td><td>$available</td><td>$status</td><td>$location</td><td>$requested</td><td>$callnumber</td><td>$duedate</td><td>$id</td></tr>\n";	
}
echo "</table>";
echo "<p>return Array: </p><pre>";
print_r($items);
$stop_time = MICROTIME(TRUE);
// get the difference in seconds
$time = $stop_time - $start_time;
PRINT "<p>Elapsed time was $time seconds.";
?>