function parse_response($api, $params)
{
global $records;
$page = $params['from'] / $params['size'] + 1;
echo "Page {$page}\n";
//compare the individual request parameters into k=>v pairs to the URL
$qparams = array();
foreach ($params as $k => $v) {
$qparams[] = "{$k}=" . urlencode($v);
}
$service = $api . implode('&', $qparams);
//request JSON from API
$json = file_get_contents($service);
$data = json_decode($json);
//iterate through results
foreach ($data->results as $result) {
$record = array();
$record['id'] = $result->priref;
$record['uri'] = "http://data.fitzmuseum.cam.ac.uk/id/object/{$result->priref}";
$record['objectnumber'] = $result->ObjectNumber;
$record['title'] = "Fitzwilliam Museum - Object {$result->ObjectNumber}";
$imageCount = 0;
foreach ($result->images->thumbnailURI as $url) {
switch ($imageCount) {
case 0:
$record['obv_image'] = $url;
break;
case 1:
$record['rev_image'] = $url;
}
$imageCount++;
}
//begin screen scraping
$url = "http://webapps.fitzmuseum.cam.ac.uk/explorer/index.php?oid={$result->priref}";
$fields = parse_html($url);
if (isset($fields['reference'])) {
$record['reference'] = $fields['reference'];
}
if (isset($fields['coinType'])) {
$record['cointype'] = $fields['coinType'];
}
if (isset($fields['weight'])) {
$record['weight'] = $fields['weight'];
}
if (isset($fields['axis'])) {
$record['axis'] = $fields['axis'];
}
$records[] = $record;
}
//var_dump($records);
//if there are more pages to parse, curse function
$numFound = $data->total;
if ($params['from'] + $params['size'] <= $numFound) {
$params['from'] = $params['from'] + $params['size'];
parse_response($api, $params);
}
}
/**
* returns complete cURL response of POST request
*
* @since ADD MVC 0.5
*/
public function post_response($url, $post)
{
$this->init($url);
curl_setopt($this->curl, CURLOPT_HEADER, 1);
curl_setopt($this->curl, CURLOPT_REFERER, $url);
curl_setopt($this->curl, CURLOPT_POST, true);
curl_setopt($this->curl, CURLOPT_POSTFIELDS, $post);
$response = $this->exec();
return parse_response($response);
}
<html>
<body bgcolor="white">
<form action="<?php
echo $_SERVER['PHP_SELF'];
?>
" method="GET">
Login: <input type="text" name="login"><br />
Password: <input type="password" name="password"><br />
<input type="submit" value="Login">
</form>
<?php
define('__SERVER__', "localhost");
define('__PORT__', 80);
if (count($_GET)) {
include "/home/rei/www/pres2/presentations/slides/web_services/client.inc.php";
$ret = make_request();
if (parse_response($ret) === TRUE) {
echo "Login Successful";
} else {
echo "Authentication Failure";
}
}
?>
</body>
</html>
function urlload_($connomains, $p = array())
{
if (!is_array($connomains)) {
$close = false;
if (!isset($p["_"]) || $p["_"] == null) {
$close = true;
$p["_"] = curl_init();
}
url_setopts($p["_"], $p);
if (isset($p["limit"]) && $p["limit"] > 0) {
//use limit
curl_setopt($p["_"], CURLOPT_RETURNTRANSFER, 0);
curl_setopt($p["_"], CURLOPT_BUFFERSIZE, $p["limit"]);
$cwriter = isset($p["writer"]) && $p["writer"] !== "" ? $p["writer"] : "urlwriter";
curl_setopt($p["_"], CURLOPT_WRITEFUNCTION, array($w = new $cwriter($p["limit"]), "__invoke"));
}
curl_setopt($p["_"], CURLOPT_URL, $connomains);
$res = curl_exec($p["_"]);
$info = curl_getinfo($p["_"]);
if (isset($p["limit"]) && $p["limit"] > 0 && $info["http_code"] != 404) {
$res = $w->content;
} else {
if (curl_errno($p["_"]) || $info["http_code"] == 404) {
$res = "";
trigger_error("CURL Error: " . curl_errno($p["_"]) . " - " . curl_error($p["_"]), E_USER_WARNING);
} else {
if (isset($p["result"]) && $p["result"] && strlen($res) == 0) {
trigger_error("CURL Error: " . curl_errno($p["_"]) . " - " . curl_error($p["_"]), E_USER_WARNING);
}
}
}
if ($close) {
curl_close($p["_"]);
$p["_"] = null;
}
if (isset($p["getheaders"]) && $p["getheaders"] === true) {
return parse_response($res);
}
if (isset($p["getinfo"]) && $p["getinfo"] === true) {
return array($info, $res);
}
return $res;
} else {
$mh = curl_multi_init();
foreach ($connomains as $i => $url) {
$conn[$i] = curl_init($url);
$configs = isset($p["setup"]) ? call_user_func($p["setup"], $i, $url) : array();
url_setopts($conn[$i], array_merge($p, $configs));
curl_multi_add_handle($mh, $conn[$i]);
}
do {
$mrc = curl_multi_exec($mh, $active);
if (isset($p["waitbefore"]) && $p["waitbefore"] > 0) {
usleep($p["waitbefore"] * 1000000);
}
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
while ($active and $mrc == CURLM_OK) {
if (curl_multi_select($mh) != -1) {
do {
$mrc = curl_multi_exec($mh, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
}
}
if ($mrc != CURLM_OK) {
trigger_error("Curl multi read error {$mrc}\n", E_USER_WARNING);
}
foreach ($connomains as $i => $url) {
if (($err = curl_error($conn[$i])) == '') {
$res[$i] = curl_multi_getcontent($conn[$i]);
} else {
trigger_error("Curl error on handle {$i}: {$err}\n", E_USER_WARNING);
}
curl_multi_remove_handle($mh, $conn[$i]);
curl_close($conn[$i]);
}
curl_multi_close($mh);
return $res;
}
}
