public static function SendValue($cityName, $attributeName, $value)
{
$base_url = "https://osi-serv.osibr.com/piwebapi/";
$url = $base_url . "attributes?path=\\\\MARC-PI2014\\AFPartnerCourseWeather\\Cities\\" . $cityName . "|" . $attributeName;
$result = PIWebAPIWrapper::MakeGetRequest($url);
$url_to_send = $result->Links->Value;
$postData = "{'Value': " . $value . " }";
$statusCode = PIWebAPIWrapper::MakePostRequest($url_to_send, $postData);
return $statusCode;
}
<?php
include_once "piwebapi.class.php";
$citiesNames = PIWebAPIWrapper::GetCitiesName();
$attributesNames = PIWebAPIWrapper::GetAttributesName();
$postAction = 0;
if (isset($_POST["value"])) {
$valueToSend = $_POST["value"];
$selectedCity = urlencode($_POST["city_name"]);
$selectedAttribute = urlencode($_POST["attribute_name"]);
$statusCode = PIWebAPIWrapper::SendValue($selectedCity, $selectedAttribute, $valueToSend);
$postAction = 1;
}
?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<link href="default.css" rel="stylesheet" />
<title>Sending Value to the PI System through PI Web API</title>
</head>
<body>
<h1>Sending Value to the PI System through PI Web API</h1>
<form action="index.php" method="post">
<p>Select the element and attribute that you want to send your value:</p>
<label for="city_name">Select city</label> <select name="city_name"
id="city_name" size="1">
<?php
foreach ($citiesNames as $cityName) {
echo "<option value=\"{$cityName}\">" . $cityName . "</option>";
}
?>
