version 1.5

2024-01-11 14:04:25 +01:00
parent 0ee8291846
commit 4492763b78
756 changed files with 209957 additions and 2 deletions
@@ -0,0 +1,96 @@
+<?php
+
+/**
+ * Shows how to use a Flux query defined in a separate file
+ */
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use InfluxDB2\Client;
+use InfluxDB2\Point;
+
+$org = 'my-org';
+$bucket = 'my-bucket';
+$token = 'my-token';
+
+//
+// Creating client
+//
+$client = new Client([
+    "url" => "http://localhost:8086",
+    "token" => $token,
+    "bucket" => $bucket,
+    "org" => $org,
+    "precision" => InfluxDB2\Model\WritePrecision::S
+]);
+
+//
+// Write test data into InfluxDB
+//
+$writeApi = $client->createWriteApi();
+$pointArray = [];
+
+$dateNow = new DateTime('NOW');
+for ($i = 1; $i <= 10; $i++) {
+    $point = Point::measurement("weather")
+        ->addTag("location", "Prague")
+        ->addField("temperature", rand(-5, 15))
+        ->time($dateNow->getTimestamp());
+    $pointArray[] = $point;
+    $dateNow->sub(new DateInterval('P1D'));
+}
+
+$writeApi->write($pointArray);
+$writeApi->close();
+
+//
+// Get query client
+//
+$queryApi = $client->createQueryApi();
+
+//
+// Executes Flux query defined in a separate file
+//
+$filename = "query.flux";
+$handle = fopen($filename, "r");
+$contents = fread($handle, filesize($filename));
+fclose($handle);
+
+$result = $queryApi->query($contents);
+
+//
+// Working with returned data in FluxTables
+//
+printf("\n\n------------------------------- Query -------------------------------\n\n");
+foreach ($result as $table) {
+    foreach ($table->records as $record) {
+        $day = getDayName($record["weekDay"]);
+        $location = $record["location"];
+        $temperature = $record["temperature"];
+        $measurement = $record->getMeasurement();
+        print "Temperature in $location at $day is $temperature °C\n";
+    }
+}
+
+function getDayName(int $weekDay): string
+{
+    switch ($weekDay) {
+        case "1":
+            return "Monday";
+        case "2":
+            return "Tuesday";
+        case "3":
+            return "Wednesday";
+        case "4":
+            return "Thursday";
+        case "5":
+            return "Friday";
+        case "6":
+            return "Saturday";
+        case "0":
+            return "Sunday";
+    }
+    return "";
+}
+
+$client->close();