fix warnings in php 8.2 (DataDog#132)

* fix warnings in php 8.2

* fix ci

* lint

* ci

Author: gh123man

.circleci/config.yml

@@ -19,6 +19,10 @@ x-dockerbuild-5: &dockerbuild-5
     - run: composer lint
 
 jobs:
+  test-8.2:
+    <<: *dockerbuild-phpdbg
+    docker:
+      - image: cimg/php:8.2-browsers
   test-8.0:
     <<: *dockerbuild-phpdbg
     docker:
@@ -52,6 +56,7 @@ workflows:
   version: 2
   check_compile:
     jobs:
+      - test-8.2
       - test-8.0
       - test-7.4
       - test-7.3

phpunit.xml

@@ -1,21 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/5.7/phpunit.xsd"
-         bootstrap="vendor/autoload.php"
-         backupGlobals="false"
-         beStrictAboutCoversAnnotation="true"
-         beStrictAboutOutputDuringTests="true"
-         beStrictAboutTestsThatDoNotTestAnything="true"
-         beStrictAboutTodoAnnotatedTests="true"
-         colors="true"
-         verbose="true">
-    <testsuite name="unit">
-        <directory suffix="Test.php">tests/UnitTests</directory>
-    </testsuite>
-
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">src</directory>
-        </whitelist>
-    </filter>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" bootstrap="vendor/autoload.php" backupGlobals="false" beStrictAboutCoversAnnotation="true" beStrictAboutOutputDuringTests="true" beStrictAboutTestsThatDoNotTestAnything="true" beStrictAboutTodoAnnotatedTests="true" colors="true" verbose="true">
+  <coverage processUncoveredFiles="true">
+    <include>
+      <directory suffix=".php">src</directory>
+    </include>
+  </coverage>
+  <testsuite name="unit">
+    <directory suffix="Test.php">tests/UnitTests</directory>
+  </testsuite>
 </phpunit>

src/DogStatsd.php

@@ -65,6 +65,18 @@ class DogStatsd
      */
     private $metricPrefix;
 
+    // Telemetry
+    private $disable_telemetry;
+    private $telemetry_tags;
+    private $metrics_sent;
+    private $events_sent;
+    private $service_checks_sent;
+    private $bytes_sent;
+    private $bytes_dropped;
+    private $packets_sent;
+    private $packets_dropped;
+
+
     private static $eventUrl = '/api/v1/events';
 
     // Used for the telemetry tags
@@ -510,7 +522,7 @@ public function flush($message)
      * @param  array  $vals  Optional values of the event. See
      *                       https://docs.datadoghq.com/api/?lang=bash#post-an-event
      *                       for the valid keys
-     * @return null
+     * @return bool
      **/
     public function event($title, $vals = array())
     {
@@ -602,7 +614,7 @@ public function event($title, $vals = array())
      *
      * @param  array $vals Optional values of the event. See
      *                     https://docs.datadoghq.com/api/?lang=bash#post-an-event for the valid keys
-     * @return null
+     * @return bool
      */
     private function eventUdp($vals)
     {
@@ -631,7 +643,7 @@ private function eventUdp($vals)
         $this->events_sent += 1;
         $this->report('_e{' . $title_length . ',' . $text_length . '}:' . $fields);
 
-        return null;
+        return true;
     }
 
     /**