Allow gauge() to accept floats too (#56)

CHANGELOG.md

@@ -10,6 +10,7 @@ Updates should follow the [Keep a CHANGELOG](https://keepachangelog.com/) princi
 ### Changed
  - Supported PHP versions are now 7.4, 8.0, and 8.1
  - All properties and methods now have type hints where applicable
+ - `gauge()` now accepts both `int` and `float` values (#56)
  - `ConnectionException` message is now also propagated via `trigger_error()` (#57)
  - The following methods return the `StatsDClient` interface instead of `Client`:
      - `ConfigurationException::getInstance()`

src/Client.php

@@ -263,12 +263,12 @@ public function time(string $metric, $func, array $tags = []): void
      * Gauges
      *
      * @param string $metric Metric to gauge
-     * @param int    $value  Set the value of the gauge
+     * @param int|float $value  Set the value of the gauge
      * @param array  $tags   A list of metric tags values
      *
      * @throws ConnectionException
      */
-    public function gauge(string $metric, int $value, array $tags = []): void
+    public function gauge(string $metric, $value, array $tags = []): void
     {
         $this->send([$metric => $value . '|g'], $tags);
     }

src/StatsDClient.php

@@ -87,12 +87,12 @@ public function time(string $metric, $func, array $tags = []): void;
      * Gauges
      *
      * @param string $metric Metric to gauge
-     * @param int    $value  Set the value of the gauge
+     * @param int|float $value  Set the value of the gauge
      * @param array  $tags   A list of metric tags values
      *
      * @throws ConnectionException
      */
-    public function gauge(string $metric, int $value, array $tags = []): void;
+    public function gauge(string $metric, $value, array $tags = []): void;
 
     /**
      * Sets - count the number of unique values passed to a key

tests/GaugeTest.php

@@ -9,4 +9,10 @@ public function testGauge()
         $this->client->gauge('test_metric', 456);
         $this->assertEquals('test_metric:456|g', $this->client->getLastMessage());
     }
+
+    public function testGaugeWithFloat()
+    {
+        $this->client->gauge('test_metric', 3.14);
+        $this->assertEquals('test_metric:3.14|g', $this->client->getLastMessage());
+    }
 }