pete-rai · January 11, 2019 11:04 · Jan 11, 2019
diff --git a/timer.php b/timer.php
@@ -0,0 +1,61 @@
+<?
+
+/*
+ * A simple PHP timer class with interim marker support
+ *
+ * Released with the karmaware tag - https://pete-rai.github.io/karmaware
+ *
+ * Website  : http://www.rai.org.uk
+ * GitHub   : https://github.com/pete-rai
+ * LinkedIn : https://uk.linkedin.com/in/raipete
+ * NPM      : https://www.npmjs.com/~peterai
+ *
+ */
+
+class Timer
+{
+    protected $start;
+    protected $mark;
+
+    public function __construct ()
+    {
+        $this->start = $this->mark = self::now ();
+    }
+
+    public static function now ()
+    {
+        return microtime (true);
+    }
+
+    public function mark ()
+    {
+        $now = self::now ();
+        $tick = $now - $this->mark;
+        $this->mark = $now;
+        return $tick;
+    }
+
+    public function full ()
+    {
+        return self::now () - $this->start;
+    }
+}
+
+/*
+
+// --- test code only - leave commented out once working
+
+$timer = new Timer ();
+
+echo number_format ($timer->mark (), 6)."\n";
+sleep (1);
+echo number_format ($timer->mark (), 6)."\n";
+sleep (2);
+echo number_format ($timer->mark (), 6)."\n";
+sleep (3);
+echo number_format ($timer->mark (), 6)."\n";
+sleep (5);
+echo number_format ($timer->mark (), 6)."\n";
+echo number_format ($timer->full (), 6)."\n";
+
+*/