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porklib/Utils/Profiler.php

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+<?php
+
+namespace MightyPork\Utils;
+
+
+/**
+ * Profiling funcs
+ */
+class Profiler
+{
+	/**
+	 * Get current time
+	 *
+	 * @return float time (s)
+	 */
+	public static function now()
+	{
+		list($usec, $sec) = explode(" ", microtime());
+		return ((float) $usec + (float) $sec);
+	}
+
+
+	/**
+	 * Start profiling
+	 *
+	 * @return float current time (profiling token)
+	 */
+	public static function start()
+	{
+		return self::now();
+	}
+
+
+	/**
+	 * Measure time elapsed since start, formatted to 3 decimal places for printing.
+	 *
+	 * @param float $start time obtained with "start()"
+	 * @return float time elapsed (s)
+	 */
+	public static function end($start)
+	{
+		return sprintf('%0.3f', self::now() - $start);
+	}
+}