initial commit of laravel!

system/benchmark.php

@@ -0,0 +1,49 @@
+<?php namespace System;
+
+class Benchmark {
+
+	/**
+	 * Benchmark starting times.
+	 *
+	 * @var array
+	 */
+	public static $marks = array();
+
+	/**
+	 * Start a benchmark.
+	 *
+	 * @param  string  $name
+	 * @return void
+	 */
+	public static function start($name)
+	{
+		static::$marks[$name] = microtime(true);
+	}
+
+	/**
+	 * Get the elapsed time in milliseconds since starting a benchmark.
+	 *
+	 * @param  string  $name
+	 * @return float
+	 */
+	public static function check($name)
+	{
+		if (array_key_exists($name, static::$marks))
+		{
+			return number_format((microtime(true) - static::$marks[$name]) * 1000, 2);
+		}
+
+		return 0.0;
+	}
+
+	/**
+	 * Get the total memory usage in megabytes.
+	 *
+	 * @return float
+	 */
+	public static function memory()
+	{
+		return number_format(memory_get_usage() / 1024 / 1024, 2);
+	}
+
+}