From 2071b570536a01f0bf7474270758c6bbade4cc43 Mon Sep 17 00:00:00 2001
From: Joshua Ramon Enslin <joshua@museum-digital.de>
Date: Tue, 27 Jul 2021 23:44:08 +0200
Subject: [PATCH] Add class MD_STD_DEBUG for debugging and code improvements

---
 src/MD_STD_DEBUG.php | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/MD_STD_DEBUG.php

diff --git a/src/MD_STD_DEBUG.php b/src/MD_STD_DEBUG.php
new file mode 100644
index 0000000..9ed7c9a
--- /dev/null
+++ b/src/MD_STD_DEBUG.php
@@ -0,0 +1,35 @@
+<?PHP
+/**
+ * Provides basic debugging functions.
+ */
+declare(strict_types = 1);
+
+/**
+ * Standard class providing simple and generally applicable
+ * debugging and code improvement functions.
+ */
+final class MD_STD_DEBUG {
+    /**
+     * Function simpleBenchmark prints the difference between start time and the time at the exit of script
+     * Should be put very early in the script.
+     *
+     * @return void
+     */
+    public static function simpleBenchmark():void {
+
+        $start = \microtime(true);
+        \register_shutdown_function(function($start) :void {
+            echo PHP_EOL . '<pre>';
+            echo  \microtime(true) - $start . "<br/>";
+            echo 'RAM Usage (Peak): ' . \memory_get_peak_usage() . "<br/>";
+            echo 'RAM Usage:        ' . \memory_get_usage() . "<br/>";
+            if ($loadAvg = \sys_getloadavg()) {
+                echo 'Load avg. (last  1 minute): ' . $loadAvg[0] . '<br />';
+                echo 'Load avg. (last  5 minute): ' . $loadAvg[1] . '<br />';
+                echo 'Load avg. (last 15 minute): ' . $loadAvg[2] . '<br />';
+            }
+            echo '</pre>';
+        }, $start);
+
+    }
+}