1 files changed, 91 insertions, 0 deletions
diff --git a/bootstrap/comments/backend/classes/statistics.php b/bootstrap/comments/backend/classes/statistics.php
new file mode 100644
index 0000000..e08d0de
--- /dev/null
+++ b/bootstrap/comments/backend/classes/statistics.php
@@ -0,0 +1,91 @@
+<?php namespace HashOver;
+
+// Copyright (C) 2010-2018 Jacob Barkdull
+// This file is part of HashOver.
+//
+// HashOver is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// HashOver is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with HashOver.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class Statistics
+{
+	public $mode;
+	public $executionStart;
+	public $executionEnd;
+	public $executionMicroTime;
+	public $executionTime;
+	public $scriptMemory;
+	public $systemMemory;
+
+	public function __construct ($mode = 'php')
+	{
+		$this->mode = $mode;
+	}
+
+	// Script execution starting time
+	public function executionStart ()
+	{
+		// Start time in seconds
+		$this->executionStart = microtime (true);
+	}
+
+	// Script execution ending time
+	public function executionEnd ()
+	{
+		// End time in seconds
+		$this->executionEnd = microtime (true);
+
+		// Difference between start time and end time in seconds
+		$this->executionMicroTime = $this->executionEnd - $this->executionStart;
+
+		// Unit to divided memory bytes by (1,024² for mibibytes)
+		$division_unit = pow (1024, 2);
+
+		// Memory the script consumed divided by division unit
+		$script_memory = round (memory_get_peak_usage () / $division_unit, 2);
+		$this->scriptMemory = $script_memory . ' MiB';
+
+		// Memory the system consumed divided by division unit
+		$system_memory = round (memory_get_peak_usage (true) / $division_unit, 2);
+		$this->systemMemory = $system_memory . ' MiB';
+
+		// Display execution time in millisecond(s)
+		if ($this->executionMicroTime < 1) {
+			$this->executionTime = round ($this->executionMicroTime * 1000, 5) . ' ms';
+		} else {
+			// Display execution time in seconds
+			$this->executionTime = round ($this->executionMicroTime, 5) . ' Second';
+
+			// Add plural to any execution time other than one
+			if ($this->executionMicroTime !== 1) {
+				$this->executionTime .= 's';
+			}
+		}
+
+		// Statistics inner-comment
+		$statistics  = PHP_EOL . PHP_EOL;
+		$statistics .= "\t" . 'HashOver Statistics' . PHP_EOL . PHP_EOL;
+		$statistics .= "\t" . 'Execution Time     : ' . $this->executionTime . PHP_EOL;
+		$statistics .= "\t" . 'Script Memory Peak : ' . $this->scriptMemory . PHP_EOL;
+		$statistics .= "\t" . 'System Memory Peak : ' . $this->systemMemory;
+		$statistics .= PHP_EOL . PHP_EOL;
+
+		// Return statistics as JavaScript comment
+		if ($this->mode !== 'php') {
+			return PHP_EOL . '/*' . $statistics . '*/';
+		}
+
+		// Return statistics as HTML comment by default
+		return PHP_EOL . '<!--' . $statistics . '-->';
+	}
+}