<?php

/**
 * Timing functions for the run.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */
namespace PHP_CodeSniffer\Util;

class Timing
{
    /**
     * The start time of the run.
     *
     * @var float
     */
    private static $startTime;
    /**
     * Used to make sure we only print the run time once per run.
     *
     * @var boolean
     */
    private static $printed = \false;
    /**
     * Start recording time for the run.
     *
     * @return void
     */
    public static function startTiming()
    {
        self::$startTime = \microtime(\true);
    }
    //end startTiming()
    /**
     * Print information about the run.
     *
     * @param boolean $force If TRUE, prints the output even if it has
     *                       already been printed during the run.
     *
     * @return void
     */
    public static function printRunTime($force = \false)
    {
        if ($force === \false && self::$printed === \true) {
            // A double call.
            return;
        }
        if (self::$startTime === null) {
            // Timing was never started.
            return;
        }
        $time = (\microtime(\true) - self::$startTime) * 1000;
        if ($time > 60000) {
            $mins = \floor($time / 60000);
            $secs = \round(\fmod($time, 60000) / 1000, 2);
            $time = $mins . ' mins';
            if ($secs !== 0) {
                $time .= ", {$secs} secs";
            }
        } else {
            if ($time > 1000) {
                $time = \round($time / 1000, 2) . ' secs';
            } else {
                $time = \round($time) . 'ms';
            }
        }
        $mem = \round(\memory_get_peak_usage(\true) / (1024 * 1024), 2) . 'MB';
        echo "Time: {$time}; Memory: {$mem}" . \PHP_EOL . \PHP_EOL;
        self::$printed = \true;
    }
    //end printRunTime()
}
//end class
