Isswp101\Timer\Timer

Complexity

Total Complexity

8

Size/Duplication

Total Lines	116
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes	6
Bugs	2	Features	2

8 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	format()	0	5	1
A	start()	0	5	1
A	stop()	0	7	1
A	reset()	0	6	1
A	time()	0	10	1
A	replace()	0	6	1
A	end()	0	4	1

<?php

namespace Isswp101\Timer;

class Timer
{
    /**
     * @var double
     */
    private $start;

    /**
     * @var double
     */
    private $time;

    /**
     * @var string
     */
    private $format;

    /**
     * Create a new Timer instance and start it.
     *
     * @param string $format
     */
    public function __construct($format = 'H:i:s.ms')
    {
        $this->format($format)->start();
    }

    /**
     * Set the date format.
     *
     * @param string $format
     * @return $this
     */
    protected function format($format)
    {
        $this->format = $format;
        return $this;
    }

    /**
     * Start the timer.
     *
     * @return $this
     */
    public function start()
    {
        $this->start = microtime(true);
        return $this;
    }

    /**
     * Stop the timer.
     *
     * @return $this
     */
    public function stop()
    {
        $time = microtime(true);
        $this->time += $time - $this->start;
        $this->start = $time;
        return $this;
    }

    /**
     * Reset the timer.
     *
     * @return $this
     */
    public function reset()
    {
        $this->time = 0.0;
        $this->start();
        return $this;
    }

    /**
     * Return measured time.
     *
     * @return string
     */
    public function time()
    {
        $format = $this->format;

        $format = $this->replace('u', 6, $format);

        $format = $this->replace('ms', 3, $format);

        return gmdate($format, $this->time);
    }

    /**
     * Replace the date format with calculated values.
     *
     * @param string $pattern
     * @param int $precision
     * @param string $format
     * @return string
     */
    private function replace($pattern, $precision, $format)
    {
        $time = round($this->time, $precision);
        $value = substr(number_format($time - floor($time), $precision), 2);
        return str_replace($pattern, $value, $format);
    }

    /**
     * Stop the timer and return measured time.
     *
     * @return string
     */
    public function end()
    {
        return $this->stop()->time();
    }
}