profiler-php

<?php

namespace app\components\development\profiler;

class Profiler
{
    /**
     * @var float[]
     */
    private $timers = [];

    /**
     * @param string $category
     */
    public function startTimer(string $category = 'default'): void
    {
        $this->timers[$category] = $this->getMicrotime();
    }

    /**
     * @param string $category
     */
    public function finishTimer(string $category = 'default'): void
    {
        $getTimestampsTime = $this->getMicrotime() - $this->timers[$category];
        $this->reportTime($category, $getTimestampsTime);
    }

    /**
     * @param string $category
     * @return float
     */
    public function getTimer(string $category = 'default'): float
    {
        return $this->getMicrotime() - $this->timers[$category];
    }

    /**
     * @return float
     */
    private function getMicrotime(): float
    {
        return microtime(true);
    }

    /**
     * @param string $category
     * @param float $time
     */
    private function reportTime(string $category, float $time): void
    {
        $message = sprintf('%s: %.2f сек', $category, $time);
        echo "{$message}\n";
    }
}