App\Infrastructure\Memory

Complexity

Total Complexity

6

Size/Duplication

Total Lines	43
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	echoMemory()	0	7	2
A	memoryPeak()	0	5	1
A	__construct()	0	2	1
A	convert()	0	5	1
A	memoryUsage()	0	5	1

<?php
/**
 * This file is part of dispositif/wikibot application (@github)
 * 2019/2020 © Philippe M. <dispositif@gmail.com>
 * For the full copyright and MIT license information, please view the license file.
 */

namespace App\Infrastructure;

/**
 * php -i | grep memory
 * Class Memory.
 */
class Memory
{
    public function __construct()
    {
    }

    /**
     * $real=true shows allocated memory (-> system monitoring)
     * $real=null|false shows memory used by script (-> memory leak search)
     * Do not take PHP external resources into account (remote/DB connection, SimpleXML, etc)
     * See http://drib.tech/programming/get-real-amount-memory-allocated-php.
     *
     * @param bool|null $real
     */
    public function echoMemory(?bool $real = null): void
    {
        echo sprintf(
            "Memory %s: %s %s \n",
            ($real) ? '(true)' : '',
            $this->memoryUsage(),
            $this->memoryPeak()
        );
    }

    public function memoryUsage(?bool $real = null): string
    {
        $memUsage = memory_get_usage($real);

        return sprintf('usage: %s', $this->convert($memUsage));
    }

    public function memoryPeak(?bool $real = null): string
    {
        $memUsage = memory_get_peak_usage($real);

        return sprintf('peak: %s', $this->convert($memUsage));
    }

    private function convert(int $size): string
    {
        $unit = ['b', 'Kb', 'Mb', 'Gb', 'Tb', 'Pb'];

        return @round($size / pow(1024, ($i = floor(log($size, 1024)))), 2).' '.$unit[intval($i)];
    }
}