N98\Util\Exec

Complexity

Total Complexity

4

Size/Duplication

Total Lines	48
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes	2
Bugs	1	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	run()	0	11	2
A	allowed()	0	4	1
A	parseCommandOutput()	0	4	1

<?php

namespace N98\Util;

use RuntimeException;

/**
 * Class Exec
 * @package N98\Util
 */
class Exec
{
    /**
     * @var string
     */
    const REDIRECT_STDERR_TO_STDOUT = ' 2>&1';

    /**
     * @var int (0-255)
     */
    const CODE_CLEAN_EXIT = 0;

    /**
     * @param string $command
     * @param string $commandOutput

Should the type for parameter $commandOutput not be string|null?

     * @param int $returnCode

Should the type for parameter $returnCode not be integer|null?

     */
    public static function run($command, &$commandOutput = null, &$returnCode = null)
    {
        $command = $command . self::REDIRECT_STDERR_TO_STDOUT;

        exec($command, $commandOutput, $returnCode);
        $commandOutput = self::parseCommandOutput($commandOutput);

        if ($returnCode !== self::CODE_CLEAN_EXIT) {
            throw new RuntimeException($commandOutput);
        }
    }

    /**
     * Exec class is allowed to run
     *
     * @return bool
     */
    public static function allowed()
    {
        return function_exists('exec');
    }

    /**
     * @param $commandOutput
     * @return string
     */
    private static function parseCommandOutput($commandOutput)
    {
        return implode(PHP_EOL, $commandOutput);
    }
}