bagsiz / easy-functions

src/EasyFunction.php

<?php

namespace Bagsiz\EasyFunctions;

use DateTime;

class EasyFunction
{
    /**
     * Check a model's field against a random value.
     */
    public static function checkFieldForRandom($model, string $field, string $type = 'str', int $length = 8)
    {
        if ($type == 'str') {
            $rnd = self::randomStr($length);
        } elseif ($type == 'int') {
            $rnd = self::randomInt($length);
        }

        $continue = true;
        while ($continue) {
            $check = $model->where($field, $rnd)->first();

The variable $rnd does not seem to be defined for all execution paths leading up to this point.

            if (! $check) {
                $continue = false;

The assignment to $continue is dead and can be removed.

            }

            return $rnd;
        }
    }

    private static function randomStr($length = 16)
    {
        $string = '';

        while (($len = strlen($string)) < $length) {
            $size = $length - $len;

            $bytes = random_bytes($size);

            $string .= substr(str_replace(['/', '+', '='], '', base64_encode($bytes)), 0, $size);
        }

        return $string;
    }

    private static function randomInt($length = 4)
    {
        $rand = '';
        while (! (isset($rand[$length - 1]))) {
            $rand .= mt_rand();
        }

        return (int) substr($rand, 0, $length);
    }

    public static function decimalToTime($decimal)
    {
        if (! $decimal) {
            return 'Empty data given.';
        }
        if (strpos((string) $decimal, '.') !== false) {
            $timeArray = explode('.', $decimal);

            $zero = new DateTime('@0');
            $offset = new DateTime("@$timeArray[0]");
            $diff = $zero->diff($offset);

            $timeString = sprintf('%02d:%02d:%02d:%02d', $diff->days, $diff->h, $diff->i, $diff->s);

            if (isset($timeArray[1])) {
                if (strlen((string) $timeArray[1]) == 1) {
                    $timeArray[1] = sprintf('%1s0', $timeArray[1]);

                    return $timeString.'.'.$timeArray[1];
                }

                return $timeString.'.'.str_pad($timeArray[1], 2, '0', STR_PAD_LEFT);
            } else {
                return $timeString.'.00';
            }
        } else {
            return 'Integer must contain "." for decimals';
        }
    }
}