Digitigrade/CharacterRange.php


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<?php
namespace Digitigrade;

class CharacterRange implements \JsonSerializable {
    public int $start;
    public int $end;

    public function __construct(string $range) {
        $parts = explode('-', $range, 2);
        $this->start = +$parts[0];
        $this->end = +$parts[1];
    }

    public function jsonSerialize(): string {
        return "$this->start-$this->end";
    }
}