1<?php
  2
  3// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
  4// SPDX-License-Identifier: BSD-3-Clause
  5
  6declare(strict_types=1);
  7
  8namespace SimplePie;
  9
 10/**
 11 * Manages `<media:copyright>` copyright tags as defined in Media RSS
 12 *
 13 * Used by {@see \SimplePie\Enclosure::get_copyright()}
 14 *
 15 * This class can be overloaded with {@see \SimplePie\SimplePie::set_copyright_class()}
 16 */
 17class Copyright
 18{
 19    /**
 20     * Copyright URL
 21     *
 22     * @var ?string
 23     * @see get_url()
 24     */
 25    public $url;
 26
 27    /**
 28     * Attribution
 29     *
 30     * @var ?string
 31     * @see get_attribution()
 32     */
 33    public $label;
 34
 35    /**
 36     * Constructor, used to input the data
 37     *
 38     * For documentation on all the parameters, see the corresponding
 39     * properties and their accessors
 40     */
 41    public function __construct(
 42        ?string $url = null,
 43        ?string $label = null
 44    ) {
 45        $this->url = $url;
 46        $this->label = $label;
 47    }
 48
 49    /**
 50     * String-ified version
 51     *
 52     * @return string
 53     */
 54    public function __toString()
 55    {
 56        // There is no $this->data here
 57        return md5(serialize($this));
 58    }
 59
 60    /**
 61     * Get the copyright URL
 62     *
 63     * @return string|null URL to copyright information
 64     */
 65    public function get_url()
 66    {
 67        if ($this->url !== null) {
 68            return $this->url;
 69        }
 70
 71        return null;
 72    }
 73
 74    /**
 75     * Get the attribution text
 76     *
 77     * @return string|null
 78     */
 79    public function get_attribution()
 80    {
 81        if ($this->label !== null) {
 82            return $this->label;
 83        }
 84
 85        return null;
 86    }
 87}
 88
 89class_alias('SimplePie\Copyright', 'SimplePie_Copyright');
 90