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1 <?php |
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2 |
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3 /** |
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4 * SimplePie |
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5 * |
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6 * A PHP-Based RSS and Atom Feed Framework. |
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7 * Takes the hard work out of managing a complete RSS/Atom solution. |
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8 * |
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9 * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors |
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10 * All rights reserved. |
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11 * |
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12 * Redistribution and use in source and binary forms, with or without modification, are |
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13 * permitted provided that the following conditions are met: |
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14 * |
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15 * * Redistributions of source code must retain the above copyright notice, this list of |
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16 * conditions and the following disclaimer. |
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17 * |
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18 * * Redistributions in binary form must reproduce the above copyright notice, this list |
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19 * of conditions and the following disclaimer in the documentation and/or other materials |
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20 * provided with the distribution. |
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21 * |
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22 * * Neither the name of the SimplePie Team nor the names of its contributors may be used |
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23 * to endorse or promote products derived from this software without specific prior |
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24 * written permission. |
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25 * |
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS |
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27 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
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28 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS |
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29 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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33 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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34 * POSSIBILITY OF SUCH DAMAGE. |
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35 * |
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36 * @package SimplePie |
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37 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue |
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38 * @author Ryan Parman |
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39 * @author Sam Sneddon |
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40 * @author Ryan McCue |
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41 * @link http://simplepie.org/ SimplePie |
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42 * @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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43 */ |
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44 |
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45 namespace SimplePie\Cache; |
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46 |
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47 /** |
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48 * Base class for database-based caches |
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49 * |
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50 * @package SimplePie |
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51 * @subpackage Caching |
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52 * @deprecated since SimplePie 1.8.0, use implementation of "Psr\SimpleCache\CacheInterface" instead |
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53 */ |
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54 abstract class DB implements Base |
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55 { |
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56 /** |
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57 * Helper for database conversion |
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58 * |
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59 * Converts a given {@see SimplePie} object into data to be stored |
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60 * |
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61 * @param \SimplePie\SimplePie $data |
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62 * @return array First item is the serialized data for storage, second item is the unique ID for this item |
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63 */ |
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64 protected static function prepare_simplepie_object_for_cache($data) |
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65 { |
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66 $items = $data->get_items(); |
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67 $items_by_id = []; |
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68 |
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69 if (!empty($items)) { |
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70 foreach ($items as $item) { |
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71 $items_by_id[$item->get_id()] = $item; |
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72 } |
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73 |
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74 if (count($items_by_id) !== count($items)) { |
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75 $items_by_id = []; |
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76 foreach ($items as $item) { |
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77 $items_by_id[$item->get_id(true)] = $item; |
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78 } |
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79 } |
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80 |
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81 if (isset($data->data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['feed'][0])) { |
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82 $channel = &$data->data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['feed'][0]; |
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83 } elseif (isset($data->data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['feed'][0])) { |
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84 $channel = &$data->data['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['feed'][0]; |
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85 } elseif (isset($data->data['child'][\SimplePie\SimplePie::NAMESPACE_RDF]['RDF'][0])) { |
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86 $channel = &$data->data['child'][\SimplePie\SimplePie::NAMESPACE_RDF]['RDF'][0]; |
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87 } elseif (isset($data->data['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['rss'][0]['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['channel'][0])) { |
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88 $channel = &$data->data['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['rss'][0]['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['channel'][0]; |
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89 } else { |
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90 $channel = null; |
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91 } |
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92 |
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93 if ($channel !== null) { |
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94 if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['entry'])) { |
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95 unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_10]['entry']); |
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96 } |
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97 if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['entry'])) { |
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98 unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_ATOM_03]['entry']); |
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99 } |
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100 if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_10]['item'])) { |
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101 unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_10]['item']); |
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102 } |
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103 if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_090]['item'])) { |
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104 unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_090]['item']); |
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105 } |
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106 if (isset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['item'])) { |
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107 unset($channel['child'][\SimplePie\SimplePie::NAMESPACE_RSS_20]['item']); |
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108 } |
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109 } |
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110 if (isset($data->data['items'])) { |
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111 unset($data->data['items']); |
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112 } |
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113 if (isset($data->data['ordered_items'])) { |
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114 unset($data->data['ordered_items']); |
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115 } |
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116 } |
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117 return [serialize($data->data), $items_by_id]; |
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118 } |
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119 } |
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120 |
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121 class_alias('SimplePie\Cache\DB', 'SimplePie_Cache_DB'); |