| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Abstract base class for XOOPS Database access classes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * You may not change or alter any portion of this comment or credits | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * of supporting developers from this source code or any supporting source code | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * which is considered copyrighted (c) material of the original comment or credit authors. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @copyright       (c) 2000-2025 XOOPS Project (https://xoops.org) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @license             GNU GPL 2 (https://www.gnu.org/licenses/gpl-2.0.html) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * @package             kernel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * @subpackage          database | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * @since               1.0.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * @author              Kazumi Ono <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | defined('XOOPS_ROOT_PATH') || exit('Restricted access'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * make sure this is only included once! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | if (defined('XOOPS_C_DATABASE_INCLUDED')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | define('XOOPS_C_DATABASE_INCLUDED', 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  * Abstract base class for Database access classes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  * @abstract | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  * @author     Kazumi Ono <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  * @package    kernel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  * @subpackage database | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | abstract class XoopsDatabase | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * Prefix for tables in the database | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     public $prefix = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * reference to a {@link XoopsLogger} object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * @see XoopsLogger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * @var object XoopsLogger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     public $logger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      * If statements that modify the database are selected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * @var boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     public $allowWebChanges = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * XoopsDatabase constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     public function __construct() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         // exit('Cannot instantiate this class directly'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * assign a {@link XoopsLogger} object to the database | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * @see XoopsLogger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * @param XoopsLogger $logger reference to a {@link XoopsLogger} object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     public function setLogger(XoopsLogger $logger) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         $this->logger = &$logger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      * set the prefix for tables in the database | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * @param string $value table prefix | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     public function setPrefix($value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         $this->prefix = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * attach the prefix.'_' to a given tablename | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * if tablename is empty, only prefix will be returned | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @param  string $tablename tablename | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * @return string prefixed tablename, just prefix if tablename is empty | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     public function prefix($tablename = '') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |         if ($tablename != '') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |             return $this->prefix . '_' . $tablename; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |             return $this->prefix; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * Test the passed result to determine if it is a valid result set | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * @param mixed $result value to test | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @return bool true if $result is a database result set, otherwise false | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     abstract public function isResultSet($result); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |      * Return a human-readable description of the last DB error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |      * Subclasses must override to provide engine-specific details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |      * @return string Error message or empty string if no error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |     abstract public function error(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * Return an engine-specific error code for the last DB error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      * Subclasses must override to provide engine-specific details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |      * @return int Error code (e.g., MySQL errno) or 0 if no error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |     abstract public function errno(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |      * Executes a SELECT-like statement and returns a result handle. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |      * If $limit is null, no LIMIT/OFFSET is applied. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |      * If $limit is not null and $start is null, $start defaults to 0. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |      * @param string   $sql | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      * @param int|null $limit | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      * @param int|null $start | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |      * @return mixed   driver result/resource|false | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |     abstract public function query(string $sql, ?int $limit = null, ?int $start = null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |      * Executes a mutating statement (INSERT/UPDATE/DELETE/DDL). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |      * New code should prefer exec(). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |     abstract public function exec(string $sql); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |      * Legacy alias for writes; kept for BC. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |     public function queryF(string $sql) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |         // Deprecated: delegate to exec(). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         // Optional: behind a dev flag, emit a deprecation warning. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | //        if (is_object($GLOBALS['xoopsLogger'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | //            $GLOBALS['xoopsLogger']->addDeprecated(__METHOD__ . " is deprecated since XOOPS 2.5.12, please use 'exec()' instead."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | //        } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |         return $this->exec($sql); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |          * Canonical quoting API — returns a single-quoted SQL literal. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |          * MUST include surrounding single quotes and perform driver-appropriate escaping. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |          * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |          * @param string $str Raw, unescaped string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |          * @return string Quoted SQL literal, e.g. 'O''Reilly' for input "O'Reilly" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |          */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         abstract public function quote(string $str); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |           Legacy alias. Returns a single-quoted SQL literal. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |          * @deprecated Use quote() | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 181 |  |  |          */ | 
            
                                                                        
                            
            
                                    
            
            
                | 182 |  |  |     public function quoteString(string $str) | 
            
                                                                        
                            
            
                                    
            
            
                | 183 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 184 |  |  |            if (is_object($GLOBALS['xoopsLogger'])) { | 
            
                                                                        
                            
            
                                    
            
            
                | 185 |  |  |              $GLOBALS['xoopsLogger']->addDeprecated(__METHOD__ ." is deprecated since XOOPS 2.5.12, use quote() instead."); | 
            
                                                                        
                            
            
                                    
            
            
                | 186 |  |  |          } | 
            
                                                                        
                            
            
                                    
            
            
                | 187 |  |  |         return $this->quote($str); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |      * Helper: normalize pagination semantics for drivers. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |      * - limit=null  => [null, null]  (no pagination) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |      * - limit>=0    => [limit, max(0, start??0)] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |     final protected function normalizeLimitStart(?int $limit, ?int $start): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |         if ($limit === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |             return [null, null]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |         $limit = max(0, $limit); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         $start = max(0, $start ?? 0); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |         return [$limit, $start]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |  * Only for backward compatibility | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |  * @deprecated | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  | class Database | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |      * @return object | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |     public function getInstance() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |         if (is_object($GLOBALS['xoopsLogger'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |             $GLOBALS['xoopsLogger']->addDeprecated(__METHOD__ . " is deprecated since XOOPS 2.5.4, please use 'XoopsDatabaseFactory::getDatabaseConnection();' instead."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |         $inst = XoopsDatabaseFactory::getDatabaseConnection(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |         return $inst; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 225 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 226 |  |  |  |