XoopsModules25x /
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| Total Complexity | 50 |
| Total Lines | 373 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like SysUtility often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use SysUtility, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 37 | class SysUtility |
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| 38 | { |
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| 39 | use VersionChecks; |
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introduced
by
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| 40 | |||
| 41 | //checkVerXoops, checkVerPhp Traits |
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| 42 | |||
| 43 | use ServerStats; |
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| 44 | |||
| 45 | // getServerStats Trait |
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| 46 | |||
| 47 | use FilesManagement; |
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| 48 | |||
| 49 | // Files Management Trait |
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| 50 | // use ModuleStats; // ModuleStats Trait |
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| 51 | |||
| 52 | //--------------- Common module methods ----------------------------- |
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| 53 | |||
| 54 | /** |
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| 55 | * Access the only instance of this class |
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| 56 | * |
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| 57 | * |
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| 58 | */ |
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| 59 | public static function getInstance(): SysUtility |
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| 60 | { |
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| 61 | static $instance; |
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| 62 | if (null === $instance) { |
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| 63 | $instance = new static(); |
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| 64 | } |
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| 65 | |||
| 66 | return $instance; |
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| 67 | } |
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| 68 | |||
| 69 | public static function selectSorting(string $text, string $form_sort): string |
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| 70 | { |
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| 71 | global $start, $order, $sort; |
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| 72 | |||
| 73 | $selectView = ''; |
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| 74 | $helper = Helper::getInstance(); |
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| 75 | |||
| 76 | //$pathModIcon16 = XOOPS_URL . '/modules/' . $moduleDirName . '/' . $helper->getConfig('modicons16'); |
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| 77 | $pathModIcon16 = $helper->url($helper->getModule()->getInfo('modicons16')); |
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| 78 | |||
| 79 | $selectView = '<form name="form_switch" id="form_switch" action="' . Request::getString('REQUEST_URI', '', 'SERVER') . '" method="post"><span style="font-weight: bold;">' . $text . '</span>'; |
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| 80 | //$sorts = $sort == 'asc' ? 'desc' : 'asc'; |
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| 81 | if ($form_sort == $sort) { |
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| 82 | $sel1 = 'asc' === $order ? 'selasc.png' : 'asc.png'; |
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| 83 | $sel2 = 'desc' === $order ? 'seldesc.png' : 'desc.png'; |
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| 84 | } else { |
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| 85 | $sel1 = 'asc.png'; |
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| 86 | $sel2 = 'desc.png'; |
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| 87 | } |
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| 88 | $selectView .= ' <a href="' . Request::getString('SCRIPT_NAME', '', 'SERVER') . '?start=' . $start . '&sort=' . $form_sort . '&order=asc"><img src="' . $pathModIcon16 . '/' . $sel1 . '" title="ASC" alt="ASC"></a>'; |
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| 89 | $selectView .= '<a href="' . Request::getString('SCRIPT_NAME', '', 'SERVER') . '?start=' . $start . '&sort=' . $form_sort . '&order=desc"><img src="' . $pathModIcon16 . '/' . $sel2 . '" title="DESC" alt="DESC"></a>'; |
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| 90 | $selectView .= '</form>'; |
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| 91 | |||
| 92 | return $selectView; |
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| 93 | } |
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| 94 | |||
| 95 | /***************Blocks***************/ |
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| 96 | public static function blockAddCatSelect(array $cats): string |
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| 109 | } |
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| 110 | |||
| 111 | public static function metaKeywords(string $content): void |
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| 112 | { |
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| 113 | global $xoopsTpl, $xoTheme; |
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| 114 | $myts = \MyTextSanitizer::getInstance(); |
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| 115 | $content = $myts->undoHtmlSpecialChars($myts->displayTarea($content)); |
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| 116 | if (\is_object($xoTheme)) { |
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| 117 | $xoTheme->addMeta('meta', 'keywords', \strip_tags($content)); |
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| 118 | } else { // Compatibility for old Xoops versions |
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| 119 | $xoopsTpl->assign('xoops_metaKeywords', \strip_tags($content)); |
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| 120 | } |
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| 121 | } |
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| 122 | |||
| 123 | public static function metaDescription(string $content): void |
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| 124 | { |
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| 125 | global $xoopsTpl, $xoTheme; |
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| 126 | $myts = \MyTextSanitizer::getInstance(); |
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| 127 | $content = $myts->undoHtmlSpecialChars($myts->displayTarea($content)); |
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| 128 | if (\is_object($xoTheme)) { |
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| 129 | $xoTheme->addMeta('meta', 'description', \strip_tags($content)); |
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| 130 | } else { // Compatibility for old Xoops versions |
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| 131 | $xoopsTpl->assign('xoops_metaDescription', \strip_tags($content)); |
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| 132 | } |
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| 133 | } |
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| 134 | |||
| 135 | public static function enumerate(string $tableName, string $columnName): ?array |
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| 136 | { |
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| 137 | $table = $GLOBALS['xoopsDB']->prefix($tableName); |
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| 138 | |||
| 139 | // $result = $GLOBALS['xoopsDB']->query("SELECT COLUMN_TYPE FROM INFORMATION_SCHEMA.COLUMNS |
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| 140 | // WHERE TABLE_NAME = '" . $table . "' AND COLUMN_NAME = '" . $columnName . "'") |
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| 141 | // || exit ($GLOBALS['xoopsDB']->error()); |
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| 142 | |||
| 143 | $sql = 'SELECT COLUMN_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = "' . $table . '" AND COLUMN_NAME = "' . $columnName . '"'; |
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| 144 | $result = $GLOBALS['xoopsDB']->query($sql); |
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| 145 | if (!$result instanceof \mysqli_result) { |
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| 146 | // exit($GLOBALS['xoopsDB']->error()); |
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| 147 | $logger = \XoopsLogger::getInstance(); |
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| 148 | $logger->handleError(\E_USER_WARNING, $sql, __FILE__, __LINE__); |
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| 149 | return null; |
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| 150 | } |
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| 151 | |||
| 152 | $row = $GLOBALS['xoopsDB']->fetchBoth($result); |
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| 153 | $enumList = \explode(',', \str_replace("'", '', \mb_substr($row['COLUMN_TYPE'], 5, -6))); |
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| 154 | return $enumList; |
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| 155 | } |
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| 156 | |||
| 157 | /** |
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| 158 | * Clone a record in a dB |
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| 159 | * |
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| 160 | * @TODO need to exit more gracefully on error. Should throw/trigger error and then return false |
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| 161 | * |
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| 162 | * @param string $tableName name of dB table (without prefix) |
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| 163 | * @param string $idField name of field (column) in dB table |
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| 164 | * @param int $id item id to clone |
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| 165 | */ |
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| 166 | public static function cloneRecord(string $tableName, string $idField, int $id): ?int |
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| 167 | { |
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| 168 | $newId = null; |
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| 169 | $tempTable = ''; |
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| 170 | $table = $GLOBALS['xoopsDB']->prefix($tableName); |
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| 171 | // copy content of the record you wish to clone |
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| 172 | $sql = "SELECT * FROM $table WHERE $idField='" . $id . "' "; |
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| 173 | $result = $GLOBALS['xoopsDB']->query($sql); |
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| 174 | |||
| 175 | if ($result instanceof \mysqli_result) { |
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| 176 | $tempTable = $GLOBALS['xoopsDB']->fetchArray($result, \MYSQLI_ASSOC); |
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| 177 | } |
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| 178 | |||
| 179 | if (!$tempTable) { |
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| 180 | exit($GLOBALS['xoopsDB']->error()); |
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| 181 | } |
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| 182 | // set the auto-incremented id's value to blank. |
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| 183 | unset($tempTable[$idField]); |
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| 184 | // insert cloned copy of the original record |
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| 185 | $sql = "INSERT INTO $table (" . \implode(', ', \array_keys($tempTable)) . ") VALUES ('" . \implode("', '", $tempTable) . "')"; |
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| 186 | $result = $GLOBALS['xoopsDB']->queryF($sql); |
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| 187 | if (!$result) { |
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| 188 | exit($GLOBALS['xoopsDB']->error()); |
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| 189 | } |
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| 190 | // Return the new id |
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| 191 | $newId = $GLOBALS['xoopsDB']->getInsertId(); |
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| 192 | return $newId; |
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| 193 | } |
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| 194 | |||
| 195 | /** |
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| 196 | * truncateHtml can truncate a string up to a number of characters while preserving whole words and HTML tags |
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| 197 | * www.gsdesign.ro/blog/cut-html-string-without-breaking-the-tags |
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| 198 | * www.cakephp.org |
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| 199 | * |
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| 200 | * @TODO: Refactor to consider HTML5 & void (self-closing) elements |
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| 201 | * @TODO: Consider using https://github.com/jlgrall/truncateHTML/blob/master/truncateHTML.php |
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| 202 | * |
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| 203 | * @param string $text String to truncate. |
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| 204 | * @param int|null $length Length of returned string, including ellipsis. |
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| 205 | * @param string $ending Ending to be appended to the trimmed string. |
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| 206 | * @param bool $exact If false, $text will not be cut mid-word |
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| 207 | * @param bool $considerHtml If true, HTML tags would be handled correctly |
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| 208 | * |
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| 209 | * @return string Trimmed string. |
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| 210 | */ |
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| 211 | public static function truncateHtml( |
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| 212 | string $text, |
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| 213 | ?int $length = 100, |
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| 214 | string $ending = '...', |
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| 215 | bool $exact = false, |
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| 216 | bool $considerHtml = true |
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| 217 | ): string { |
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| 218 | $openTags = []; |
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| 219 | if ($considerHtml) { |
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| 220 | // if the plain text is shorter than the maximum length, return the whole text |
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| 221 | if (\mb_strlen(\preg_replace('/<.*?' . '>/', '', $text)) <= $length) { |
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| 222 | return $text; |
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| 223 | } |
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| 224 | // splits all html-tags to scanable lines |
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| 225 | \preg_match_all('/(<.+?' . '>)?([^<>]*)/s', $text, $lines, \PREG_SET_ORDER); |
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| 226 | $totalLength = \mb_strlen($ending); |
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| 227 | //$openTags = []; |
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| 228 | $truncate = ''; |
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| 229 | foreach ($lines as $lineMatchings) { |
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| 230 | // if there is any html-tag in this line, handle it and add it (uncounted) to the output |
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| 231 | if (!empty($lineMatchings[1])) { |
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| 232 | // if it's an "empty element" with or without xhtml-conform closing slash |
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| 233 | if (\preg_match('/^<(\s*.+?\/\s*|\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\s.+?)?)>$/is', $lineMatchings[1])) { |
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| 234 | // do nothing |
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| 235 | // if tag is a closing tag |
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| 236 | } elseif (\preg_match('/^<\s*\/(\S+?)\s*>$/s', $lineMatchings[1], $tagMatchings)) { |
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| 237 | // delete tag from $openTags list |
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| 238 | $pos = \array_search($tagMatchings[1], $openTags, true); |
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| 239 | if (false !== $pos) { |
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| 240 | unset($openTags[$pos]); |
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| 241 | } |
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| 242 | // if tag is an opening tag |
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| 243 | } elseif (\preg_match('/^<\s*([^\s>!]+).*?' . '>$/s', $lineMatchings[1], $tagMatchings)) { |
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| 244 | // add tag to the beginning of $openTags list |
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| 245 | \array_unshift($openTags, \mb_strtolower($tagMatchings[1])); |
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| 246 | } |
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| 247 | // add html-tag to $truncate'd text |
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| 248 | $truncate .= $lineMatchings[1]; |
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| 249 | } |
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| 250 | // calculate the length of the plain text part of the line; handle entities as one character |
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| 251 | $contentLength = \mb_strlen(\preg_replace('/&[0-9a-z]{2,8};|&#\d{1,7};|[0-9a-f]{1,6};/i', ' ', $lineMatchings[2])); |
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| 252 | if ($totalLength + $contentLength > $length) { |
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| 253 | // the number of characters which are left |
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| 254 | $left = $length - $totalLength; |
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| 255 | $entitiesLength = 0; |
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| 256 | // search for html entities |
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| 257 | if (\preg_match_all('/&[0-9a-z]{2,8};|&#\d{1,7};|[0-9a-f]{1,6};/i', $lineMatchings[2], $entities, \PREG_OFFSET_CAPTURE)) { |
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| 258 | // calculate the real length of all entities in the legal range |
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| 259 | foreach ($entities[0] as $entity) { |
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| 260 | if ($left >= $entity[1] + 1 - $entitiesLength) { |
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| 261 | $left--; |
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| 262 | $entitiesLength += \mb_strlen($entity[0]); |
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| 263 | } else { |
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| 264 | // no more characters left |
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| 265 | break; |
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| 266 | } |
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| 267 | } |
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| 268 | } |
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| 269 | $truncate .= \mb_substr($lineMatchings[2], 0, $left + $entitiesLength); |
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| 270 | // maximum length is reached, so get off the loop |
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| 271 | break; |
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| 272 | } |
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| 273 | $truncate .= $lineMatchings[2]; |
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| 274 | $totalLength += $contentLength; |
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| 275 | |||
| 276 | // if the maximum length is reached, get off the loop |
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| 277 | if ($totalLength >= $length) { |
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| 278 | break; |
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| 279 | } |
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| 280 | } |
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| 281 | } else { |
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| 282 | if (\mb_strlen($text) <= $length) { |
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| 283 | return $text; |
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| 284 | } |
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| 285 | $truncate = \mb_substr($text, 0, $length - \mb_strlen($ending)); |
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| 286 | } |
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| 287 | // if the words shouldn't be cut in the middle... |
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| 288 | if (!$exact) { |
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| 289 | // ...search the last occurance of a space... |
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| 290 | $spacepos = \mb_strrpos($truncate, ' '); |
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| 291 | if (isset($spacepos)) { |
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| 292 | // ...and cut the text in this position |
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| 293 | $truncate = \mb_substr($truncate, 0, $spacepos); |
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| 294 | } |
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| 295 | } |
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| 296 | // add the defined ending to the text |
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| 297 | $truncate .= $ending; |
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| 298 | if ($considerHtml) { |
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| 299 | // close all unclosed html-tags |
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| 300 | foreach ($openTags as $tag) { |
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| 301 | $truncate .= '</' . $tag . '>'; |
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| 302 | } |
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| 303 | } |
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| 304 | |||
| 305 | return $truncate; |
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| 306 | } |
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| 307 | |||
| 308 | /** |
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| 309 | * Get correct text editor based on user rights |
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| 310 | * |
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| 311 | * @return \XoopsFormDhtmlTextArea|\XoopsFormEditor |
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| 312 | */ |
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| 313 | public static function getEditor(?\Xmf\Module\Helper $helper = null, ?array $options = null): ?\XoopsFormTextArea |
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| 346 | } |
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| 347 | |||
| 348 | /** |
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| 349 | * Check if column in dB table exists |
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| 350 | * |
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| 351 | * @param string $fieldname name of dB table field |
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| 352 | * @param string $table name of dB table (including prefix) |
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| 353 | * |
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| 354 | * @return bool true if table exists |
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| 355 | * @deprecated |
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| 356 | */ |
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| 357 | public static function fieldExists(string $fieldname, string $table): bool |
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| 358 | { |
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| 359 | $trace = \debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 1); |
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| 360 | \trigger_error(__METHOD__ . " is deprecated, use Xmf\Database\Tables instead - instantiated from {$trace[0]['file']} line {$trace[0]['line']},"); |
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| 361 | |||
| 362 | $result = $GLOBALS['xoopsDB']->queryF("SHOW COLUMNS FROM $table LIKE '$fieldname'"); |
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| 363 | return ($GLOBALS['xoopsDB']->getRowsNum($result) > 0); |
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| 364 | } |
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| 365 | |||
| 366 | /** |
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| 367 | * Function responsible for checking if a directory exists, we can also write in and create an index.html file |
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| 368 | * |
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| 369 | * @param string $folder The full path of the directory to check |
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| 370 | */ |
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| 371 | public static function prepareFolder(string $folder): void |
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| 372 | { |
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| 373 | try { |
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| 374 | if (!@\mkdir($folder) && !\is_dir($folder)) { |
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| 375 | throw new \RuntimeException(\sprintf('Unable to create the %s directory', $folder)); |
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| 376 | } |
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| 377 | file_put_contents($folder . '/index.html', '<script>history.go(-1);</script>'); |
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| 378 | } catch (\Exception $e) { |
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| 379 | echo 'Caught exception: ', $e->getMessage(), "\n", '<br>'; |
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| 380 | } |
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| 381 | } |
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| 382 | |||
| 383 | /** |
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| 384 | * Check if dB table exists |
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| 385 | * |
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| 386 | * @param string $tablename dB tablename with prefix |
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| 387 | * @return bool true if table exists |
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| 388 | */ |
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| 389 | public static function tableExists(string $tablename): bool |
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| 399 | } |
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| 400 | |||
| 401 | /** |
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| 402 | * Add a field to a mysql table |
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| 403 | * |
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| 404 | * @return bool|\mysqli_result |
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| 405 | */ |
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| 406 | public static function addField(string $field, string $table) |
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| 410 | } |
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| 411 | } |
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| 412 |
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