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<?php |
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namespace XoopsModules\Wflinks\Common; |
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/* |
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Utility Class Definition |
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You may not change or alter any portion of this comment or credits of |
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supporting developers from this source code or any supporting source code |
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which is considered copyrighted (c) material of the original comment or credit |
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authors. |
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This program is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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*/ |
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/** |
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* |
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* @license https://www.fsf.org/copyleft/gpl.html GNU public license |
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* @copyright https://xoops.org 2000-2020 © XOOPS Project |
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* @author ZySpec <[email protected]> |
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* @author Mamba <[email protected]> |
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*/ |
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use MyTextSanitizer; |
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use XoopsFormDhtmlTextArea; |
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use XoopsFormTextArea; |
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use XoopsModules\Wflinks\{Helper |
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}; |
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/** |
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* Class SysUtility |
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*/ |
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class SysUtility |
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{ |
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use VersionChecks; |
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//checkVerXoops, checkVerPhp Traits |
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use ServerStats; |
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// getServerStats Trait |
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use FilesManagement; |
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// Files Management Trait |
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/** |
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* truncateHtml can truncate a string up to a number of characters while preserving whole words and HTML tags |
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* www.gsdesign.ro/blog/cut-html-string-without-breaking-the-tags |
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* www.cakephp.org |
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* |
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* @param string $text String to truncate. |
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* @param int $length Length of returned string, including ellipsis. |
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* @param string $ending Ending to be appended to the trimmed string. |
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* @param bool $exact If false, $text will not be cut mid-word |
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* @param bool $considerHtml If true, HTML tags would be handled correctly |
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* |
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* @return string Trimmed string. |
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*/ |
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public static function truncateHtml($text, $length = 100, $ending = '...', $exact = false, $considerHtml = true) |
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{ |
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if ($considerHtml) { |
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// if the plain text is shorter than the maximum length, return the whole text |
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if (mb_strlen(\preg_replace('/<.*?' . '>/', '', $text)) <= $length) { |
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return $text; |
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} |
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// splits all html-tags to scanable lines |
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\preg_match_all('/(<.+?' . '>)?([^<>]*)/s', $text, $lines, \PREG_SET_ORDER); |
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$total_length = mb_strlen($ending); |
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$open_tags = []; |
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$truncate = ''; |
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foreach ($lines as $line_matchings) { |
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// if there is any html-tag in this line, handle it and add it (uncounted) to the output |
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if (!empty($line_matchings[1])) { |
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// if it's an "empty element" with or without xhtml-conform closing slash |
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if (\preg_match('/^<(\s*.+?\/\s*|\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\s.+?)?)>$/is', $line_matchings[1])) { |
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// do nothing |
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// if tag is a closing tag |
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} elseif (\preg_match('/^<\s*\/([^\s]+?)\s*>$/s', $line_matchings[1], $tag_matchings)) { |
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// delete tag from $open_tags list |
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$pos = \array_search($tag_matchings[1], $open_tags, true); |
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if (false !== $pos) { |
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unset($open_tags[$pos]); |
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} |
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// if tag is an opening tag |
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} elseif (\preg_match('/^<\s*([^\s>!]+).*?' . '>$/s', $line_matchings[1], $tag_matchings)) { |
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// add tag to the beginning of $open_tags list |
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\array_unshift($open_tags, mb_strtolower($tag_matchings[1])); |
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} |
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// add html-tag to $truncate'd text |
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$truncate .= $line_matchings[1]; |
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} |
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// calculate the length of the plain text part of the line; handle entities as one character |
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$content_length = mb_strlen(\preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', ' ', $line_matchings[2])); |
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if ($total_length + $content_length > $length) { |
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// the number of characters which are left |
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$left = $length - $total_length; |
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$entities_length = 0; |
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// search for html entities |
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if (\preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', $line_matchings[2], $entities, \PREG_OFFSET_CAPTURE)) { |
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// calculate the real length of all entities in the legal range |
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foreach ($entities[0] as $entity) { |
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if ($left >= $entity[1] + 1 - $entities_length) { |
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$left--; |
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$entities_length += mb_strlen($entity[0]); |
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} else { |
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// no more characters left |
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break; |
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} |
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} |
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} |
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$truncate .= mb_substr($line_matchings[2], 0, $left + $entities_length); |
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// maximum lenght is reached, so get off the loop |
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break; |
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} |
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$truncate .= $line_matchings[2]; |
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$total_length += $content_length; |
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// if the maximum length is reached, get off the loop |
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if ($total_length >= $length) { |
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break; |
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} |
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} |
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} else { |
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if (mb_strlen($text) <= $length) { |
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return $text; |
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} |
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$truncate = mb_substr($text, 0, $length - mb_strlen($ending)); |
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} |
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// if the words shouldn't be cut in the middle... |
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if (!$exact) { |
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// ...search the last occurance of a space... |
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$spacepos = mb_strrpos($truncate, ' '); |
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if (isset($spacepos)) { |
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// ...and cut the text in this position |
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$truncate = mb_substr($truncate, 0, $spacepos); |
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} |
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} |
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// add the defined ending to the text |
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$truncate .= $ending; |
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if ($considerHtml) { |
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// close all unclosed html-tags |
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foreach ($open_tags as $tag) { |
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$truncate .= '</' . $tag . '>'; |
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} |
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} |
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return $truncate; |
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} |
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/** |
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* @param \Xmf\Module\Helper $helper |
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* @param array|null $options |
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* @return \XoopsFormDhtmlTextArea|\XoopsFormEditor |
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*/ |
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public static function getEditor($helper = null, $options = null) |
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{ |
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/** @var Helper $helper */ |
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if (null === $options) { |
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$options = []; |
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$options['name'] = 'Editor'; |
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$options['value'] = 'Editor'; |
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$options['rows'] = 10; |
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$options['cols'] = '100%'; |
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$options['width'] = '100%'; |
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$options['height'] = '400px'; |
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} |
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if (null === $helper) { |
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$helper = Helper::getInstance(); |
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} |
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$isAdmin = $helper->isUserAdmin(); |
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if (\class_exists('XoopsFormEditor')) { |
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if ($isAdmin) { |
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$descEditor = new \XoopsFormEditor(\ucfirst($options['name']), $helper->getConfig('editorAdmin'), $options, $nohtml = false, $onfailure = 'textarea'); |
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} else { |
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$descEditor = new \XoopsFormEditor(\ucfirst($options['name']), $helper->getConfig('editorUser'), $options, $nohtml = false, $onfailure = 'textarea'); |
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} |
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} else { |
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$descEditor = new \XoopsFormDhtmlTextArea(\ucfirst($options['name']), $options['name'], $options['value'], '100%', '100%'); |
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} |
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// $form->addElement($descEditor); |
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return $descEditor; |
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} |
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/** |
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* @param $fieldname |
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* @param $table |
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* |
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* @return bool |
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*/ |
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public function fieldExists($fieldname, $table) |
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{ |
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global $xoopsDB; |
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$result = $xoopsDB->queryF("SHOW COLUMNS FROM $table LIKE '$fieldname'"); |
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return ($xoopsDB->getRowsNum($result) > 0); |
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} |
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} |
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mambax7 /
wflinks
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