217 lines
7.0 KiB
PHP
217 lines
7.0 KiB
PHP
<?php
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if (!isset($_GET['s'])) {
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die('You must define a search term!');
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}
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$highlight = true;//highlight results or not
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$search_in = array('html', 'htm');//allowable filetypes to search in
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$search_dir = '..';//starting directory
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$recursive = true;//should it search recursively or not
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define('SIDE_CHARS', 15);
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$file_count = 0;
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$search_term = mb_strtolower($_GET['s'], 'UTF-8');
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if ($search_term == "?s=") {
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$search_term = "";
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}
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$search_term = preg_replace('/^\/$/', '"/"', $search_term);
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$search_term = preg_replace('/\+/', ' ', $search_term);
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$search_term_length = strlen($search_term);
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if (isset($_GET['liveCount'])){
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$search_live_count = $_GET['liveCount'];
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}
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$final_result = array();
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$search_filter_init = $_GET['filter'];
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$search_filter = preg_replace("/\*/", ".*", $search_filter_init);
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$search_template = preg_replace('/\+/', ' ', $_GET['template']);
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preg_match_all("/\#\{((?!title|href|token|count)[a-z]*)\}/", $search_template, $template_tokens);
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$template_tokens = $template_tokens[1];
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$files = list_files($search_dir);
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foreach ($files as $file) {
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if (0 == filesize($file)) {
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continue;
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}
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if (!preg_match("/" . $search_filter . "/", $file)) {
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continue;
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}
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$contents = file_get_contents($file);
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preg_match("/\<title\>(.*)\<\/title\>/", $contents, $page_title); //getting page title
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if (preg_match("#\<body.*\>(.*)\<\/body\>#si", $contents, $body_content)) { //getting content only between <body></body> tags
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$clean_content = strip_tags($body_content[0]); //remove html tags
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$clean_content = preg_replace('/\s+/', ' ', $clean_content); //remove duplicate whitespaces, carriage returns, tabs, etc
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$found = strpos_recursive(mb_strtolower($clean_content, 'UTF-8'), $search_term);
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$final_result[$file_count]['page_title'][] = $page_title[1];
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$final_result[$file_count]['file_name'][] = preg_replace("/^.{3}/", "\\1", $file);
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}
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for ($j = 0; $j < count($template_tokens); $j++) {
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if (preg_match("/\<meta\s+name=[\'|\"]" . $template_tokens[$j] . "[\'|\"]\s+content=[\'|\"](.*)[\'|\"]\>/", $contents, $res)) {
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$final_result[$file_count][$template_tokens[$j]] = $res[1];
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}
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}
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if ($found && !empty($found)) {
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for ($z = 0; $z < count($found[0]); $z++) {
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$pos = $found[0][$z][1];
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$side_chars = SIDE_CHARS;
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if ($pos < SIDE_CHARS) {
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$side_chars = $pos;
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if (isset($_GET['liveSearch']) and $_GET['liveSearch'] != "") {
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$pos_end = SIDE_CHARS + $search_term_length + 15;
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} else {
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$pos_end = SIDE_CHARS * 9 + $search_term_length;
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}
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} else {
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if (isset($_GET['liveSearch']) and $_GET['liveSearch'] != "") {
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$pos_end = SIDE_CHARS + $search_term_length + 15;
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} else {
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$pos_end = SIDE_CHARS * 9 + $search_term_length;
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}
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}
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$pos_start = $pos - $side_chars;
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$str = substr($clean_content, $pos_start, $pos_end);
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$result = preg_replace('#' . $search_term . '#ui', '<span class="search">\0</span>', $str);
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//$result = preg_replace('#'.$search_term.'#ui', '<span class="search">'.$search_term.'</span>', $str);
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$final_result[$file_count]['search_result'][] = $result;
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}
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} else {
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$final_result[$file_count]['search_result'][] = '';
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}
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$file_count++;
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}
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if ($file_count > 0) {
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//Sort final result
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foreach ($final_result as $key => $row) {
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$search_result[$key] = $row['search_result'];
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}
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array_multisort($search_result, SORT_DESC, $final_result);
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}
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?>
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<div id="search-results">
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<?php if (count($final_result) > 0 and isset($_GET['liveSearch']) and $_GET['liveSearch'] != "") {
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echo "<div class='search-quick-result'>Quick Results</div>";
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} ?>
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<ol class="search-list">
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<?php
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$sum_of_results = 0;
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$match_count = 0;
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for ($i = 0; $i < count($final_result); $i++) {
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if (!empty($final_result[$i]['search_result'][0]) || $final_result[$i]['search_result'][0] !== '') {
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$match_count++;
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$sum_of_results += count($final_result[$i]['search_result']);
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if (isset($_GET['liveSearch']) and $_GET['liveSearch'] != "" and $i >= $search_live_count) {
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} else {
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?>
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<li class="search-list-item">
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<?php
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$replacement = [$final_result[$i]['page_title'][0],
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$final_result[$i]['file_name'][0],
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$final_result[$i]['search_result'][0],
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count($final_result[$i]['search_result'])
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];
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$template = preg_replace(["/#{title}/","/#{href}/","/#{token}/","/#{count}/"],$replacement, $search_template);
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for ($k = 0; $k < count($template_tokens); $k++){
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if (isset($final_result[$i][$template_tokens[$k]])){
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$template = preg_replace("/#{" . $template_tokens[$k] . "}/", $final_result[$i][$template_tokens[$k]], $template);
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}else{
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$template = preg_replace("/#{" . $template_tokens[$k] . "}/", " ", $template);
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}
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}
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echo $template; ?>
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</li>
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<?php
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}
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}
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}
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if ($match_count == 0) {
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echo '<li><div class="search-error">No results found for "<span class="search">' . $search_term . '</span>"<div/></li>';
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}
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?>
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<?php
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if (isset($_GET['liveSearch']) and $_GET['liveSearch'] != "" and $match_count != 0) {
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?>
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<li class="search-list-item-all">
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<a href='search-results.html?s=<?php echo $_GET['s']; ?>&filter=<?php echo $search_filter_init; ?>' class="search-submit">
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<?php
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echo "See other ";
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echo $sum_of_results;
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echo $sum_of_results < 2 ? " result on " : " results";
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?>
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</a>
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</li>
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<?php
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}
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?>
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</ol>
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</div>
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<?php
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//lists all the files in the directory given (and sub-directories if it is enabled)
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function list_files($dir)
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{
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global $recursive, $search_in;
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$result = array();
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if (is_dir($dir)) {
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if ($dh = opendir($dir)) {
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while (($file = readdir($dh)) !== false) {
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if (!($file == '.' || $file == '..')) {
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$file = $dir . '/' . $file;
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if (is_dir($file) && $recursive == true && $file != './.' && $file != './..') {
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$result = array_merge($result, list_files($file));
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} else if (!is_dir($file)) {
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if (in_array(get_file_extension($file), $search_in)) {
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$result[] = $file;
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}
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}
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}
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}
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}
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}
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return $result;
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}
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//returns the extention of a file
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function get_file_extension($filename)
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{
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$result = '';
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$parts = explode('.', $filename);
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if (is_array($parts) && count($parts) > 1) {
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$result = end($parts);
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}
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return $result;
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}
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function strpos_recursive($haystack, $needle, $offset = 0, &$results = array())
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{
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$offset = stripos($haystack, $needle, $offset);
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if ($offset === false) {
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return $results;
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} else {
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$pattern = '/' . $needle . '/ui';
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preg_match_all($pattern, $haystack, $results, PREG_OFFSET_CAPTURE);
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return $results;
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}
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}
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?>
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