430 lines
14 KiB
PHP
430 lines
14 KiB
PHP
<?php
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class MT_Import {
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var $posts = array ();
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var $file;
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var $id;
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var $mtnames = array ();
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var $newauthornames = array ();
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var $j = -1;
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function header() {
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echo '<div class="wrap">';
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echo '<h2>'.__('Import Movable Type').'</h2>';
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}
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function footer() {
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echo '</div>';
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}
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function greet() {
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$this->header();
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?>
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<p><?php _e('Howdy! We’re about to begin the process to import all of your Movable Type entries into WordPress. To begin, select a file to upload and click Import.'); ?></p>
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<?php wp_import_upload_form( add_query_arg('step', 1) ); ?>
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<p><?php _e('The importer is smart enough not to import duplicates, so you can run this multiple times without worry if—for whatever reason—it doesn\'t finish. If you get an <strong>out of memory</strong> error try splitting up the import file into pieces.'); ?> </p>
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<?php
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$this->footer();
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}
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function users_form($n) {
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global $wpdb, $testing;
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$users = $wpdb->get_results("SELECT * FROM $wpdb->users ORDER BY ID");
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?><select name="userselect[<?php echo $n; ?>]">
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<option value="#NONE#">- Select -</option>
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<?php
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foreach ($users as $user) {
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echo '<option value="'.$user->user_login.'">'.$user->user_login.'</option>';
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}
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?>
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</select>
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<?php
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}
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//function to check the authorname and do the mapping
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function checkauthor($author) {
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global $wpdb;
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//mtnames is an array with the names in the mt import file
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$pass = 'changeme';
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if (!(in_array($author, $this->mtnames))) { //a new mt author name is found
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++ $this->j;
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$this->mtnames[$this->j] = $author; //add that new mt author name to an array
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$user_id = username_exists($this->newauthornames[$j]); //check if the new author name defined by the user is a pre-existing wp user
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if (!$user_id) { //banging my head against the desk now.
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if ($newauthornames[$this->j] == 'left_blank') { //check if the user does not want to change the authorname
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$user_id = wp_create_user($author, $pass);
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$this->newauthornames[$this->j] = $author; //now we have a name, in the place of left_blank.
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} else {
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$user_id = wp_create_user($this->newauthornames[$this->j], $pass);
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}
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} else {
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return $user_id; // return pre-existing wp username if it exists
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}
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} else {
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$key = array_search($author, $this->mtnames); //find the array key for $author in the $mtnames array
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$user_id = username_exists($this->newauthornames[$key]); //use that key to get the value of the author's name from $newauthornames
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}
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return $user_id;
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}
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function get_entries() {
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set_magic_quotes_runtime(0);
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$importdata = file($this->file); // Read the file into an array
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$importdata = implode('', $importdata); // squish it
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$importdata = preg_replace("/(\r\n|\n|\r)/", "\n", $importdata);
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$importdata = preg_replace("/\n--------\n/", "--MT-ENTRY--\n", $importdata);
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$this->posts = explode("--MT-ENTRY--", $importdata);
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}
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function get_mt_authors() {
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$temp = array ();
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$i = -1;
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foreach ($this->posts as $post) {
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if ('' != trim($post)) {
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++ $i;
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preg_match("|AUTHOR:(.*)|", $post, $thematch);
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$thematch = trim($thematch[1]);
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array_push($temp, "$thematch"); //store the extracted author names in a temporary array
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}
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}
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//we need to find unique values of author names, while preserving the order, so this function emulates the unique_value(); php function, without the sorting.
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$authors[0] = array_shift($temp);
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$y = count($temp) + 1;
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for ($x = 1; $x < $y; $x ++) {
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$next = array_shift($temp);
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if (!(in_array($next, $authors)))
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array_push($authors, "$next");
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}
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return $authors;
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}
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function get_authors_from_post() {
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$formnames = array ();
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$selectnames = array ();
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foreach ($_POST['user'] as $key => $line) {
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$newname = trim(stripslashes($line));
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if ($newname == '')
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$newname = 'left_blank'; //passing author names from step 1 to step 2 is accomplished by using POST. left_blank denotes an empty entry in the form.
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array_push($formnames, "$newname");
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} // $formnames is the array with the form entered names
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foreach ($_POST['userselect'] as $user => $key) {
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$selected = trim(stripslashes($key));
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array_push($selectnames, "$selected");
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}
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$count = count($formnames);
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for ($i = 0; $i < $count; $i ++) {
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if ($selectnames[$i] != '#NONE#') { //if no name was selected from the select menu, use the name entered in the form
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array_push($this->newauthornames, "$selectnames[$i]");
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} else {
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array_push($this->newauthornames, "$formnames[$i]");
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}
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}
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}
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function mt_authors_form() {
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?>
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<p><?php _e('To make it easier for you to edit and save the imported posts and drafts, you may want to change the name of the author of the posts. For example, you may want to import all the entries as <code>admin</code>s entries.'); ?></p>
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<p><?php _e('Below, you can see the names of the authors of the MovableType posts in <i>italics</i>. For each of these names, you can either pick an author in your WordPress installation from the menu, or enter a name for the author in the textbox.'); ?></p>
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<p><?php _e('If a new user is created by WordPress, the password will be set, by default, to "changeme". Quite suggestive, eh? ;)'); ?></p>
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<?php
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$authors = $this->get_mt_authors();
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echo '<ol id="authors">';
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echo '<form action="?import=mt&step=2&id=' . $this->id . '" method="post">';
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$j = -1;
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foreach ($authors as $author) {
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++ $j;
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echo '<li><i>'.$author.'</i><br />'.'<input type="text" value="'.$author.'" name="'.'user[]'.'" maxlength="30">';
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$this->users_form($j);
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echo '</li>';
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}
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echo '<input type="submit" value="Submit">'.'<br/>';
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echo '</form>';
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echo '</ol>';
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flush();
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}
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function select_authors() {
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$file = wp_import_handle_upload();
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if ( isset($file['error']) ) {
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echo $file['error'];
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return;
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}
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$this->file = $file['file'];
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$this->id = $file['id'];
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$this->get_entries();
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$this->mt_authors_form();
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}
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function process_posts() {
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global $wpdb;
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$i = -1;
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echo "<ol>";
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foreach ($this->posts as $post) {
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if ('' != trim($post)) {
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++ $i;
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unset ($post_categories);
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// Take the pings out first
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preg_match("|(-----\n\nPING:.*)|s", $post, $pings);
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$post = preg_replace("|(-----\n\nPING:.*)|s", '', $post);
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// Then take the comments out
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preg_match("|(-----\nCOMMENT:.*)|s", $post, $comments);
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$post = preg_replace("|(-----\nCOMMENT:.*)|s", '', $post);
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// We ignore the keywords
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$post = preg_replace("|(-----\nKEYWORDS:.*)|s", '', $post);
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// We want the excerpt
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preg_match("|-----\nEXCERPT:(.*)|s", $post, $excerpt);
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$excerpt = $wpdb->escape(trim($excerpt[1]));
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$post = preg_replace("|(-----\nEXCERPT:.*)|s", '', $post);
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// We're going to put extended body into main body with a more tag
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preg_match("|-----\nEXTENDED BODY:(.*)|s", $post, $extended);
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$extended = trim($extended[1]);
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if ('' != $extended)
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$extended = "\n<!--more-->\n$extended";
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$post = preg_replace("|(-----\nEXTENDED BODY:.*)|s", '', $post);
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// Now for the main body
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preg_match("|-----\nBODY:(.*)|s", $post, $body);
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$body = trim($body[1]);
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$post_content = $wpdb->escape($body.$extended);
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$post = preg_replace("|(-----\nBODY:.*)|s", '', $post);
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// Grab the metadata from what's left
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$metadata = explode("\n", $post);
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foreach ($metadata as $line) {
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preg_match("/^(.*?):(.*)/", $line, $token);
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$key = trim($token[1]);
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$value = trim($token[2]);
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// Now we decide what it is and what to do with it
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switch ($key) {
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case '' :
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break;
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case 'AUTHOR' :
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$post_author = $value;
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break;
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case 'TITLE' :
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$post_title = $wpdb->escape($value);
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break;
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case 'STATUS' :
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// "publish" and "draft" enumeration items match up; no change required
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$post_status = $value;
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if (empty ($post_status))
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$post_status = 'publish';
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break;
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case 'ALLOW COMMENTS' :
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$post_allow_comments = $value;
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if ($post_allow_comments == 1) {
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$comment_status = 'open';
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} else {
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$comment_status = 'closed';
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}
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break;
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case 'CONVERT BREAKS' :
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$post_convert_breaks = $value;
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break;
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case 'ALLOW PINGS' :
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$post_allow_pings = trim($meta[2][0]);
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if ($post_allow_pings == 1) {
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$post_allow_pings = 'open';
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} else {
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$post_allow_pings = 'closed';
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}
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break;
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case 'PRIMARY CATEGORY' :
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if (! empty ($value) )
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$post_categories[] = $wpdb->escape($value);
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break;
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case 'CATEGORY' :
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if (! empty ($value) )
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$post_categories[] = $wpdb->escape($value);
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break;
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case 'DATE' :
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$post_modified = strtotime($value);
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$post_modified = date('Y-m-d H:i:s', $post_modified);
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$post_modified_gmt = get_gmt_from_date("$post_modified");
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$post_date = $post_modified;
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$post_date_gmt = $post_modified_gmt;
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break;
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default :
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// echo "\n$key: $value";
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break;
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} // end switch
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} // End foreach
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// Let's check to see if it's in already
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if ($post_id = post_exists($post_title, '', $post_date)) {
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echo '<li>';
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printf(__('Post <i>%s</i> already exists.'), stripslashes($post_title));
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} else {
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echo '<li>';
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printf(__('Importing post <i>%s</i>...'), stripslashes($post_title));
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$post_author = $this->checkauthor($post_author); //just so that if a post already exists, new users are not created by checkauthor
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$postdata = compact('post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_excerpt', 'post_status', 'comment_status', 'ping_status', 'post_modified', 'post_modified_gmt');
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$post_id = wp_insert_post($postdata);
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// Add categories.
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if (0 != count($post_categories)) {
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wp_create_categories($post_categories, $post_id);
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}
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}
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$comment_post_ID = $post_id;
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// Now for comments
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$comments = explode("-----\nCOMMENT:", $comments[0]);
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$num_comments = 0;
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foreach ($comments as $comment) {
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if ('' != trim($comment)) {
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// Author
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preg_match("|AUTHOR:(.*)|", $comment, $comment_author);
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$comment_author = $wpdb->escape(trim($comment_author[1]));
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$comment = preg_replace('|(\n?AUTHOR:.*)|', '', $comment);
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preg_match("|EMAIL:(.*)|", $comment, $comment_author_email);
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$comment_author_email = $wpdb->escape(trim($comment_author_email[1]));
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$comment = preg_replace('|(\n?EMAIL:.*)|', '', $comment);
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preg_match("|IP:(.*)|", $comment, $comment_author_IP);
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$comment_author_IP = trim($comment_author_IP[1]);
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$comment = preg_replace('|(\n?IP:.*)|', '', $comment);
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preg_match("|URL:(.*)|", $comment, $comment_author_url);
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$comment_author_url = $wpdb->escape(trim($comment_author_url[1]));
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$comment = preg_replace('|(\n?URL:.*)|', '', $comment);
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preg_match("|DATE:(.*)|", $comment, $comment_date);
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$comment_date = trim($comment_date[1]);
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$comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
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$comment = preg_replace('|(\n?DATE:.*)|', '', $comment);
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$comment_content = $wpdb->escape(trim($comment));
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$comment_content = str_replace('-----', '', $comment_content);
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// Check if it's already there
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if (!comment_exists($comment_author, $comment_date)) {
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$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_content');
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$commentdata = wp_filter_comment($commentdata);
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wp_insert_comment($commentdata);
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$num_comments++;
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}
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}
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}
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if ( $num_comments )
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printf(__('(%s comments)'), $num_comments);
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// Finally the pings
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// fix the double newline on the first one
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$pings[0] = str_replace("-----\n\n", "-----\n", $pings[0]);
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$pings = explode("-----\nPING:", $pings[0]);
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$num_pings = 0;
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foreach ($pings as $ping) {
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if ('' != trim($ping)) {
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// 'Author'
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preg_match("|BLOG NAME:(.*)|", $ping, $comment_author);
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$comment_author = $wpdb->escape(trim($comment_author[1]));
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$ping = preg_replace('|(\n?BLOG NAME:.*)|', '', $ping);
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preg_match("|IP:(.*)|", $ping, $comment_author_IP);
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$comment_author_IP = trim($comment_author_IP[1]);
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$ping = preg_replace('|(\n?IP:.*)|', '', $ping);
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preg_match("|URL:(.*)|", $ping, $comment_author_url);
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$comment_author_url = $wpdb->escape(trim($comment_author_url[1]));
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$ping = preg_replace('|(\n?URL:.*)|', '', $ping);
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preg_match("|DATE:(.*)|", $ping, $comment_date);
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$comment_date = trim($comment_date[1]);
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$comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
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$ping = preg_replace('|(\n?DATE:.*)|', '', $ping);
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preg_match("|TITLE:(.*)|", $ping, $ping_title);
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$ping_title = $wpdb->escape(trim($ping_title[1]));
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$ping = preg_replace('|(\n?TITLE:.*)|', '', $ping);
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$comment_content = $wpdb->escape(trim($ping));
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$comment_content = str_replace('-----', '', $comment_content);
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$comment_content = "<strong>$ping_title</strong>\n\n$comment_content";
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$comment_type = 'trackback';
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// Check if it's already there
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if (!comment_exists($comment_author, $comment_date)) {
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$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_url', 'comment_author_email', 'comment_author_IP', 'comment_date', 'comment_content', 'comment_type');
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$commentdata = wp_filter_comment($commentdata);
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wp_insert_comment($commentdata);
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$num_pings++;
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}
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}
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}
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if ( $num_pings )
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printf(__('(%s pings)'), $num_pings);
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echo "</li>";
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}
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flush();
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}
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echo '</ol>';
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wp_import_cleanup($this->id);
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echo '<h3>'.sprintf(__('All done. <a href="%s">Have fun!</a>'), get_option('home')).'</h3>';
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}
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function import() {
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$this->id = (int) $_GET['id'];
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$this->file = get_attached_file($this->id);
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$this->get_authors_from_post();
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$this->get_entries();
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$this->process_posts();
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}
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function dispatch() {
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if (empty ($_GET['step']))
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$step = 0;
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else
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$step = (int) $_GET['step'];
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switch ($step) {
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case 0 :
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$this->greet();
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break;
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case 1 :
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$this->select_authors();
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break;
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case 2:
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$this->import();
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break;
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}
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}
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function MT_Import() {
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// Nothing.
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}
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}
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$mt_import = new MT_Import();
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register_importer('mt', 'Movable Type', __('Import posts and comments from your Movable Type blog'), array ($mt_import, 'dispatch'));
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?>
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