269 lines
7.2 KiB
PHP
269 lines
7.2 KiB
PHP
<?php
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/**
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* Set up fresh WordPress data quickly and easily.
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*/
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class PostFixtures {
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var $messages;
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/**
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* Initialize the plugin.
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*/
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function init() {
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add_action('admin_menu', array(&$this, 'admin_menu'));
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add_action('admin_notices', array(&$this, 'admin_notices'));
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add_action("admin_enqueue_scripts", array(&$this, 'admin_enqueue_scripts'), 10, 1);
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}
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/**
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* Print any admin notices.
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*/
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function admin_notices() {
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if (!empty($this->messages)) { ?>
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<div class="fade updated">
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<?php foreach ($this->messages as $message) { ?>
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<p><?php echo $message ?></p>
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<?php } ?>
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</div>
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<?php }
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}
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/**
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* Handle an update.
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* @param array $info The post info.
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*/
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function handle_update($info) {
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if (isset($info['is_ok'])) {
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$data = $this->parse_json(stripslashes($info['data']));
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if (!empty($data)) {
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$data = $this->process_data($data);
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$this->remove();
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$this->create($data);
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$this->messages[] = __("New data set loaded into WordPress.", 'post-fixtures');
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} else {
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$this->messages[] = __("Data is not valid JSON.", 'post-fixtures');
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}
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}
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}
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/**
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* Handle the admin_menu action.
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*/
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function admin_menu() {
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global $plugin_page;
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$this->hook_suffix = add_submenu_page('tools.php', __('Post Fixtures', 'post-fixtures'), __('Post Fixtures', 'post-fixtures'), 'manage_options', 'post-fixtures', array(&$this, 'render_admin'));
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if (isset($_POST['pf'])) {
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if (isset($_POST['pf']['_nonce'])) {
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if (wp_verify_nonce($_POST['pf']['_nonce'], 'post-fixtures')) {
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$this->handle_update($_POST['pf']);
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}
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}
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}
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}
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/**
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* Handle the admin_enqueue_scripts action.
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* @param string $hook_suffix The hook suffix for the page being loaded.
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*/
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function admin_enqueue_scripts($hook_suffix) {
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if ($this->hook_suffix == $hook_suffix) {
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wp_enqueue_script('jquery');
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wp_enqueue_style('post-fixtures', plugin_dir_url(dirname(__FILE__)) . 'style.css');
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}
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}
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/**
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* Render the admin page.
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*/
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function render_admin() {
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include(dirname(__FILE__) . '/partials/admin.inc');
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}
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// data handling
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/**
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* Parse incoming JSON data.
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* @param string $input The JSON data to parse.
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* @return array|false An array of JSON data, or false if invalid.
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*/
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function parse_json($input) {
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if (($data = json_decode($input)) !== false) {
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if (is_array($data) || is_object($data)) {
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return (array)$data;
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}
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}
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return false;
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}
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/**
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* Remove all posts in the database.
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* This is done via the WP interface so that associated comments are also deleted.
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*/
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function remove_all_posts() {
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if (is_array($posts = get_posts(array('numberposts' => '-1', 'post_status' => 'draft,pending,future,inherit,private,publish')))) {
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foreach ($posts as $post) { wp_delete_post($post->ID); }
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}
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}
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/**
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* Remove all categories in the database.
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*/
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function remove_all_categories() {
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foreach (get_all_category_ids() as $id) {
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wp_delete_category($id);
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}
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}
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/**
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* Process the provided data and assemble a list of objects to create in the database.
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* @param array $data The data to parse.
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* @return array The list of objects to create.
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*/
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function process_data($data) {
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$posts = $categories = $options = array();
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foreach ($data as $type => $info) {
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switch ($type) {
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case 'posts':
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$posts = $info;
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foreach ($posts as $post) {
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$post = (array)$post;
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if (isset($post['categories'])) {
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$categories = array_merge($categories, $post['categories']);
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}
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}
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break;
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case 'options':
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$options = $info;
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break;
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}
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}
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$categories = array_unique($categories);
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return compact('posts', 'categories', 'options');
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}
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/**
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* The categories to create.
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* Categories are passed as name/name/name, with parent -> child relationships being constructed as necessary.
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*/
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function create_categories($categories) {
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$category_ids_by_slug = array();
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if (is_array($categories)) {
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foreach ($categories as $category) {
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$nodes = explode('/', $category);
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$parent = 0;
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$joined_nodes = array();
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foreach ($nodes as $node) {
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$joined_nodes[] = $node;
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$parent = $category_ids_by_slug[implode('/', $joined_nodes)] = wp_insert_category(array('cat_name' => $node, 'slug' => $node, 'category_parent' => $parent));
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}
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}
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}
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return $category_ids_by_slug;
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}
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/**
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* The posts to create.
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* Post data is passed in just as if you were using wp_insert_post().
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* Categories are assigned using slug names separated by commas.
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*/
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function create_posts($posts, $categories) {
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$post_ids_created = array();
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if (is_array($posts)) {
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foreach ($posts as $post) {
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$post = (array)$post;
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if (!isset($post['post_status'])) {
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$post['post_status'] = 'publish';
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}
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$id = wp_insert_post($post);
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if ($id != 0) {
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$post_ids_created[] = $id;
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if (isset($post['categories'])) {
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$all_categories = array();
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foreach ($post['categories'] as $slug) {
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if (isset($categories[$slug])) {
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$all_categories[] = $categories[$slug];
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}
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}
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wp_set_post_categories($id, $all_categories);
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} else {
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wp_set_post_categories($id, array(get_option('default_category')));
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}
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if (isset($post['metadata'])) {
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foreach ($post['metadata'] as $key => $value) {
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update_post_meta($id, $key, $value);
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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 $post_ids_created;
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}
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/**
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* Create everything from the provided data.
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* @param array $data The data to use in creation.
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*/
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function create($data) {
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$categories_by_slug = $this->create_categories($data['categories']);
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$this->create_posts($data['posts'], $categories_by_slug);
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$this->process_blog_options($data['options'], $categories_by_slug);
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}
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/**
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* Remove everything from the WordPress database that Post Fixures handles.
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*/
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function remove() {
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$this->remove_all_posts();
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$this->remove_all_categories();
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}
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/**
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* Update the provided blog options.
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* Option values can have other values injected into them. Currently only category slug names are available.
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* @param array $options The options to set or unset. Pass in `false` to unset them.
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* @param array $categories The list of categories to work with in string replacement.
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*/
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function process_blog_options($options, $categories) {
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$this->_category = $categories;
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foreach ($options as $option => $value) {
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if ($value === false) {
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delete_option($option);
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} else {
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$value = preg_replace_callback('#\$\{([^\}]+)\}#', array(&$this, '_process_blog_options_callback'), $value);
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update_option($option, $value);
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}
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}
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unset($this->_category);
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}
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/**
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* Callback for process_blog_options
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* @param array $matches Matches from preg_replace_callback
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* @return string The replacement value for the match.
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*/
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function _process_blog_options_callback($matches) {
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$value = $matches[0];
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$parts = explode(':', $matches[1]);
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if (count($parts) > 1) {
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$source = strtolower(array_shift($parts));
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switch ($source) {
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case 'cat': $source = 'category'; break;
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}
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if (count($parts) == 1) {
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$index = reset($parts);
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if (isset($this->{"_${source}"})) {
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if (isset($this->{"_${source}"}[$index])) {
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$value = $this->{"_${source}"}[$index];
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}
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}
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}
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}
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return $value;
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}
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}
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