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- <?php
-
- //
- // Category
- //
-
- function category_exists($cat_name) {
- $id = is_term($cat_name, 'category');
- if ( is_array($id) )
- $id = $id['term_id'];
- return $id;
- }
-
- function get_category_to_edit( $id ) {
- $category = get_category( $id, OBJECT, 'edit' );
- return $category;
- }
-
- function wp_create_category( $cat_name, $parent = 0 ) {
- if ( $id = category_exists($cat_name) )
- return $id;
-
- return wp_insert_category( array('cat_name' => $cat_name, 'category_parent' => $parent) );
- }
-
- function wp_create_categories($categories, $post_id = '') {
- $cat_ids = array ();
- foreach ($categories as $category) {
- if ($id = category_exists($category))
- $cat_ids[] = $id;
- else
- if ($id = wp_create_category($category))
- $cat_ids[] = $id;
- }
-
- if ($post_id)
- wp_set_post_categories($post_id, $cat_ids);
-
- return $cat_ids;
- }
-
- function wp_delete_category($cat_ID) {
- $cat_ID = (int) $cat_ID;
- $default = get_option('default_category');
-
- // Don't delete the default cat
- if ( $cat_ID == $default )
- return 0;
-
- return wp_delete_term($cat_ID, 'category', array('default' => $default));
- }
-
- function wp_insert_category($catarr, $wp_error = false) {
- $cat_defaults = array('cat_ID' => 0, 'cat_name' => '', 'category_description' => '', 'category_nicename' => '', 'category_parent' => '');
- $cat_arr = wp_parse_args($cat_arr, $cat_defaults);
- extract($catarr, EXTR_SKIP);
-
- if ( trim( $cat_name ) == '' ) {
- if ( ! $wp_error )
- return 0;
- else
- return new WP_Error( 'cat_name', __('You did not enter a category name.') );
- }
-
- $cat_ID = (int) $cat_ID;
-
- // Are we updating or creating?
- if ( !empty ($cat_ID) )
- $update = true;
- else
- $update = false;
-
- $name = $cat_name;
- $description = $category_description;
- $slug = $category_nicename;
- $parent = $category_parent;
-
- $parent = (int) $parent;
- if ( $parent < 0 )
- $parent = 0;
-
- if ( empty($parent) || !category_exists( $parent ) || ($cat_ID && cat_is_ancestor_of($cat_ID, $parent) ) )
- $parent = 0;
-
- $args = compact('name', 'slug', 'parent', 'description');
-
- if ( $update )
- $cat_ID = wp_update_term($cat_ID, 'category', $args);
- else
- $cat_ID = wp_insert_term($cat_name, 'category', $args);
-
- if ( is_wp_error($cat_ID) ) {
- if ( $wp_error )
- return $cat_ID;
- else
- return 0;
- }
-
- return $cat_ID['term_id'];
- }
-
- function wp_update_category($catarr) {
- $cat_ID = (int) $catarr['cat_ID'];
-
- if ( $cat_ID == $catarr['category_parent'] )
- return false;
-
- // First, get all of the original fields
- $category = get_category($cat_ID, ARRAY_A);
-
- // Escape data pulled from DB.
- $category = add_magic_quotes($category);
-
- // Merge old and new fields with new fields overwriting old ones.
- $catarr = array_merge($category, $catarr);
-
- return wp_insert_category($catarr);
- }
-
- //
- // Tags
- //
-
- function get_tags_to_edit( $post_id ) {
- $post_id = (int) $post_id;
- if ( !$post_id )
- return false;
-
- $tags = wp_get_post_tags($post_id);
-
- if ( !$tags )
- return false;
-
- foreach ( $tags as $tag )
- $tag_names[] = $tag->name;
- $tags_to_edit = join( ',', $tag_names );
- $tags_to_edit = attribute_escape( $tags_to_edit );
- $tags_to_edit = apply_filters( 'tags_to_edit', $tags_to_edit );
- return $tags_to_edit;
- }
-
- function tag_exists($tag_name) {
- return is_term($tag_name, 'post_tag');
- }
-
- function wp_create_tag($tag_name) {
- if ( $id = tag_exists($tag_name) )
- return $id;
-
- return wp_insert_term($tag_name, 'post_tag');
- }
-
- ?>
-