* @param string $separator Optional, default is '/'. How to separate categories.
* @param bool $nicename Optional, default is false. Whether to use nice name for display.
* @param array $visited Optional. Already linked to categories to prevent duplicates.
- * @return string
+ * @return string|WP_Error A list of category parents on success, WP_Error on failure.
*/
function get_category_parents( $id, $link = false, $separator = '/', $nicename = false, $visited = array() ) {
$chain = '';
- $parent = &get_category( $id );
+ $parent = get_term( $id, 'category' );
if ( is_wp_error( $parent ) )
return $parent;
}
if ( $link )
- $chain .= '<a href="' . get_category_link( $parent->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $parent->name ) ) . '">'.$name.'</a>' . $separator;
+ $chain .= '<a href="' . esc_url( get_category_link( $parent->term_id ) ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $parent->name ) ) . '">'.$name.'</a>' . $separator;
else
$chain .= $name.$separator;
return $chain;
*/
function get_the_category( $id = false ) {
$categories = get_the_terms( $id, 'category' );
- if ( ! $categories )
+ if ( ! $categories || is_wp_error( $categories ) )
$categories = array();
$categories = array_values( $categories );
_make_cat_compat( $categories[$key] );
}
- // Filter name is plural because we return alot of categories not just one
+ // Filter name is plural because we return alot of categories (possibly more than #13237) not just one
return apply_filters( 'get_the_categories', $categories );
}
* @since 0.71
*
* @param int $cat_ID Category ID.
- * @return string Category name.
+ * @return string|WP_Error Category name on success, WP_Error on failure.
*/
function get_the_category_by_ID( $cat_ID ) {
$cat_ID = (int) $cat_ID;
- $category = &get_category( $cat_ID );
+ $category = get_term( $cat_ID, 'category' );
if ( is_wp_error( $category ) )
return $category;
return $category->name;
*/
function get_the_category_list( $separator = '', $parents='', $post_id = false ) {
global $wp_rewrite;
- $categories = get_the_category( $post_id );
- if ( !is_object_in_taxonomy( get_post_type( $post_id ), 'category' ) )
+ if ( ! is_object_in_taxonomy( get_post_type( $post_id ), 'category' ) )
return apply_filters( 'the_category', '', $separator, $parents );
+ $categories = get_the_category( $post_id );
if ( empty( $categories ) )
return apply_filters( 'the_category', __( 'Uncategorized' ), $separator, $parents );
case 'multiple':
if ( $category->parent )
$thelist .= get_category_parents( $category->parent, true, $separator );
- $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a></li>';
+ $thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a></li>';
break;
case 'single':
- $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>';
+ $thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>';
if ( $category->parent )
$thelist .= get_category_parents( $category->parent, false, $separator );
$thelist .= $category->name.'</a></li>';
break;
case '':
default:
- $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a></li>';
+ $thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a></li>';
}
}
$thelist .= '</ul>';
case 'multiple':
if ( $category->parent )
$thelist .= get_category_parents( $category->parent, true, $separator );
- $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a>';
+ $thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a>';
break;
case 'single':
- $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>';
+ $thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>';
if ( $category->parent )
$thelist .= get_category_parents( $category->parent, false, $separator );
$thelist .= "$category->name</a>";
break;
case '':
default:
- $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a>';
+ $thelist .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a>';
}
++$i;
}
return apply_filters( 'the_category', $thelist, $separator, $parents );
}
-
/**
* Check if the current post in within any of the given categories.
*
* As of 2.7, the function can be used anywhere if it is provided a post ID or post object.
*
* @since 1.2.0
+ * @uses has_category()
*
* @param int|string|array $category Category ID, name or slug, or array of said.
- * @param int|object $_post Optional. Post to check instead of the current post. (since 2.7.0)
+ * @param int|object $post Optional. Post to check instead of the current post. (since 2.7.0)
* @return bool True if the current post is in any of the given categories.
*/
function in_category( $category, $post = null ) {
if ( empty( $category ) )
return false;
- return has_term( $category, 'category', $post );
+ return has_category( $category, $post );
}
/**
* 'orderby' (string) default is 'ID' - What column to use for ordering the
* categories.
* 'order' (string) default is 'ASC' - What direction to order categories.
- * 'show_last_update' (bool|int) default is 0 - See {@link get_categories()}
* 'show_count' (bool|int) default is 0 - Whether to show how many posts are
* in the category.
* 'hide_empty' (bool|int) default is 1 - Whether to hide categories that
$defaults = array(
'show_option_all' => '', 'show_option_none' => '',
'orderby' => 'id', 'order' => 'ASC',
- 'show_last_update' => 0, 'show_count' => 0,
+ 'show_count' => 0,
'hide_empty' => 1, 'child_of' => 0,
'exclude' => '', 'echo' => 1,
'selected' => 0, 'hierarchical' => 0,
$r['pad_counts'] = true;
}
- $r['include_last_update_time'] = $r['show_last_update'];
extract( $r );
$tab_index_attribute = '';
$output .= walk_category_dropdown_tree( $categories, $depth, $r );
}
+
if ( ! $r['hide_if_empty'] || ! empty($categories) )
$output .= "</select>\n";
-
$output = apply_filters( 'wp_dropdown_cats', $output );
if ( $echo )
* 'orderby' (string) default is 'ID' - What column to use for ordering the
* categories.
* 'order' (string) default is 'ASC' - What direction to order categories.
- * 'show_last_update' (bool|int) default is 0 - See {@link
- * walk_category_dropdown_tree()}
* 'show_count' (bool|int) default is 0 - Whether to show how many posts are
* in the category.
* 'hide_empty' (bool|int) default is 1 - Whether to hide categories that
$defaults = array(
'show_option_all' => '', 'show_option_none' => __('No categories'),
'orderby' => 'name', 'order' => 'ASC',
- 'show_last_update' => 0, 'style' => 'list',
+ 'style' => 'list',
'show_count' => 0, 'hide_empty' => 1,
'use_desc_for_title' => 1, 'child_of' => 0,
'feed' => '', 'feed_type' => '',
if ( !isset( $r['pad_counts'] ) && $r['show_count'] && $r['hierarchical'] )
$r['pad_counts'] = true;
- if ( isset( $r['show_date'] ) )
- $r['include_last_update_time'] = $r['show_date'];
-
if ( true == $r['hierarchical'] ) {
$r['exclude_tree'] = $r['exclude'];
$r['exclude'] = '';
if ( empty( $categories ) ) {
if ( ! empty( $show_option_none ) ) {
if ( 'list' == $style )
- $output .= '<li>' . $show_option_none . '</li>';
+ $output .= '<li class="cat-item-none">' . $show_option_none . '</li>';
else
$output .= $show_option_none;
}
} else {
- if( !empty( $show_option_all ) )
+ if ( ! empty( $show_option_all ) ) {
+ $posts_page = ( 'page' == get_option( 'show_on_front' ) && get_option( 'page_for_posts' ) ) ? get_permalink( get_option( 'page_for_posts' ) ) : home_url( '/' );
+ $posts_page = esc_url( $posts_page );
if ( 'list' == $style )
- $output .= '<li><a href="' . get_bloginfo( 'url' ) . '">' . $show_option_all . '</a></li>';
+ $output .= "<li class='cat-item-all'><a href='$posts_page'>$show_option_all</a></li>";
else
- $output .= '<a href="' . get_bloginfo( 'url' ) . '">' . $show_option_all . '</a>';
+ $output .= "<a href='$posts_page'>$show_option_all</a>";
+ }
if ( empty( $r['current_category'] ) && ( is_category() || is_tax() || is_tag() ) ) {
$current_term_object = get_queried_object();
- if ( $r['taxonomy'] == $current_term_object->taxonomy )
+ if ( $current_term_object && $r['taxonomy'] === $current_term_object->taxonomy )
$r['current_category'] = get_queried_object_id();
}
$tags = get_terms( $args['taxonomy'], array_merge( $args, array( 'orderby' => 'count', 'order' => 'DESC' ) ) ); // Always query top tags
- if ( empty( $tags ) )
+ if ( empty( $tags ) || is_wp_error( $tags ) )
return;
foreach ( $tags as $key => $tag ) {
return round(log10($count + 1) * 100);
}
-
/**
* Generates a tag cloud (heatmap) from provided data.
*
* @return string
*/
function wp_generate_tag_cloud( $tags, $args = '' ) {
- global $wp_rewrite;
$defaults = array(
'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 0,
'format' => 'flat', 'separator' => "\n", 'orderby' => 'name', 'order' => 'ASC',
} else {
// SQL cannot save you; this is a second (potentially different) sort on a subset of data.
if ( 'name' == $orderby )
- uasort( $tags, create_function('$a, $b', 'return strnatcasecmp($a->name, $b->name);') );
+ uasort( $tags, '_wp_object_name_sort_cb' );
else
- uasort( $tags, create_function('$a, $b', 'return ($a->count > $b->count);') );
+ uasort( $tags, '_wp_object_count_sort_cb' );
if ( 'DESC' == $order )
$tags = array_reverse( $tags, true );
$tag_link = '#' != $tag->link ? esc_url( $tag->link ) : '#';
$tag_id = isset($tags[ $key ]->id) ? $tags[ $key ]->id : $key;
$tag_name = $tags[ $key ]->name;
- $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( call_user_func( $topic_count_text_callback, $real_count ) ) . "' style='font-size: " .
- ( $smallest + ( ( $count - $min_count ) * $font_step ) )
+ $a[] = "<a href='$tag_link' class='tag-link-$tag_id' title='" . esc_attr( call_user_func( $topic_count_text_callback, $real_count, $tag, $args ) ) . "' style='font-size: " .
+ str_replace( ',', '.', ( $smallest + ( ( $count - $min_count ) * $font_step ) ) )
. "$unit;'>$tag_name</a>";
}
}
/**
- * Callback for comparing tags based on name
+ * Callback for comparing objects based on name
*
* @since 3.1.0
* @access private
*/
-function _wp_tag_cloud_name_sort_cb( $a, $b ) {
+function _wp_object_name_sort_cb( $a, $b ) {
return strnatcasecmp( $a->name, $b->name );
}
/**
- * Callback for comparing tags based on count
+ * Callback for comparing objects based on count
*
* @since 3.1.0
* @access private
*/
-function _wp_tag_cloud_count_sort_cb( $a, $b ) {
+function _wp_object_count_sort_cb( $a, $b ) {
return ( $a->count > $b->count );
}
*/
class Walker_Category extends Walker {
/**
+ * What the class handles.
+ *
* @see Walker::$tree_type
* @since 2.1.0
* @var string
var $tree_type = 'category';
/**
+ * Database fields to use.
+ *
* @see Walker::$db_fields
* @since 2.1.0
* @todo Decouple this
var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
/**
+ * Starts the list before the elements are added.
+ *
* @see Walker::start_lvl()
+ *
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
- * @param int $depth Depth of category. Used for tab indentation.
- * @param array $args Will only append content if style argument value is 'list'.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args An array of arguments. Will only append content if style argument value is 'list'.
+ * @see wp_list_categories()
*/
- function start_lvl(&$output, $depth, $args) {
+ function start_lvl( &$output, $depth = 0, $args = array() ) {
if ( 'list' != $args['style'] )
return;
}
/**
+ * Ends the list of after the elements are added.
+ *
* @see Walker::end_lvl()
+ *
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
- * @param int $depth Depth of category. Used for tab indentation.
- * @param array $args Will only append content if style argument value is 'list'.
+ * @param int $depth Depth of category. Used for tab indentation.
+ * @param array $args An array of arguments. Will only append content if style argument value is 'list'.
+ * @wsee wp_list_categories()
*/
- function end_lvl(&$output, $depth, $args) {
+ function end_lvl( &$output, $depth = 0, $args = array() ) {
if ( 'list' != $args['style'] )
return;
}
/**
+ * Start the element output.
+ *
* @see Walker::start_el()
+ *
* @since 2.1.0
*
- * @param string $output Passed by reference. Used to append additional content.
+ * @param string $output Passed by reference. Used to append additional content.
* @param object $category Category data object.
- * @param int $depth Depth of category in reference to parents.
- * @param array $args
+ * @param int $depth Depth of category in reference to parents. Default 0.
+ * @param array $args An array of arguments. @see wp_list_categories()
+ * @param int $id ID of the current category.
*/
- function start_el(&$output, $category, $depth, $args) {
+ function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
extract($args);
$cat_name = esc_attr( $category->name );
$cat_name = apply_filters( 'list_cats', $cat_name, $category );
- $link = '<a href="' . esc_attr( get_term_link($category) ) . '" ';
+ $link = '<a href="' . esc_url( get_term_link($category) ) . '" ';
if ( $use_desc_for_title == 0 || empty($category->description) )
$link .= 'title="' . esc_attr( sprintf(__( 'View all posts filed under %s' ), $cat_name) ) . '"';
else
if ( empty($feed_image) )
$link .= '(';
- $link .= '<a href="' . get_term_feed_link( $category->term_id, $category->taxonomy, $feed_type ) . '"';
+ $link .= '<a href="' . esc_url( get_term_feed_link( $category->term_id, $category->taxonomy, $feed_type ) ) . '"';
if ( empty($feed) ) {
$alt = ' alt="' . sprintf(__( 'Feed for all posts filed under %s' ), $cat_name ) . '"';
if ( !empty($show_count) )
$link .= ' (' . intval($category->count) . ')';
- if ( !empty($show_date) )
- $link .= ' ' . gmdate('Y-m-d', $category->last_update_timestamp);
-
if ( 'list' == $args['style'] ) {
$output .= "\t<li";
$class = 'cat-item cat-item-' . $category->term_id;
}
/**
+ * Ends the element output, if needed.
+ *
* @see Walker::end_el()
+ *
* @since 2.1.0
*
* @param string $output Passed by reference. Used to append additional content.
- * @param object $page Not used.
- * @param int $depth Depth of category. Not used.
- * @param array $args Only uses 'list' for whether should append to output.
+ * @param object $page Not used.
+ * @param int $depth Depth of category. Not used.
+ * @param array $args An array of arguments. Only uses 'list' for whether should append to output. @see wp_list_categories()
*/
- function end_el(&$output, $page, $depth, $args) {
+ function end_el( &$output, $page, $depth = 0, $args = array() ) {
if ( 'list' != $args['style'] )
return;
var $db_fields = array ('parent' => 'parent', 'id' => 'term_id');
/**
+ * Start the element output.
+ *
* @see Walker::start_el()
* @since 2.1.0
*
- * @param string $output Passed by reference. Used to append additional content.
+ * @param string $output Passed by reference. Used to append additional content.
* @param object $category Category data object.
- * @param int $depth Depth of category. Used for padding.
- * @param array $args Uses 'selected', 'show_count', and 'show_last_update' keys, if they exist.
+ * @param int $depth Depth of category. Used for padding.
+ * @param array $args Uses 'selected' and 'show_count' keys, if they exist. @see wp_dropdown_categories()
*/
- function start_el(&$output, $category, $depth, $args) {
+ function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
$pad = str_repeat(' ', $depth * 3);
$cat_name = apply_filters('list_cats', $category->name, $category);
$output .= $pad.$cat_name;
if ( $args['show_count'] )
$output .= ' ('. $category->count .')';
- if ( $args['show_last_update'] ) {
- $format = 'Y-m-d';
- $output .= ' ' . gmdate($format, $category->last_update_timestamp);
- }
$output .= "</option>\n";
}
}
* @uses apply_filters() Calls 'get_the_tags' filter on the list of post tags.
*
* @param int $id Post ID.
- * @return array
+ * @return array|bool Array of tag objects on success, false on failure.
*/
function get_the_tags( $id = 0 ) {
return apply_filters( 'get_the_tags', get_the_terms( $id, 'post_tag' ) );
* @param string $before Optional. Before tags.
* @param string $sep Optional. Between tags.
* @param string $after Optional. After tags.
- * @return string
+ * @param int $id Optional. Post ID. Defaults to the current post.
+ * @return string|bool|WP_Error A list of tags on success, false or WP_Error on failure.
*/
-function get_the_tag_list( $before = '', $sep = '', $after = '' ) {
- return apply_filters( 'the_tags', get_the_term_list( 0, 'post_tag', $before, $sep, $after ), $before, $sep, $after);
+function get_the_tag_list( $before = '', $sep = '', $after = '', $id = 0 ) {
+ return apply_filters( 'the_tags', get_the_term_list( $id, 'post_tag', $before, $sep, $after ), $before, $sep, $after, $id );
}
/**
* @param string $before Optional. Before list.
* @param string $sep Optional. Separate items using this.
* @param string $after Optional. After list.
- * @return string
*/
function the_tags( $before = null, $sep = ', ', $after = '' ) {
if ( null === $before )
* @since 2.8
*
* @param int $term Optional. Term ID. Will use global term ID by default.
+ * @param string $taxonomy Optional taxonomy name. Defaults to 'post_tag'.
* @return string Term description, available.
*/
function term_description( $term = 0, $taxonomy = 'post_tag' ) {
- if ( !$term && ( is_tax() || is_tag() || is_category() ) ) {
+ if ( ! $term && ( is_tax() || is_tag() || is_category() ) ) {
$term = get_queried_object();
- $taxonomy = $term->taxonomy;
- $term = $term->term_id;
+ if ( $term ) {
+ $taxonomy = $term->taxonomy;
+ $term = $term->term_id;
+ }
}
$description = get_term_field( 'description', $term, $taxonomy );
return is_wp_error( $description ) ? '' : $description;
/**
* Retrieve the terms of the taxonomy that are attached to the post.
*
- * This function can only be used within the loop.
- *
* @since 2.5.0
*
- * @param int $id Post ID. Is not optional.
+ * @param int|object $post Post ID or object.
* @param string $taxonomy Taxonomy name.
- * @return array|bool False on failure. Array of term objects on success.
+ * @return array|bool|WP_Error Array of term objects on success, false or WP_Error on failure.
*/
-function get_the_terms( $id = 0, $taxonomy ) {
- global $post;
-
- $id = (int) $id;
-
- if ( !$id ) {
- if ( !$post->ID )
- return false;
- else
- $id = (int) $post->ID;
- }
+function get_the_terms( $post, $taxonomy ) {
+ if ( ! $post = get_post( $post ) )
+ return false;
- $terms = get_object_term_cache( $id, $taxonomy );
+ $terms = get_object_term_cache( $post->ID, $taxonomy );
if ( false === $terms ) {
- $terms = wp_get_object_terms( $id, $taxonomy );
- wp_cache_add($id, $terms, $taxonomy . '_relationships');
+ $terms = wp_get_object_terms( $post->ID, $taxonomy );
+ wp_cache_add($post->ID, $terms, $taxonomy . '_relationships');
}
- $terms = apply_filters( 'get_the_terms', $terms, $id, $taxonomy );
+ $terms = apply_filters( 'get_the_terms', $terms, $post->ID, $taxonomy );
if ( empty( $terms ) )
return false;
* @param string $before Optional. Before list.
* @param string $sep Optional. Separate items using this.
* @param string $after Optional. After list.
- * @return string
+ * @return string|bool|WP_Error A list of terms on success, false or WP_Error on failure.
*/
-function get_the_term_list( $id = 0, $taxonomy, $before = '', $sep = '', $after = '' ) {
+function get_the_term_list( $id, $taxonomy, $before = '', $sep = '', $after = '' ) {
$terms = get_the_terms( $id, $taxonomy );
if ( is_wp_error( $terms ) )
$link = get_term_link( $term, $taxonomy );
if ( is_wp_error( $link ) )
return $link;
- $term_links[] = '<a href="' . $link . '" rel="tag">' . $term->name . '</a>';
+ $term_links[] = '<a href="' . esc_url( $link ) . '" rel="tag">' . $term->name . '</a>';
}
$term_links = apply_filters( "term_links-$taxonomy", $term_links );
* @param string $after Optional. After list.
* @return null|bool False on WordPress error. Returns null when displaying.
*/
-function the_terms( $id = 0, $taxonomy, $before = '', $sep = ', ', $after = '' ) {
+function the_terms( $id, $taxonomy, $before = '', $sep = ', ', $after = '' ) {
$term_list = get_the_term_list( $id, $taxonomy, $before, $sep, $after );
if ( is_wp_error( $term_list ) )
echo apply_filters('the_terms', $term_list, $taxonomy, $before, $sep, $after);
}
-
/**
* Check if the current post has any of given category.
*
* @since 3.1.0
*
- * @param string|int|array $tag Optional. The category name/term_id/slug or array of them to check for.
+ * @param string|int|array $category Optional. The category name/term_id/slug or array of them to check for.
* @param int|object $post Optional. Post to check instead of the current post.
* @return bool True if the current post has any of the given categories (or any category, if no category specified).
*/
return $r;
}
-
-?>
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