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link-template.php
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<?php
/**
* WordPress Link Template Functions
*
* @package WordPress
* @subpackage Template
*/
/**
* Display the permalink for the current post.
*
* @since 1.2.0
*/
function the_permalink() {
/**
* Filter the display of the permalink for the current post.
*
* @since 1.5.0
*
* @param string $permalink The permalink for the current post.
*/
echo esc_url( apply_filters( 'the_permalink', get_permalink() ) );
}
/**
* Retrieve trailing slash string, if blog set for adding trailing slashes.
*
* Conditionally adds a trailing slash if the permalink structure has a trailing
* slash, strips the trailing slash if not. The string is passed through the
* 'user_trailingslashit' filter. Will remove trailing slash from string, if
* blog is not set to have them.
*
* @since 2.2.0
* @global WP_Rewrite $wp_rewrite
*
* @param string $string URL with or without a trailing slash.
* @param string $type_of_url The type of URL being considered (e.g. single, category, etc) for use in the filter.
* @return string The URL with the trailing slash appended or stripped.
*/
function user_trailingslashit($string, $type_of_url = '') {
global $wp_rewrite;
if ( $wp_rewrite->use_trailing_slashes )
$string = trailingslashit($string);
else
$string = untrailingslashit($string);
/**
* Filter the trailing slashed string, depending on whether the site is set
* to use training slashes.
*
* @since 2.2.0
*
* @param string $string URL with or without a trailing slash.
* @param string $type_of_url The type of URL being considered. Accepts 'single', 'single_trackback',
* 'single_feed', 'single_paged', 'feed', 'category', 'page', 'year',
* 'month', 'day', 'paged', 'post_type_archive'.
*/
return apply_filters( 'user_trailingslashit', $string, $type_of_url );
}
/**
* Display permalink anchor for current post.
*
* The permalink mode title will use the post title for the 'a' element 'id'
* attribute. The id mode uses 'post-' with the post ID for the 'id' attribute.
*
* @since 0.71
*
* @param string $mode Permalink mode can be either 'title', 'id', or default, which is 'id'.
*/
function permalink_anchor( $mode = 'id' ) {
$post = get_post();
switch ( strtolower( $mode ) ) {
case 'title':
$title = sanitize_title( $post->post_title ) . '-' . $post->ID;
echo '<a id="'.$title.'"></a>';
break;
case 'id':
default:
echo '<a id="post-' . $post->ID . '"></a>';
break;
}
}
/**
* Retrieve full permalink for current post or post ID.
*
* This function is an alias for get_permalink().
*
* @since 3.9.0
*
* @see get_permalink()
*
* @param int|WP_Post $id Optional. Post ID or post object. Default is the current post.
* @param bool $leavename Optional. Whether to keep post name or page name. Default false.
* @return string|false The permalink URL or false if post does not exist.
*/
function get_the_permalink( $id = 0, $leavename = false ) {
return get_permalink( $id, $leavename );
}
/**
* Retrieve full permalink for current post or post ID.
*
* @since 1.0.0
*
* @param int|WP_Post $id Optional. Post ID or post object. Default current post.
* @param bool $leavename Optional. Whether to keep post name or page name. Default false.
* @return string|false The permalink URL or false if post does not exist.
*/
function get_permalink( $id = 0, $leavename = false ) {
$rewritecode = array(
'%year%',
'%monthnum%',
'%day%',
'%hour%',
'%minute%',
'%second%',
$leavename? '' : '%postname%',
'%post_id%',
'%category%',
'%author%',
$leavename? '' : '%pagename%',
);
if ( is_object($id) && isset($id->filter) && 'sample' == $id->filter ) {
$post = $id;
$sample = true;
} else {
$post = get_post($id);
$sample = false;
}
if ( empty($post->ID) )
return false;
if ( $post->post_type == 'page' )
return get_page_link($post, $leavename, $sample);
elseif ( $post->post_type == 'attachment' )
return get_attachment_link( $post, $leavename );
elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) )
return get_post_permalink($post, $leavename, $sample);
$permalink = get_option('permalink_structure');
/**
* Filter the permalink structure for a post before token replacement occurs.
*
* Only applies to posts with post_type of 'post'.
*
* @since 3.0.0
*
* @param string $permalink The site's permalink structure.
* @param WP_Post $post The post in question.
* @param bool $leavename Whether to keep the post name.
*/
$permalink = apply_filters( 'pre_post_link', $permalink, $post, $leavename );
if ( '' != $permalink && !in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft', 'future' ) ) ) {
$unixtime = strtotime($post->post_date);
$category = '';
if ( strpos($permalink, '%category%') !== false ) {
$cats = get_the_category($post->ID);
if ( $cats ) {
usort($cats, '_usort_terms_by_ID'); // order by ID
/**
* Filter the category that gets used in the %category% permalink token.
*
* @since 3.5.0
*
* @param stdClass $cat The category to use in the permalink.
* @param array $cats Array of all categories associated with the post.
* @param WP_Post $post The post in question.
*/
$category_object = apply_filters( 'post_link_category', $cats[0], $cats, $post );
$category_object = get_term( $category_object, 'category' );
$category = $category_object->slug;
if ( $parent = $category_object->parent )
$category = get_category_parents($parent, false, '/', true) . $category;
}
// show default category in permalinks, without
// having to assign it explicitly
if ( empty($category) ) {
$default_category = get_term( get_option( 'default_category' ), 'category' );
$category = is_wp_error( $default_category ) ? '' : $default_category->slug;
}
}
$author = '';
if ( strpos($permalink, '%author%') !== false ) {
$authordata = get_userdata($post->post_author);
$author = $authordata->user_nicename;
}
$date = explode(" ",date('Y m d H i s', $unixtime));
$rewritereplace =
array(
$date[0],
$date[1],
$date[2],
$date[3],
$date[4],
$date[5],
$post->post_name,
$post->ID,
$category,
$author,
$post->post_name,
);
$permalink = home_url( str_replace($rewritecode, $rewritereplace, $permalink) );
$permalink = user_trailingslashit($permalink, 'single');
} else { // if they're not using the fancy permalink option
$permalink = home_url('?p=' . $post->ID);
}
/**
* Filter the permalink for a post.
*
* Only applies to posts with post_type of 'post'.
*
* @since 1.5.0
*
* @param string $permalink The post's permalink.
* @param WP_Post $post The post in question.
* @param bool $leavename Whether to keep the post name.
*/
return apply_filters( 'post_link', $permalink, $post, $leavename );
}
/**
* Retrieve the permalink for a post with a custom post type.
*
* @since 3.0.0
*
* @global WP_Rewrite $wp_rewrite
*
* @param int $id Optional. Post ID.
* @param bool $leavename Optional, defaults to false. Whether to keep post name.
* @param bool $sample Optional, defaults to false. Is it a sample permalink.
* @return string|WP_Error The post permalink.
*/
function get_post_permalink( $id = 0, $leavename = false, $sample = false ) {
global $wp_rewrite;
$post = get_post($id);
if ( is_wp_error( $post ) )
return $post;
$post_link = $wp_rewrite->get_extra_permastruct($post->post_type);
$slug = $post->post_name;
$draft_or_pending = isset( $post->post_status ) && in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft', 'future' ) );
$post_type = get_post_type_object($post->post_type);
if ( $post_type->hierarchical ) {
$slug = get_page_uri( $id );
}
if ( !empty($post_link) && ( !$draft_or_pending || $sample ) ) {
if ( ! $leavename ) {
$post_link = str_replace("%$post->post_type%", $slug, $post_link);
}
$post_link = home_url( user_trailingslashit($post_link) );
} else {
if ( $post_type->query_var && ( isset($post->post_status) && !$draft_or_pending ) )
$post_link = add_query_arg($post_type->query_var, $slug, '');
else
$post_link = add_query_arg(array('post_type' => $post->post_type, 'p' => $post->ID), '');
$post_link = home_url($post_link);
}
/**
* Filter the permalink for a post with a custom post type.
*
* @since 3.0.0
*
* @param string $post_link The post's permalink.
* @param WP_Post $post The post in question.
* @param bool $leavename Whether to keep the post name.
* @param bool $sample Is it a sample permalink.
*/
return apply_filters( 'post_type_link', $post_link, $post, $leavename, $sample );
}
/**
* Retrieve permalink from post ID.
*
* @since 1.0.0
*
* @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post.
* @param mixed $deprecated Not used.
* @return string|false
*/
function post_permalink( $post_id = 0, $deprecated = '' ) {
if ( !empty( $deprecated ) )
_deprecated_argument( __FUNCTION__, '1.3' );
return get_permalink($post_id);
}
/**
* Retrieve the permalink for current page or page ID.
*
* Respects page_on_front. Use this one.
*
* @since 1.5.0
*
* @param int|object $post Optional. Post ID or object.
* @param bool $leavename Optional, defaults to false. Whether to keep page name.
* @param bool $sample Optional, defaults to false. Is it a sample permalink.
* @return string The page permalink.
*/
function get_page_link( $post = false, $leavename = false, $sample = false ) {
$post = get_post( $post );
if ( 'page' == get_option( 'show_on_front' ) && $post->ID == get_option( 'page_on_front' ) )
$link = home_url('/');
else
$link = _get_page_link( $post, $leavename, $sample );
/**
* Filter the permalink for a page.
*
* @since 1.5.0
*
* @param string $link The page's permalink.
* @param int $post_id The ID of the page.
* @param bool $sample Is it a sample permalink.
*/
return apply_filters( 'page_link', $link, $post->ID, $sample );
}
/**
* Retrieve the page permalink.
*
* Ignores page_on_front. Internal use only.
*
* @since 2.1.0
* @access private
*
* @global WP_Rewrite $wp_rewrite
*
* @param int|object $post Optional. Post ID or object.
* @param bool $leavename Optional. Leave name.
* @param bool $sample Optional. Sample permalink.
* @return string The page permalink.
*/
function _get_page_link( $post = false, $leavename = false, $sample = false ) {
global $wp_rewrite;
$post = get_post( $post );
$draft_or_pending = in_array( $post->post_status, array( 'draft', 'pending', 'auto-draft' ) );
$link = $wp_rewrite->get_page_permastruct();
if ( !empty($link) && ( ( isset($post->post_status) && !$draft_or_pending ) || $sample ) ) {
if ( ! $leavename ) {
$link = str_replace('%pagename%', get_page_uri( $post ), $link);
}
$link = home_url($link);
$link = user_trailingslashit($link, 'page');
} else {
$link = home_url( '?page_id=' . $post->ID );
}
/**
* Filter the permalink for a non-page_on_front page.
*
* @since 2.1.0
*
* @param string $link The page's permalink.
* @param int $post_id The ID of the page.
*/
return apply_filters( '_get_page_link', $link, $post->ID );
}
/**
* Retrieve permalink for attachment.
*
* This can be used in the WordPress Loop or outside of it.
*
* @since 2.0.0
*
* @global WP_Rewrite $wp_rewrite
*
* @param int|object $post Optional. Post ID or object.
* @param bool $leavename Optional. Leave name.
* @return string The attachment permalink.
*/
function get_attachment_link( $post = null, $leavename = false ) {
global $wp_rewrite;
$link = false;
$post = get_post( $post );
$parent = ( $post->post_parent > 0 && $post->post_parent != $post->ID ) ? get_post( $post->post_parent ) : false;
if ( $wp_rewrite->using_permalinks() && $parent ) {
if ( 'page' == $parent->post_type )
$parentlink = _get_page_link( $post->post_parent ); // Ignores page_on_front
else
$parentlink = get_permalink( $post->post_parent );
if ( is_numeric($post->post_name) || false !== strpos(get_option('permalink_structure'), '%category%') )
$name = 'attachment/' . $post->post_name; // <permalink>/<int>/ is paged so we use the explicit attachment marker
else
$name = $post->post_name;
if ( strpos($parentlink, '?') === false )
$link = user_trailingslashit( trailingslashit($parentlink) . '%postname%' );
if ( ! $leavename )
$link = str_replace( '%postname%', $name, $link );
}
if ( ! $link )
$link = home_url( '/?attachment_id=' . $post->ID );
/**
* Filter the permalink for an attachment.
*
* @since 2.0.0
*
* @param string $link The attachment's permalink.
* @param int $post_id Attachment ID.
*/
return apply_filters( 'attachment_link', $link, $post->ID );
}
/**
* Retrieve the permalink for the year archives.
*
* @since 1.5.0
*
* @global WP_Rewrite $wp_rewrite
*
* @param int|bool $year False for current year or year for permalink.
* @return string The permalink for the specified year archive.
*/
function get_year_link($year) {
global $wp_rewrite;
if ( !$year )
$year = gmdate('Y', current_time('timestamp'));
$yearlink = $wp_rewrite->get_year_permastruct();
if ( !empty($yearlink) ) {
$yearlink = str_replace('%year%', $year, $yearlink);
$yearlink = home_url( user_trailingslashit( $yearlink, 'year' ) );
} else {
$yearlink = home_url( '?m=' . $year );
}
/**
* Filter the year archive permalink.
*
* @since 1.5.0
*
* @param string $yearlink Permalink for the year archive.
* @param int $year Year for the archive.
*/
return apply_filters( 'year_link', $yearlink, $year );
}
/**
* Retrieve the permalink for the month archives with year.
*
* @since 1.0.0
*
* @global WP_Rewrite $wp_rewrite
*
* @param bool|int $year False for current year. Integer of year.
* @param bool|int $month False for current month. Integer of month.
* @return string The permalink for the specified month and year archive.
*/
function get_month_link($year, $month) {
global $wp_rewrite;
if ( !$year )
$year = gmdate('Y', current_time('timestamp'));
if ( !$month )
$month = gmdate('m', current_time('timestamp'));
$monthlink = $wp_rewrite->get_month_permastruct();
if ( !empty($monthlink) ) {
$monthlink = str_replace('%year%', $year, $monthlink);
$monthlink = str_replace('%monthnum%', zeroise(intval($month), 2), $monthlink);
$monthlink = home_url( user_trailingslashit( $monthlink, 'month' ) );
} else {
$monthlink = home_url( '?m=' . $year . zeroise( $month, 2 ) );
}
/**
* Filter the month archive permalink.
*
* @since 1.5.0
*
* @param string $monthlink Permalink for the month archive.
* @param int $year Year for the archive.
* @param int $month The month for the archive.
*/
return apply_filters( 'month_link', $monthlink, $year, $month );
}
/**
* Retrieve the permalink for the day archives with year and month.
*
* @since 1.0.0
*
* @global WP_Rewrite $wp_rewrite
*
* @param bool|int $year False for current year. Integer of year.
* @param bool|int $month False for current month. Integer of month.
* @param bool|int $day False for current day. Integer of day.
* @return string The permalink for the specified day, month, and year archive.
*/
function get_day_link($year, $month, $day) {
global $wp_rewrite;
if ( !$year )
$year = gmdate('Y', current_time('timestamp'));
if ( !$month )
$month = gmdate('m', current_time('timestamp'));
if ( !$day )
$day = gmdate('j', current_time('timestamp'));
$daylink = $wp_rewrite->get_day_permastruct();
if ( !empty($daylink) ) {
$daylink = str_replace('%year%', $year, $daylink);
$daylink = str_replace('%monthnum%', zeroise(intval($month), 2), $daylink);
$daylink = str_replace('%day%', zeroise(intval($day), 2), $daylink);
$daylink = home_url( user_trailingslashit( $daylink, 'day' ) );
} else {
$daylink = home_url( '?m=' . $year . zeroise( $month, 2 ) . zeroise( $day, 2 ) );
}
/**
* Filter the day archive permalink.
*
* @since 1.5.0
*
* @param string $daylink Permalink for the day archive.
* @param int $year Year for the archive.
* @param int $month Month for the archive.
* @param int $day The day for the archive.
*/
return apply_filters( 'day_link', $daylink, $year, $month, $day );
}
/**
* Display the permalink for the feed type.
*
* @since 3.0.0
*
* @param string $anchor The link's anchor text.
* @param string $feed Optional, defaults to default feed. Feed type.
*/
function the_feed_link( $anchor, $feed = '' ) {
$link = '<a href="' . esc_url( get_feed_link( $feed ) ) . '">' . $anchor . '</a>';
/**
* Filter the feed link anchor tag.
*
* @since 3.0.0
*
* @param string $link The complete anchor tag for a feed link.
* @param string $feed The feed type, or an empty string for the
* default feed type.
*/
echo apply_filters( 'the_feed_link', $link, $feed );
}
/**
* Retrieve the permalink for the feed type.
*
* @since 1.5.0
*
* @global WP_Rewrite $wp_rewrite
*
* @param string $feed Optional, defaults to default feed. Feed type.
* @return string The feed permalink.
*/
function get_feed_link($feed = '') {
global $wp_rewrite;
$permalink = $wp_rewrite->get_feed_permastruct();
if ( '' != $permalink ) {
if ( false !== strpos($feed, 'comments_') ) {
$feed = str_replace('comments_', '', $feed);
$permalink = $wp_rewrite->get_comment_feed_permastruct();
}
if ( get_default_feed() == $feed )
$feed = '';
$permalink = str_replace('%feed%', $feed, $permalink);
$permalink = preg_replace('#/+#', '/', "/$permalink");
$output = home_url( user_trailingslashit($permalink, 'feed') );
} else {
if ( empty($feed) )
$feed = get_default_feed();
if ( false !== strpos($feed, 'comments_') )
$feed = str_replace('comments_', 'comments-', $feed);
$output = home_url("?feed={$feed}");
}
/**
* Filter the feed type permalink.
*
* @since 1.5.0
*
* @param string $output The feed permalink.
* @param string $feed Feed type.
*/
return apply_filters( 'feed_link', $output, $feed );
}
/**
* Retrieve the permalink for the post comments feed.
*
* @since 2.2.0
*
* @param int $post_id Optional. Post ID.
* @param string $feed Optional. Feed type.
* @return string The permalink for the comments feed for the given post.
*/
function get_post_comments_feed_link($post_id = 0, $feed = '') {
$post_id = absint( $post_id );
if ( ! $post_id )
$post_id = get_the_ID();
if ( empty( $feed ) )
$feed = get_default_feed();
if ( '' != get_option('permalink_structure') ) {
if ( 'page' == get_option('show_on_front') && $post_id == get_option('page_on_front') )
$url = _get_page_link( $post_id );
else
$url = get_permalink($post_id);
$url = trailingslashit($url) . 'feed';
if ( $feed != get_default_feed() )
$url .= "/$feed";
$url = user_trailingslashit($url, 'single_feed');
} else {
$type = get_post_field('post_type', $post_id);
if ( 'page' == $type )
$url = add_query_arg( array( 'feed' => $feed, 'page_id' => $post_id ), home_url( '/' ) );
else
$url = add_query_arg( array( 'feed' => $feed, 'p' => $post_id ), home_url( '/' ) );
}
/**
* Filter the post comments feed permalink.
*
* @since 1.5.1
*
* @param string $url Post comments feed permalink.
*/
return apply_filters( 'post_comments_feed_link', $url );
}
/**
* Display the comment feed link for a post.
*
* Prints out the comment feed link for a post. Link text is placed in the
* anchor. If no link text is specified, default text is used. If no post ID is
* specified, the current post is used.
*
* @since 2.5.0
*
* @param string $link_text Descriptive text.
* @param int $post_id Optional post ID. Default to current post.
* @param string $feed Optional. Feed format.
*/
function post_comments_feed_link( $link_text = '', $post_id = '', $feed = '' ) {
$url = esc_url( get_post_comments_feed_link( $post_id, $feed ) );
if ( empty($link_text) )
$link_text = __('Comments Feed');
/**
* Filter the post comment feed link anchor tag.
*
* @since 2.8.0
*
* @param string $link The complete anchor tag for the comment feed link.
* @param int $post_id Post ID.
* @param string $feed The feed type, or an empty string for the default feed type.
*/
echo apply_filters( 'post_comments_feed_link_html', "<a href='$url'>$link_text</a>", $post_id, $feed );
}
/**
* Retrieve the feed link for a given author.
*
* Returns a link to the feed for all posts by a given author. A specific feed
* can be requested or left blank to get the default feed.
*
* @since 2.5.0
*
* @param int $author_id ID of an author.
* @param string $feed Optional. Feed type.
* @return string Link to the feed for the author specified by $author_id.
*/
function get_author_feed_link( $author_id, $feed = '' ) {
$author_id = (int) $author_id;
$permalink_structure = get_option('permalink_structure');
if ( empty($feed) )
$feed = get_default_feed();
if ( '' == $permalink_structure ) {
$link = home_url("?feed=$feed&author=" . $author_id);
} else {
$link = get_author_posts_url($author_id);
if ( $feed == get_default_feed() )
$feed_link = 'feed';
else
$feed_link = "feed/$feed";
$link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed');
}
/**
* Filter the feed link for a given author.
*
* @since 1.5.1
*
* @param string $link The author feed link.
* @param string $feed Feed type.
*/
$link = apply_filters( 'author_feed_link', $link, $feed );
return $link;
}
/**
* Retrieve the feed link for a category.
*
* Returns a link to the feed for all posts in a given category. A specific feed
* can be requested or left blank to get the default feed.
*
* @since 2.5.0
*
* @param int $cat_id ID of a category.
* @param string $feed Optional. Feed type.
* @return string Link to the feed for the category specified by $cat_id.
*/
function get_category_feed_link( $cat_id, $feed = '' ) {
return get_term_feed_link( $cat_id, 'category', $feed );
}
/**
* Retrieve the feed link for a term.
*
* Returns a link to the feed for all posts in a given term. A specific feed
* can be requested or left blank to get the default feed.
*
* @since 3.0.0
*
* @param int $term_id ID of a category.
* @param string $taxonomy Optional. Taxonomy of $term_id
* @param string $feed Optional. Feed type.
* @return string|false Link to the feed for the term specified by $term_id and $taxonomy.
*/
function get_term_feed_link( $term_id, $taxonomy = 'category', $feed = '' ) {
$term_id = ( int ) $term_id;
$term = get_term( $term_id, $taxonomy );
if ( empty( $term ) || is_wp_error( $term ) )
return false;
if ( empty( $feed ) )
$feed = get_default_feed();
$permalink_structure = get_option( 'permalink_structure' );
if ( '' == $permalink_structure ) {
if ( 'category' == $taxonomy ) {
$link = home_url("?feed=$feed&cat=$term_id");
}
elseif ( 'post_tag' == $taxonomy ) {
$link = home_url("?feed=$feed&tag=$term->slug");
} else {
$t = get_taxonomy( $taxonomy );
$link = home_url("?feed=$feed&$t->query_var=$term->slug");
}
} else {
$link = get_term_link( $term_id, $term->taxonomy );
if ( $feed == get_default_feed() )
$feed_link = 'feed';
else
$feed_link = "feed/$feed";
$link = trailingslashit( $link ) . user_trailingslashit( $feed_link, 'feed' );
}
if ( 'category' == $taxonomy ) {
/**
* Filter the category feed link.
*
* @since 1.5.1
*
* @param string $link The category feed link.
* @param string $feed Feed type.
*/
$link = apply_filters( 'category_feed_link', $link, $feed );
} elseif ( 'post_tag' == $taxonomy ) {
/**
* Filter the post tag feed link.
*
* @since 2.3.0
*
* @param string $link The tag feed link.
* @param string $feed Feed type.
*/
$link = apply_filters( 'tag_feed_link', $link, $feed );
} else {
/**
* Filter the feed link for a taxonomy other than 'category' or 'post_tag'.
*
* @since 3.0.0
*
* @param string $link The taxonomy feed link.
* @param string $feed Feed type.
* @param string $feed The taxonomy name.
*/
$link = apply_filters( 'taxonomy_feed_link', $link, $feed, $taxonomy );
}
return $link;
}
/**
* Retrieve permalink for feed of tag.
*
* @since 2.3.0
*
* @param int $tag_id Tag ID.
* @param string $feed Optional. Feed type.
* @return string The feed permalink for the given tag.
*/
function get_tag_feed_link( $tag_id, $feed = '' ) {
return get_term_feed_link( $tag_id, 'post_tag', $feed );
}
/**
* Retrieve edit tag link.
*
* @since 2.7.0
*
* @param int $tag_id Tag ID
* @param string $taxonomy Taxonomy
* @return string The edit tag link URL for the given tag.
*/
function get_edit_tag_link( $tag_id, $taxonomy = 'post_tag' ) {
/**
* Filter the edit link for a tag (or term in another taxonomy).
*
* @since 2.7.0
*
* @param string $link The term edit link.
*/
return apply_filters( 'get_edit_tag_link', get_edit_term_link( $tag_id, $taxonomy ) );
}
/**
* Display or retrieve edit tag link with formatting.
*
* @since 2.7.0
*
* @param string $link Optional. Anchor text.
* @param string $before Optional. Display before edit link.
* @param string $after Optional. Display after edit link.
* @param object $tag Tag object.
*/
function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) {
$link = edit_term_link( $link, '', '', $tag, false );
/**
* Filter the anchor tag for the edit link for a tag (or term in another taxonomy).
*
* @since 2.7.0
*
* @param string $link The anchor tag for the edit link.
*/
echo $before . apply_filters( 'edit_tag_link', $link ) . $after;
}
/**
* Retrieve edit term url.
*
* @since 3.1.0
*
* @param int $term_id Term ID.
* @param string $taxonomy Taxonomy.
* @param string $object_type The object type. Used to highlight the proper post type menu on the linked page.
* Defaults to the first object_type associated with the taxonomy.
* @return string|null The edit term link URL for the given term, or null on failure.
*/
function get_edit_term_link( $term_id, $taxonomy, $object_type = '' ) {
$tax = get_taxonomy( $taxonomy );
if ( ! $tax || ! current_user_can( $tax->cap->edit_terms ) ) {
return;
}
$term = get_term( $term_id, $taxonomy );
if ( ! $term || is_wp_error( $term ) ) {
return;
}
$args = array(
'action' => 'edit',
'taxonomy' => $taxonomy,
'tag_ID' => $term->term_id,
);
if ( $object_type ) {
$args['post_type'] = $object_type;
} elseif ( ! empty( $tax->object_type ) ) {
$args['post_type'] = reset( $tax->object_type );
}
$location = add_query_arg( $args, admin_url( 'edit-tags.php' ) );
/**
* Filter the edit link for a term.
*
* @since 3.1.0
*
* @param string $location The edit link.
* @param int $term_id Term ID.
* @param string $taxonomy Taxonomy name.
* @param string $object_type The object type (eg. the post type).
*/
return apply_filters( 'get_edit_term_link', $location, $term_id, $taxonomy, $object_type );
}
/**
* Display or retrieve edit term link with formatting.
*
* @since 3.1.0
*
* @param string $link Optional. Anchor text. Default empty.
* @param string $before Optional. Display before edit link. Default empty.
* @param string $after Optional. Display after edit link. Default empty.
* @param object $term Optional. Term object. If null, the queried object will be inspected. Default null.
* @param bool $echo Optional. Whether or not to echo the return. Default true.
* @return string|void HTML content.
*/
function edit_term_link( $link = '', $before = '', $after = '', $term = null, $echo = true ) {
if ( is_null( $term ) )
$term = get_queried_object();
if ( ! $term )
return;
$tax = get_taxonomy( $term->taxonomy );
if ( ! current_user_can( $tax->cap->edit_terms ) )
return;
if ( empty( $link ) )
$link = __('Edit This');
$link = '<a href="' . get_edit_term_link( $term->term_id, $term->taxonomy ) . '">' . $link . '</a>';
/**
* Filter the anchor tag for the edit link of a term.
*
* @since 3.1.0
*
* @param string $link The anchor tag for the edit link.
* @param int $term_id Term ID.
*/
$link = $before . apply_filters( 'edit_term_link', $link, $term->term_id ) . $after;
if ( $echo )
echo $link;
else
return $link;
}
/**
* Retrieve permalink for search.
*
* @since 3.0.0
*
* @global WP_Rewrite $wp_rewrite
*
* @param string $query Optional. The query string to use. If empty the current query is used.
* @return string The search permalink.
*/
function get_search_link( $query = '' ) {