d user data object.
*
* @param string $option User option name.
* @param int $user Optional. User ID.
* @param bool $check_blog_options Whether to check for an option in the options table if a per-user option does not exist. Default is true.
* @return mixed
*/
function get_user_option( $option, $user = 0, $check_blog_options = true ) {
global $wpdb;
$option = preg_replace('|[^a-z0-9_]|i', '', $option);
if ( empty($user) )
$user = wp_get_current_user();
else
$user = get_userdata($user);
if ( isset( $user->{$wpdb->prefix . $option} ) ) // Blog specific
$result = $user->{$wpdb->prefix . $option};
elseif ( isset( $user->{$option} ) ) // User specific and cross-blog
$result = $user->{$option};
elseif ( $check_blog_options ) // Blog global
$result = get_option( $option );
else
$result = false;
return apply_filters("get_user_option_{$option}", $result, $option, $user);
}
/**
* Update user option with global blog capability.
*
* User options are just like user metadata except that they have support for
* global blog options. If the 'global' parameter is false, which it is by default
* it will prepend the WordPress table prefix to the option name.
*
* @since 2.0.0
* @uses $wpdb WordPress database object for queries
*
* @param int $user_id User ID
* @param string $option_name User option name.
* @param mixed $newvalue User option value.
* @param bool $global Optional. Whether option name is blog specific or not.
* @return unknown
*/
function update_user_option( $user_id, $option_name, $newvalue, $global = false ) {
global $wpdb;
if ( !$global )
$option_name = $wpdb->prefix . $option_name;
return update_usermeta( $user_id, $option_name, $newvalue );
}
/**
* Get users for the blog.
*
* For setups that use the multi-blog feature. Can be used outside of the
* multi-blog feature.
*
* @since 2.2.0
* @uses $wpdb WordPress database object for queries
* @uses $blog_id The Blog id of the blog for those that use more than one blog
*
* @param int $id Blog ID.
* @return array List of users that are part of that Blog ID
*/
function get_users_of_blog( $id = '' ) {
global $wpdb, $blog_id;
if ( empty($id) )
$id = (int) $blog_id;
$users = $wpdb->get_results( "SELECT user_id, user_id AS ID, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE {$wpdb->users}.ID = {$wpdb->usermeta}.user_id AND meta_key = '{$wpdb->prefix}capabilities' ORDER BY {$wpdb->usermeta}.user_id" );
return $users;
}
//
// User meta functions
//
/**
* Remove user meta data.
*
* @since 2.0.0
* @uses $wpdb WordPress database object for queries.
*
* @param int $user_id User ID.
* @param string $meta_key Metadata key.
* @param mixed $meta_value Metadata value.
* @return bool True deletion completed and false if user_id is not a number.
*/
function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
global $wpdb;
if ( !is_numeric( $user_id ) )
return false;
$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
if ( is_array($meta_value) || is_object($meta_value) )
$meta_value = serialize($meta_value);
$meta_value = trim( $meta_value );
$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
if ( $cur && $cur->umeta_id )
do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
if ( ! empty($meta_value) )
$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) );
else
$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
wp_cache_delete($user_id, 'users');
if ( $cur && $cur->umeta_id )
do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
return true;
}
/**
* Retrieve user metadata.
*
* If $user_id is not a number, then the function will fail over with a 'false'
* boolean return value. Other returned values depend on whether there is only
* one item to be returned, which be that single item type. If there is more
* than one metadata value, then it will be list of metadata values.
*
* @since 2.0.0
* @uses $wpdb WordPress database object for queries.
*
* @param int $user_id User ID
* @param string $meta_key Optional. Metadata key.
* @return mixed
*/
function get_usermeta( $user_id, $meta_key = '') {
global $wpdb;
$user_id = (int) $user_id;
if ( !$user_id )
return false;
if ( !empty($meta_key) ) {
$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
$user = wp_cache_get($user_id, 'users');
// Check the cached user object
if ( false !== $user && isset($user->$meta_key) )
$metas = array($user->$meta_key);
else
$metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
} else {
$metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) );
}
if ( empty($metas) ) {
if ( empty($meta_key) )
return array();
else
return '';
}
$metas = array_map('maybe_unserialize', $metas);
if ( count($metas) == 1 )
return $metas[0];
else
return $metas;
}
/**
* Update metadata of user.
*
* There is no need to serialize values, they will be serialized if it is
* needed. The metadata key can only be a string with underscores. All else will
* be removed.
*
* Will remove the metadata, if the meta value is empty.
*
* @since 2.0.0
* @uses $wpdb WordPress database object for queries
*
* @param int $user_id User ID
* @param string $meta_key Metadata key.
* @param mixed $meta_value Metadata value.
* @return bool True on successful update, false on failure.
*/
function update_usermeta( $user_id, $meta_key, $meta_value ) {
global $wpdb;
if ( !is_numeric( $user_id ) )
return false;
$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
/** @todo Might need fix because usermeta data is assumed to be already escaped */
if ( is_string($meta_value) )
$meta_value = stripslashes($meta_value);
$meta_value = maybe_serialize($meta_value);
if (empty($meta_value)) {
return delete_usermeta($user_id, $meta_key);
}
$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
if ( $cur )
do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
if ( !$cur )
$wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
else if ( $cur->meta_value != $meta_value )
$wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
else
return false;
wp_cache_delete($user_id, 'users');
if ( !$cur )
do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
else
do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
return true;
}
//
// Private helper functions
//
/**
* Setup global user vars.
*
* Used by set_current_user() for back compat. Might be deprecated in the
* future.
*
* @since 2.0.4
* @global string $userdata User description.
* @global string $user_login The user username for logging in
* @global int $user_level The level of the user
* @global int $user_ID The ID of the user
* @global string $user_email The email address of the user
* @global string $user_url The url in the user's profile
* @global string $user_pass_md5 MD5 of the user's password
* @global string $user_identity The display name of the user
*
* @param int $for_user_id Optional. User ID to setup global data.
*/
function setup_userdata($for_user_id = '') {
global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_pass_md5, $user_identity;
if ( '' == $for_user_id )
$user = wp_get_current_user();
else
$user = new WP_User($for_user_id);
if ( 0 == $user->ID )
return;
$userdata = $user->data;
$user_login = $user->user_login;
$user_level = (int) isset($user->user_level) ? $user->user_level : 0;
$user_ID = (int) $user->ID;
$user_email = $user->user_email;
$user_url = $user->user_url;
$user_pass_md5 = md5($user->user_pass);
$user_identity = $user->display_name;
}
/**
* Create dropdown HTML content of users.
*
* The content can either be displayed, which it is by default or retrieved by
* setting the 'echo' argument. The 'include' and 'exclude' arguments do not
* need to be used; all users will be displayed in that case. Only one can be
* used, either 'include' or 'exclude', but not both.
*
* The available arguments are as follows:
*
*
show_option_all - Text to show all and whether HTML option exists.
*
show_option_none - Text for show none and whether HTML option exists.
*
*
orderby - SQL order by clause for what order the users appear. Default is
* 'display_name'.
*
order - Default is 'ASC'. Can also be 'DESC'.
*
include - User IDs to include.
*
exclude - User IDs to exclude.
*
multi - Default is 'false'. Whether to skip the ID attribute on the 'select' element.
*
show - Default is 'display_name'. User table column to display. If the selected item is empty then the user_login will be displayed in parentesis
*
echo - Default is '1'. Whether to display or retrieve content.
*
selected - Which User ID is selected.
*
name - Default is 'user'. Name attribute of select element.
*
class - Class attribute of select element.
*
*
* @since 2.3.0
* @uses $wpdb WordPress database object for queries
*
* @param string|array $args Optional. Override defaults.
* @return string|null Null on display. String of HTML content on retrieve.
*/
function wp_dropdown_users( $args = '' ) {
global $wpdb;
$defaults = array(
'show_option_all' => '', 'show_option_none' => '',
'orderby' => 'display_name', 'order' => 'ASC',
'include' => '', 'exclude' => '', 'multi' => 0,
'show' => 'display_name', 'echo' => 1,
'selected' => 0, 'name' => 'user', 'class' => ''
);
$defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0;
$r = wp_parse_args( $args, $defaults );
extract( $r, EXTR_SKIP );
$query = "SELECT * FROM $wpdb->users";
$query_where = array();
if ( is_array($include) )
$include = join(',', $include);
$include = preg_replace('/[^0-9,]/', '', $include); // (int)
if ( $include )
$query_where[] = "ID IN ($include)";
if ( is_array($exclude) )
$exclude = join(',', $exclude);
$exclude = preg_replace('/[^0-9,]/', '', $exclude); // (int)
if ( $exclude )
$query_where[] = "ID NOT IN ($exclude)";
if ( $query_where )
$query .= " WHERE " . join(' AND', $query_where);
$query .= " ORDER BY $orderby $order";
$users = $wpdb->get_results( $query );
$output = '';
if ( !empty($users) ) {
$id = $multi ? "" : "id='$name'";
$output = "";
}
$output = apply_filters('wp_dropdown_users', $output);
if ( $echo )
echo $output;
return $output;
}
/**
* Add user meta data as properties to given user object.
*
* The finished user data is cached, but the cache is not used to fill in the
* user data for the given object. Once the function has been used, the cache
* should be used to retrieve user data. The purpose seems then to be to ensure
* that the data in the object is always fresh.
*
* @access private
* @since 2.5.0
* @uses $wpdb WordPress database object for queries
*
* @param object $user The user data object.
*/
function _fill_user( &$user ) {
global $wpdb;
$show = $wpdb->hide_errors();
$metavalues = $wpdb->get_results($wpdb->prepare("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user->ID));
$wpdb->show_errors($show);
if ( $metavalues ) {
foreach ( (array) $metavalues as $meta ) {
$value = maybe_unserialize($meta->meta_value);
$user->{$meta->meta_key} = $value;
}
}
$level = $wpdb->prefix . 'user_level';
if ( isset( $user->{$level} ) )
$user->user_level = $user->{$level};
// For backwards compat.
if ( isset($user->first_name) )
$user->user_firstname = $user->first_name;
if ( isset($user->last_name) )
$user->user_lastname = $user->last_name;
if ( isset($user->description) )
$user->user_description = $user->description;
wp_cache_add($user->ID, $user, 'users');
wp_cache_add($user->user_login, $user->ID, 'userlogins');
wp_cache_add($user->user_email, $user->ID, 'useremail');
wp_cache_add($user->user_nicename, $user->ID, 'userslugs');
}
/**
* Sanitize every user field.
*
* If the context is 'raw', then the user object or array will get minimal santization of the int fields.
*
* @since 2.3.0
* @uses sanitize_user_field() Used to sanitize the fields.
*
* @param object|array $user The User Object or Array
* @param string $context Optional, default is 'display'. How to sanitize user fields.
* @return object|array The now sanitized User Object or Array (will be the same type as $user)
*/
function sanitize_user_object($user, $context = 'display') {
if ( is_object($user) ) {
if ( !isset($user->ID) )
$user->ID = 0;
if ( isset($user->data) )
$vars = get_object_vars( $user->data );
else
$vars = get_object_vars($user);
foreach ( array_keys($vars) as $field ) {
if ( is_string($user->$field) || is_numeric($user->$field) )
$user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context);
}
$user->filter = $context;
} else {
if ( !isset($user['ID']) )
$user['ID'] = 0;
foreach ( array_keys($user) as $field )
$user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context);
$user['filter'] = $context;
}
return $user;
}
/**
* Sanitize user field based on context.
*
* Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The
* 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display'
* when calling filters.
*
* @since 2.3.0
* @uses apply_filters() Calls 'edit_$field' and '${field_no_prefix}_edit_pre' passing $value and
* $user_id if $context == 'edit' and field name prefix == 'user_'.
*
* @uses apply_filters() Calls 'edit_user_$field' passing $value and $user_id if $context == 'db'.
* @uses apply_filters() Calls 'pre_$field' passing $value if $context == 'db' and field name prefix == 'user_'.
* @uses apply_filters() Calls '${field}_pre' passing $value if $context == 'db' and field name prefix != 'user_'.
*
* @uses apply_filters() Calls '$field' passing $value, $user_id and $context if $context == anything
* other than 'raw', 'edit' and 'db' and field name prefix == 'user_'.
* @uses apply_filters() Calls 'user_$field' passing $value if $context == anything other than 'raw',
* 'edit' and 'db' and field name prefix != 'user_'.
*
* @param string $field The user Object field name.
* @param mixed $value The user Object value.
* @param int $user_id user ID.
* @param string $context How to sanitize user fields. Looks for 'raw', 'edit', 'db', 'display',
* 'attribute' and 'js'.
* @return mixed Sanitized value.
*/
function sanitize_user_field($field, $value, $user_id, $context) {
$int_fields = array('ID');
if ( in_array($field, $int_fields) )
$value = (int) $value;
if ( 'raw' == $context )
return $value;
if ( !is_string($value) && !is_numeric($value) )
return $value;
$prefixed = false;
if ( false !== strpos($field, 'user_') ) {
$prefixed = true;
$field_no_prefix = str_replace('user_', '', $field);
}
if ( 'edit' == $context ) {
if ( $prefixed ) {
$value = apply_filters("edit_$field", $value, $user_id);
} else {
$value = apply_filters("edit_user_$field", $value, $user_id);
}
if ( 'description' == $field )
$value = esc_html($value);
else
$value = esc_attr($value);
} else if ( 'db' == $context ) {
if ( $prefixed ) {
$value = apply_filters("pre_$field", $value);
} else {
$value = apply_filters("pre_user_$field", $value);
}
} else {
// Use display filters by default.
if ( $prefixed )
$value = apply_filters($field, $value, $user_id, $context);
else
$value = apply_filters("user_$field", $value, $user_id, $context);
}
if ( 'user_url' == $field )
$value = esc_url($value);
if ( 'attribute' == $context )
$value = esc_attr($value);
else if ( 'js' == $context )
$value = esc_js($value);
return $value;
}
?>
ject = get_post($id);
if ( $wp_rewrite->using_permalinks() && ($object->post_parent > 0) && ($object->post_parent != $id) ) {
$parent = get_post($object->post_parent);
if ( 'page' == $parent->post_type )
$parentlink = _get_page_link( $object->post_parent ); // Ignores page_on_front
else
$parentlink = get_permalink( $object->post_parent );
if ( is_numeric($object->post_name) || false !== strpos(get_option('permalink_structure'), '%category%') )
$name = 'attachment/' . $object->post_name; // // is paged so we use the explicit attachment marker
else
$name = $object->post_name;
if (strpos($parentlink, '?') === false)
$link = user_trailingslashit( trailingslashit($parentlink) . $name );
}
if (! $link ) {
$link = trailingslashit(get_bloginfo('url')) . "?attachment_id=$id";
}
return apply_filters('attachment_link', $link, $id);
}
/**
* Retrieve the permalink for the year archives.
*
* @since 1.5.0
*
* @param int|bool $year False for current year or year for permalink.
* @return string
*/
function get_year_link($year) {
global $wp_rewrite;
if ( !$year )
$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
$yearlink = $wp_rewrite->get_year_permastruct();
if ( !empty($yearlink) ) {
$yearlink = str_replace('%year%', $year, $yearlink);
return apply_filters('year_link', get_option('home') . user_trailingslashit($yearlink, 'year'), $year);
} else {
return apply_filters('year_link', trailingslashit(get_option('home')) . '?m=' . $year, $year);
}
}
/**
* Retrieve the permalink for the month archives with year.
*
* @since 1.0.0
*
* @param bool|int $year False for current year. Integer of year.
* @param bool|int $month False for current month. Integer of month.
* @return string
*/
function get_month_link($year, $month) {
global $wp_rewrite;
if ( !$year )
$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
if ( !$month )
$month = gmdate('m', time()+(get_option('gmt_offset') * 3600));
$monthlink = $wp_rewrite->get_month_permastruct();
if ( !empty($monthlink) ) {
$monthlink = str_replace('%year%', $year, $monthlink);
$monthlink = str_replace('%monthnum%', zeroise(intval($month), 2), $monthlink);
return apply_filters('month_link', get_option('home') . user_trailingslashit($monthlink, 'month'), $year, $month);
} else {
return apply_filters('month_link', trailingslashit(get_option('home')) . '?m=' . $year . zeroise($month, 2), $year, $month);
}
}
/**
* Retrieve the permalink for the day archives with year and month.
*
* @since 1.0.0
*
* @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 $day False for current day. Integer of day.
* @return string
*/
function get_day_link($year, $month, $day) {
global $wp_rewrite;
if ( !$year )
$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
if ( !$month )
$month = gmdate('m', time()+(get_option('gmt_offset') * 3600));
if ( !$day )
$day = gmdate('j', time()+(get_option('gmt_offset') * 3600));
$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), $daylink);
return apply_filters('day_link', get_option('home') . user_trailingslashit($daylink, 'day'), $year, $month, $day);
} else {
return apply_filters('day_link', trailingslashit(get_option('home')) . '?m=' . $year . zeroise($month, 2) . zeroise($day, 2), $year, $month, $day);
}
}
/**
* Retrieve the permalink for the feed type.
*
* @since 1.5.0
*
* @param string $feed Optional, defaults to default feed. Feed type.
* @return string
*/
function get_feed_link($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");
$output = get_option('home') . user_trailingslashit($permalink, 'feed');
} else {
if ( empty($feed) )
$feed = get_default_feed();
if ( false !== strpos($feed, 'comments_') )
$feed = str_replace('comments_', 'comments-', $feed);
$output = trailingslashit(get_option('home')) . "?feed={$feed}";
}
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 $feed Optional. Feed type.
* @return string
*/
function get_post_comments_feed_link($post_id = '', $feed = '') {
global $id;
if ( empty($post_id) )
$post_id = (int) $id;
if ( empty($feed) )
$feed = get_default_feed();
if ( '' != get_option('permalink_structure') ) {
$url = trailingslashit( get_permalink($post_id) ) . '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 )
$url = trailingslashit(get_option('home')) . "?feed=$feed&page_id=$post_id";
else
$url = trailingslashit(get_option('home')) . "?feed=$feed&p=$post_id";
}
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.
*
* @package WordPress
* @subpackage Feed
* @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.
* @return string Link to the comment feed for the current post.
*/
function post_comments_feed_link( $link_text = '', $post_id = '', $feed = '' ) {
$url = get_post_comments_feed_link($post_id, $feed);
if ( empty($link_text) )
$link_text = __('Comments Feed');
echo apply_filters( 'post_comments_feed_link_html', "$link_text", $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.
*
* @package WordPress
* @subpackage 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 ) {
$link = trailingslashit(get_option('home')) . "?feed=$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');
}
$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 post in a given category. A specific feed
* can be requested or left blank to get the default feed.
*
* @package WordPress
* @subpackage 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 = '') {
$cat_id = (int) $cat_id;
$category = get_category($cat_id);
if ( empty($category) || is_wp_error($category) )
return false;
if ( empty($feed) )
$feed = get_default_feed();
$permalink_structure = get_option('permalink_structure');
if ( '' == $permalink_structure ) {
$link = trailingslashit(get_option('home')) . "?feed=$feed&cat=" . $cat_id;
} else {
$link = get_category_link($cat_id);
if( $feed == get_default_feed() )
$feed_link = 'feed';
else
$feed_link = "feed/$feed";
$link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed');
}
$link = apply_filters('category_feed_link', $link, $feed);
return $link;
}
/**
* Retrieve permalink for feed of tag.
*
* @since 2.3.0
*
* @param int $tag_id Tag ID.
* @param string $feed Optional. Feed type.
* @return string
*/
function get_tag_feed_link($tag_id, $feed = '') {
$tag_id = (int) $tag_id;
$tag = get_tag($tag_id);
if ( empty($tag) || is_wp_error($tag) )
return false;
$permalink_structure = get_option('permalink_structure');
if ( empty($feed) )
$feed = get_default_feed();
if ( '' == $permalink_structure ) {
$link = trailingslashit(get_option('home')) . "?feed=$feed&tag=" . $tag->slug;
} else {
$link = get_tag_link($tag->term_id);
if ( $feed == get_default_feed() )
$feed_link = 'feed';
else
$feed_link = "feed/$feed";
$link = trailingslashit($link) . user_trailingslashit($feed_link, 'feed');
}
$link = apply_filters('tag_feed_link', $link, $feed);
return $link;
}
/**
* Retrieve edit tag link.
*
* @since 2.7.0
*
* @param int $tag_id Tag ID
* @return string
*/
function get_edit_tag_link( $tag_id = 0, $taxonomy = 'post_tag' ) {
$tag = get_term($tag_id, $taxonomy);
if ( !current_user_can('manage_categories') )
return;
$location = admin_url('edit-tags.php?action=edit&taxonomy=' . $taxonomy . '&tag_ID=' . $tag->term_id);
return apply_filters( 'get_edit_tag_link', $location );
}
/**
* 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 int|object $tag Tag object or ID
* @return string|null HTML content, if $echo is set to false.
*/
function edit_tag_link( $link = '', $before = '', $after = '', $tag = null ) {
$tag = get_term($tag, 'post_tag');
if ( !current_user_can('manage_categories') )
return;
if ( empty($link) )
$link = __('Edit This');
$link = '' . $link . '';
echo $before . apply_filters( 'edit_tag_link', $link, $tag->term_id ) . $after;
}
/**
* Retrieve the permalink for the feed of the search results.
*
* @since 2.5.0
*
* @param string $search_query Optional. Search query.
* @param string $feed Optional. Feed type.
* @return string
*/
function get_search_feed_link($search_query = '', $feed = '') {
if ( empty($search_query) )
$search = esc_attr( urlencode(get_search_query()) );
else
$search = esc_attr( urlencode(stripslashes($search_query)) );
if ( empty($feed) )
$feed = get_default_feed();
$link = trailingslashit(get_option('home')) . "?s=$search&feed=$feed";
$link = apply_filters('search_feed_link', $link);
return $link;
}
/**
* Retrieve the permalink for the comments feed of the search results.
*
* @since 2.5.0
*
* @param string $search_query Optional. Search query.
* @param string $feed Optional. Feed type.
* @return string
*/
function get_search_comments_feed_link($search_query = '', $feed = '') {
if ( empty($search_query) )
$search = esc_attr( urlencode(get_search_query()) );
else
$search = esc_attr( urlencode(stripslashes($search_query)) );
if ( empty($feed) )
$feed = get_default_feed();
$link = trailingslashit(get_option('home')) . "?s=$search&feed=comments-$feed";
$link = apply_filters('search_feed_link', $link);
return $link;
}
/**
* Retrieve edit posts link for post.
*
* Can be used within the WordPress loop or outside of it. Can be used with
* pages, posts, attachments, and revisions.
*
* @since 2.3.0
*
* @param int $id Optional. Post ID.
* @param string $context Optional, default to display. How to write the '&', defaults to '&'.
* @return string
*/
function get_edit_post_link( $id = 0, $context = 'display' ) {
if ( !$post = &get_post( $id ) )
return;
if ( 'display' == $context )
$action = 'action=edit&';
else
$action = 'action=edit&';
switch ( $post->post_type ) :
case 'page' :
if ( !current_user_can( 'edit_page', $post->ID ) )
return;
$file = 'page';
$var = 'post';
break;
case 'attachment' :
if ( !current_user_can( 'edit_post', $post->ID ) )
return;
$file = 'media';
$var = 'attachment_id';
break;
case 'revision' :
if ( !current_user_can( 'edit_post', $post->ID ) )
return;
$file = 'revision';
$var = 'revision';
$action = '';
break;
default :
if ( !current_user_can( 'edit_post', $post->ID ) )
return apply_filters( 'get_edit_post_link', '', $post->ID, $context );;
$file = 'post';
$var = 'post';
break;
endswitch;
return apply_filters( 'get_edit_post_link', admin_url("$file.php?{$action}$var=$post->ID"), $post->ID, $context );
}
/**
* Display edit post link for post.
*
* @since 1.0.0
*
* @param string $link Optional. Anchor text.
* @param string $before Optional. Display before edit link.
* @param string $after Optional. Display after edit link.
* @param int $id Optional. Post ID.
*/
function edit_post_link( $link = null, $before = '', $after = '', $id = 0 ) {
if ( !$post = &get_post( $id ) )
return;
if ( !$url = get_edit_post_link( $post->ID ) )
return;
if ( null === $link )
$link = __('Edit This');
$link = '' . $link . '';
echo $before . apply_filters( 'edit_post_link', $link, $post->ID ) . $after;
}
/**
* Retrieve delete posts link for post.
*
* Can be used within the WordPress loop or outside of it. Can be used with
* pages, posts, attachments, and revisions.
*
* @since 2.9.0
*
* @param int $id Optional. Post ID.
* @param string $context Optional, default to display. How to write the '&', defaults to '&'.
* @return string
*/
function get_delete_post_link($id = 0, $context = 'display') {
if ( !$post = &get_post( $id ) )
return;
if ( 'display' == $context )
$action = 'action=trash&';
else
$action = 'action=trash&';
switch ( $post->post_type ) :
case 'page' :
if ( !current_user_can( 'delete_page', $post->ID ) )
return;
$file = 'page';
$var = 'post';
break;
case 'attachment' :
if ( !current_user_can( 'delete_post', $post->ID ) )
return;
$file = 'media';
$var = 'attachment_id';
break;
case 'revision' :
if ( !current_user_can( 'delete_post', $post->ID ) )
return;
$file = 'revision';
$var = 'revision';
$action = '';
break;
default :
if ( !current_user_can( 'edit_post', $post->ID ) )
return apply_filters( 'get_delete_post_link', '', $post->ID, $context );;
$file = 'post';
$var = 'post';
break;
endswitch;
return apply_filters( 'get_delete_post_link', wp_nonce_url( admin_url("$file.php?{$action}$var=$post->ID"), "trash-{$file}_" . $post->ID ), $context );
}
/**
* Retrieve edit comment link.
*
* @since 2.3.0
*
* @param int $comment_id Optional. Comment ID.
* @return string
*/
function get_edit_comment_link( $comment_id = 0 ) {
$comment = &get_comment( $comment_id );
$post = &get_post( $comment->comment_post_ID );
if ( $post->post_type == 'page' ) {
if ( !current_user_can( 'edit_page', $post->ID ) )
return;
} else {
if ( !current_user_can( 'edit_post', $post->ID ) )
return;
}
$location = admin_url('comment.php?action=editcomment&c=') . $comment->comment_ID;
return apply_filters( 'get_edit_comment_link', $location );
}
/**
* Display or retrieve edit comment link with formatting.
*
* @since 1.0.0
*
* @param string $link Optional. Anchor text.
* @param string $before Optional. Display before edit link.
* @param string $after Optional. Display after edit link.
* @return string|null HTML content, if $echo is set to false.
*/
function edit_comment_link( $link = null, $before = '', $after = '' ) {
global $comment, $post;
if ( $post->post_type == 'page' ) {
if ( !current_user_can( 'edit_page', $post->ID ) )
return;
} else {
if ( !current_user_can( 'edit_post', $post->ID ) )
return;
}
if ( null === $link )
$link = __('Edit This');
$link = '' . $link . '';
echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID ) . $after;
}
/**
* Display edit bookmark (literally a URL external to blog) link.
*
* @since 2.7.0
*
* @param int $link Optional. Bookmark ID.
* @return string
*/
function get_edit_bookmark_link( $link = 0 ) {
$link = get_bookmark( $link );
if ( !current_user_can('manage_links') )
return;
$location = admin_url('link.php?action=edit&link_id=') . $link->link_id;
return apply_filters( 'get_edit_bookmark_link', $location, $link->link_id );
}
/**
* Display edit bookmark (literally a URL external to blog) link anchor content.
*
* @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 int $bookmark Optional. Bookmark ID.
*/
function edit_bookmark_link( $link = '', $before = '', $after = '', $bookmark = null ) {
$bookmark = get_bookmark($bookmark);
if ( !current_user_can('manage_links') )
return;
if ( empty($link) )
$link = __('Edit This');
$link = '' . $link . '';
echo $before . apply_filters( 'edit_bookmark_link', $link, $bookmark->link_id ) . $after;
}
// Navigation links
/**
* Retrieve previous post link that is adjacent to current post.
*
* @since 1.5.0
*
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @return string
*/
function get_previous_post($in_same_cat = false, $excluded_categories = '') {
return get_adjacent_post($in_same_cat, $excluded_categories);
}
/**
* Retrieve next post link that is adjacent to current post.
*
* @since 1.5.0
*
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @return string
*/
function get_next_post($in_same_cat = false, $excluded_categories = '') {
return get_adjacent_post($in_same_cat, $excluded_categories, false);
}
/**
* Retrieve adjacent post link.
*
* Can either be next or previous post link.
*
* @since 2.5.0
*
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @param bool $previous Optional. Whether to retrieve previous post.
* @return string
*/
function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $previous = true) {
global $post, $wpdb;
if ( empty($post) || !is_single() || is_attachment() )
return null;
$current_post_date = $post->post_date;
$join = '';
$posts_in_ex_cats_sql = '';
if ( $in_same_cat || !empty($excluded_categories) ) {
$join = " INNER JOIN $wpdb->term_relationships AS tr ON p.ID = tr.object_id INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id";
if ( $in_same_cat ) {
$cat_array = wp_get_object_terms($post->ID, 'category', 'fields=ids');
$join .= " AND tt.taxonomy = 'category' AND tt.term_id IN (" . implode(',', $cat_array) . ")";
}
$posts_in_ex_cats_sql = "AND tt.taxonomy = 'category'";
if ( !empty($excluded_categories) ) {
$excluded_categories = array_map('intval', explode(' and ', $excluded_categories));
if ( !empty($cat_array) ) {
$excluded_categories = array_diff($excluded_categories, $cat_array);
$posts_in_ex_cats_sql = '';
}
if ( !empty($excluded_categories) ) {
$posts_in_ex_cats_sql = " AND tt.taxonomy = 'category' AND tt.term_id NOT IN (" . implode($excluded_categories, ',') . ')';
}
}
}
$adjacent = $previous ? 'previous' : 'next';
$op = $previous ? '<' : '>';
$order = $previous ? 'DESC' : 'ASC';
$join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_cat, $excluded_categories );
$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $posts_in_ex_cats_sql", $current_post_date, $post->post_type), $in_same_cat, $excluded_categories );
$sort = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" );
$query = "SELECT p.* FROM $wpdb->posts AS p $join $where $sort";
$query_key = 'adjacent_post_' . md5($query);
$result = wp_cache_get($query_key, 'counts');
if ( false !== $result )
return $result;
$result = $wpdb->get_row("SELECT p.* FROM $wpdb->posts AS p $join $where $sort");
if ( null === $result )
$result = '';
wp_cache_set($query_key, $result, 'counts');
return $result;
}
/**
* Get adjacent post relational link.
*
* Can either be next or previous post relational link.
*
* @since 2.8.0
*
* @param string $title Optional. Link title format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @param bool $previous Optional, default is true. Whether display link to previous post.
* @return string
*/
function get_adjacent_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $previous = true) {
if ( $previous && is_attachment() )
$post = & get_post($GLOBALS['post']->post_parent);
else
$post = get_adjacent_post($in_same_cat,$excluded_categories,$previous);
if ( empty($post) )
return;
if ( empty($post->post_title) )
$post->post_title = $previous ? __('Previous Post') : __('Next Post');
$date = mysql2date(get_option('date_format'), $post->post_date);
$title = str_replace('%title', $post->post_title, $title);
$title = str_replace('%date', $date, $title);
$title = apply_filters('the_title', $title, $post);
$link = $previous ? "\n";
$adjacent = $previous ? 'previous' : 'next';
return apply_filters( "{$adjacent}_post_rel_link", $link );
}
/**
* Display relational links for the posts adjacent to the current post.
*
* @since 2.8.0
*
* @param string $title Optional. Link title format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
*/
function adjacent_posts_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true);
echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false);
}
/**
* Display relational link for the next post adjacent to the current post.
*
* @since 2.8.0
*
* @param string $title Optional. Link title format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
*/
function next_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false);
}
/**
* Display relational link for the previous post adjacent to the current post.
*
* @since 2.8.0
*
* @param string $title Optional. Link title format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
*/
function prev_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true);
}
/**
* Retrieve boundary post.
*
* Boundary being either the first or last post by publish date within the contraitns specified
* by in same category or excluded categories.
*
* @since 2.8.0
*
* @param bool $in_same_cat Optional. Whether returned post should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @param bool $previous Optional. Whether to retrieve first post.
* @return object
*/
function get_boundary_post($in_same_cat = false, $excluded_categories = '', $start = true) {
global $post, $wpdb;
if ( empty($post) || !is_single() || is_attachment() )
return null;
$cat_array = array();
$excluded_categories = array();
if ( !empty($in_same_cat) || !empty($excluded_categories) ) {
if ( !empty($in_same_cat) ) {
$cat_array = wp_get_object_terms($post->ID, 'category', 'fields=ids');
}
if ( !empty($excluded_categories) ) {
$excluded_categories = array_map('intval', explode(',', $excluded_categories));
if ( !empty($cat_array) )
$excluded_categories = array_diff($excluded_categories, $cat_array);
$inverse_cats = array();
foreach ( $excluded_categories as $excluded_category)
$inverse_cats[] = $excluded_category * -1;
$excluded_categories = $inverse_cats;
}
}
$categories = implode(',', array_merge($cat_array, $excluded_categories) );
$order = $start ? 'ASC' : 'DESC';
return get_posts( array('numberposts' => 1, 'order' => $order, 'orderby' => 'ID', 'category' => $categories) );
}
/**
* Get boundary post relational link.
*
* Can either be start or end post relational link.
*
* @since 2.8.0
*
* @param string $title Optional. Link title format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @param bool $start Optional, default is true. Whether display link to first post.
* @return string
*/
function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {
$posts = get_boundary_post($in_same_cat,$excluded_categories,$start);
// Even though we limited get_posts to return only 1 item it still returns an array of objects.
$post = $posts[0];
if ( empty($post) )
return;
if ( empty($post->post_title) )
$post->post_title = $start ? __('First Post') : __('Last Post');
$date = mysql2date(get_option('date_format'), $post->post_date);
$title = str_replace('%title', $post->post_title, $title);
$title = str_replace('%date', $date, $title);
$title = apply_filters('the_title', $title, $post);
$link = $start ? "\n";
$boundary = $start ? 'start' : 'end';
return apply_filters( "{$boundary}_post_rel_link", $link );
}
/**
* Display relational link for the first post.
*
* @since 2.8.0
*
* @param string $title Optional. Link title format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
*/
function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
}
/**
* Get site index relational link.
*
* @since 2.8.0
*
* @return string
*/
function get_index_rel_link() {
$link = "\n";
return apply_filters( "index_rel_link", $link );
}
/**
* Display relational link for the site index.
*
* @since 2.8.0
*/
function index_rel_link() {
echo get_index_rel_link();
}
/**
* Get parent post relational link.
*
* @since 2.8.0
*
* @param string $title Optional. Link title format.
* @return string
*/
function get_parent_post_rel_link($title = '%title') {
if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
$post = & get_post($GLOBALS['post']->post_parent);
if ( empty($post) )
return;
$date = mysql2date(get_option('date_format'), $post->post_date);
$title = str_replace('%title', $post->post_title, $title);
$title = str_replace('%date', $date, $title);
$title = apply_filters('the_title', $title, $post);
$link = "\n";
return apply_filters( "parent_post_rel_link", $link );
}
/**
* Display relational link for parent item
*
* @since 2.8.0
*/
function parent_post_rel_link($title = '%title') {
echo get_parent_post_rel_link($title);
}
/**
* Display previous post link that is adjacent to the current post.
*
* @since 1.5.0
*
* @param string $format Optional. Link anchor format.
* @param string $link Optional. Link permalink format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
*/
function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, true);
}
/**
* Display next post link that is adjacent to the current post.
*
* @since 1.5.0
*
* @param string $format Optional. Link anchor format.
* @param string $link Optional. Link permalink format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
*/
function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') {
adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, false);
}
/**
* Display adjacent post link.
*
* Can be either next post link or previous.
*
* @since 2.5.0
*
* @param string $format Link anchor format.
* @param string $link Link permalink format.
* @param bool $in_same_cat Optional. Whether link should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @param bool $previous Optional, default is true. Whether display link to previous post.
*/
function adjacent_post_link($format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true) {
if ( $previous && is_attachment() )
$post = & get_post($GLOBALS['post']->post_parent);
else
$post = get_adjacent_post($in_same_cat, $excluded_categories, $previous);
if ( !$post )
return;
$title = $post->post_title;
if ( empty($post->post_title) )
$title = $previous ? __('Previous Post') : __('Next Post');
$title = apply_filters('the_title', $title, $post);
$date = mysql2date(get_option('date_format'), $post->post_date);
$rel = $previous ? 'prev' : 'next';
$string = '';
$link = str_replace('%title', $title, $link);
$link = str_replace('%date', $date, $link);
$link = $string . $link . '';
$format = str_replace('%link', $link, $format);
$adjacent = $previous ? 'previous' : 'next';
echo apply_filters( "{$adjacent}_post_link", $format, $link );
}
/**
* Retrieve get links for page numbers.
*
* @since 1.5.0
*
* @param int $pagenum Optional. Page ID.
* @return string
*/
function get_pagenum_link($pagenum = 1) {
global $wp_rewrite;
$pagenum = (int) $pagenum;
$request = remove_query_arg( 'paged' );
$home_root = parse_url(get_option('home'));
$home_root = ( isset($home_root['path']) ) ? $home_root['path'] : '';
$home_root = preg_quote( trailingslashit( $home_root ), '|' );
$request = preg_replace('|^'. $home_root . '|', '', $request);
$request = preg_replace('|^/+|', '', $request);
if ( !$wp_rewrite->using_permalinks() || is_admin() ) {
$base = trailingslashit( get_bloginfo( 'home' ) );
if ( $pagenum > 1 ) {
$result = add_query_arg( 'paged', $pagenum, $base . $request );
} else {
$result = $base . $request;
}
} else {
$qs_regex = '|\?.*?$|';
preg_match( $qs_regex, $request, $qs_match );
if ( !empty( $qs_match[0] ) ) {
$query_string = $qs_match[0];
$request = preg_replace( $qs_regex, '', $request );
} else {
$query_string = '';
}
$request = preg_replace( '|page/\d+/?$|', '', $request);
$request = preg_replace( '|^index\.php|', '', $request);
$request = ltrim($request, '/');
$base = trailingslashit( get_bloginfo( 'url' ) );
if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' != $request ) )
$base .= 'index.php/';
if ( $pagenum > 1 ) {
$request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( 'page/' . $pagenum, 'paged' );
}
$result = $base . $request . $query_string;
}
$result = apply_filters('get_pagenum_link', $result);
return $result;
}
/**
* Retrieve next posts pages link.
*
* Backported from 2.1.3 to 2.0.10.
*
* @since 2.0.10
*
* @param int $max_page Optional. Max pages.
* @return string
*/
function get_next_posts_page_link($max_page = 0) {
global $paged;
if ( !is_single() ) {
if ( !$paged )
$paged = 1;
$nextpage = intval($paged) + 1;
if ( !$max_page || $max_page >= $nextpage )
return get_pagenum_link($nextpage);
}
}
/**
* Display or return the next posts pages link.
*
* @since 0.71
*
* @param int $max_page Optional. Max pages.
* @param boolean $echo Optional. Echo or return;
*/
function next_posts( $max_page = 0, $echo = true ) {
$output = esc_url( get_next_posts_page_link( $max_page ) );
if ( $echo )
echo $output;
else
return $output;
}
/**
* Return the next posts pages link.
*
* @since 2.7.0
*
* @param string $label Content for link text.
* @param int $max_page Optional. Max pages.
* @return string|null
*/
function get_next_posts_link( $label = 'Next Page »', $max_page = 0 ) {
global $paged, $wp_query;
if ( !$max_page ) {
$max_page = $wp_query->max_num_pages;
}
if ( !$paged )
$paged = 1;
$nextpage = intval($paged) + 1;
if ( !is_single() && ( empty($paged) || $nextpage <= $max_page) ) {
$attr = apply_filters( 'next_posts_link_attributes', '' );
return '". preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'';
}
}
/**
* Display the next posts pages link.
*
* @since 0.71
* @uses get_next_posts_link()
*
* @param string $label Content for link text.
* @param int $max_page Optional. Max pages.
*/
function next_posts_link( $label = 'Next Page »', $max_page = 0 ) {
echo get_next_posts_link( $label, $max_page );
}
/**
* Retrieve previous post pages link.
*
* Will only return string, if not on a single page or post.
*
* Backported to 2.0.10 from 2.1.3.
*
* @since 2.0.10
*
* @return string|null
*/
function get_previous_posts_page_link() {
global $paged;
if ( !is_single() ) {
$nextpage = intval($paged) - 1;
if ( $nextpage < 1 )
$nextpage = 1;
return get_pagenum_link($nextpage);
}
}
/**
* Display or return the previous posts pages link.
*
* @since 0.71
*
* @param boolean $echo Optional. Echo or return;
*/
function previous_posts( $echo = true ) {
$output = esc_url( get_previous_posts_page_link() );
if ( $echo )
echo $output;
else
return $output;
}
/**
* Return the previous posts pages link.
*
* @since 2.7.0
*
* @param string $label Optional. Previous page link text.
* @return string|null
*/
function get_previous_posts_link( $label = '« Previous Page' ) {
global $paged;
if ( !is_single() && $paged > 1 ) {
$attr = apply_filters( 'previous_posts_link_attributes', '' );
return '". preg_replace( '/&([^#])(?![a-z]{1,8};)/', '&$1', $label ) .'';
}
}
/**
* Display the previous posts page link.
*
* @since 0.71
* @uses get_previous_posts_link()
*
* @param string $label Optional. Previous page link text.
*/
function previous_posts_link( $label = '« Previous Page' ) {
echo get_previous_posts_link( $label );
}
/**
* Return post pages link navigation for previous and next pages.
*
* @since 2.8
*
* @param string|array $args Optional args.
* @return string The posts link navigation.
*/
function get_posts_nav_link( $args = array() ) {
global $wp_query;
$return = '';
if ( !is_singular() ) {
$defaults = array(
'sep' => ' — ',
'prelabel' => __('« Previous Page'),
'nxtlabel' => __('Next Page »'),
);
$args = wp_parse_args( $args, $defaults );
$max_num_pages = $wp_query->max_num_pages;
$paged = get_query_var('paged');
//only have sep if there's both prev and next results
if ($paged < 2 || $paged >= $max_num_pages) {
$args['sep'] = '';
}
if ( $max_num_pages > 1 ) {
$return = get_previous_posts_link($args['prelabel']);
$return .= preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $args['sep']);
$return .= get_next_posts_link($args['nxtlabel']);
}
}
return $return;
}
/**
* Display post pages link navigation for previous and next pages.
*
* @since 0.71
*
* @param string $sep Optional. Separator for posts navigation links.
* @param string $prelabel Optional. Label for previous pages.
* @param string $nxtlabel Optional Label for next pages.
*/
function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) {
$args = array_filter( compact('sep', 'prelabel', 'nxtlabel') );
echo get_posts_nav_link($args);
}
/**
* Retrieve page numbers links.
*
* @since 2.7.0
*
* @param int $pagenum Optional. Page number.
* @return string
*/
function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) {
global $post, $wp_rewrite;
$pagenum = (int) $pagenum;
$result = get_permalink( $post->ID );
if ( 'newest' == get_option('default_comments_page') ) {
if ( $pagenum != $max_page ) {
if ( $wp_rewrite->using_permalinks() )
$result = user_trailingslashit( trailingslashit($result) . 'comment-page-' . $pagenum, 'commentpaged');
else
$result = add_query_arg( 'cpage', $pagenum, $result );
}
} elseif ( $pagenum > 1 ) {
if ( $wp_rewrite->using_permalinks() )
$result = user_trailingslashit( trailingslashit($result) . 'comment-page-' . $pagenum, 'commentpaged');
else
$result = add_query_arg( 'cpage', $pagenum, $result );
}
$result .= '#comments';
$result = apply_filters('get_comments_pagenum_link', $result);
return $result;
}
/**
* Return the link to next comments pages.
*
* @since 2.7.1
*
* @param string $label Optional. Label for link text.
* @param int $max_page Optional. Max page.
* @return string|null
*/
function get_next_comments_link( $label = '', $max_page = 0 ) {
global $wp_query;
if ( !is_singular() || !get_option('page_comments') )
return;
$page = get_query_var('cpage');
$nextpage = intval($page) + 1;
if ( empty($max_page) )
$max_page = $wp_query->max_num_comment_pages;
if ( empty($max_page) )
$max_page = get_comment_pages_count();
if ( $nextpage > $max_page )
return;
if ( empty($label) )
$label = __('Newer Comments »');
return ''. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'';
}
/**
* Display the link to next comments pages.
*
* @since 2.7.0
*
* @param string $label Optional. Label for link text.
* @param int $max_page Optional. Max page.
*/
function next_comments_link( $label = '', $max_page = 0 ) {
echo get_next_comments_link( $label, $max_page );
}
/**
* Return the previous comments page link.
*
* @since 2.7.1
*
* @param string $label Optional. Label for comments link text.
* @return string|null
*/
function get_previous_comments_link( $label = '' ) {
if ( !is_singular() || !get_option('page_comments') )
return;
$page = get_query_var('cpage');
if ( intval($page) <= 1 )
return;
$prevpage = intval($page) - 1;
if ( empty($label) )
$label = __('« Older Comments');
return '' . preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'';
}
/**
* Display the previous comments page link.
*
* @since 2.7.0
*
* @param string $label Optional. Label for comments link text.
*/
function previous_comments_link( $label = '' ) {
echo get_previous_comments_link( $label );
}
/**
* Create pagination links for the comments on the current post.
*
* @see paginate_links()
* @since 2.7.0
*
* @param string|array $args Optional args. See paginate_links.
* @return string Markup for pagination links.
*/
function paginate_comments_links($args = array()) {
global $wp_query, $wp_rewrite;
if ( !is_singular() || !get_option('page_comments') )
return;
$page = get_query_var('cpage');
if ( !$page )
$page = 1;
$max_page = get_comment_pages_count();
$defaults = array(
'base' => add_query_arg( 'cpage', '%#%' ),
'format' => '',
'total' => $max_page,
'current' => $page,
'echo' => true,
'add_fragment' => '#comments'
);
if ( $wp_rewrite->using_permalinks() )
$defaults['base'] = user_trailingslashit(trailingslashit(get_permalink()) . 'comment-page-%#%', 'commentpaged');
$args = wp_parse_args( $args, $defaults );
$page_links = paginate_links( $args );
if ( $args['echo'] )
echo $page_links;
else
return $page_links;
}
/**
* Retrieve shortcut link.
*
* Use this in 'a' element 'href' attribute.
*
* @since 2.6.0
*
* @return string
*/
function get_shortcut_link() {
$link = "javascript:
var d=document,
w=window,
e=w.getSelection,
k=d.getSelection,
x=d.selection,
s=(e?e():(k)?k():(x?x.createRange().text:0)),
f='" . admin_url('press-this.php') . "',
l=d.location,
e=encodeURIComponent,
u=f+'?u='+e(l.href)+'&t='+e(d.title)+'&s='+e(s)+'&v=4';
a=function(){if(!w.open(u,'t','toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'))l.href=u;};
if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0); else a();
void(0)";
$link = str_replace(array("\r", "\n", "\t"), '', $link);
return apply_filters('shortcut_link', $link);
}
/**
* Retrieve the site url.
*
* Returns the 'site_url' option with the appropriate protocol, 'https' if
* is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is
* overridden.
*
* @package WordPress
* @since 2.6.0
*
* @param string $path Optional. Path relative to the site url.
* @param string $scheme Optional. Scheme to give the site url context. Currently 'http','https', 'login', 'login_post', or 'admin'.
* @return string Site url link with optional path appended.
*/
function site_url($path = '', $scheme = null) {
// should the list of allowed schemes be maintained elsewhere?
$orig_scheme = $scheme;
if ( !in_array($scheme, array('http', 'https')) ) {
if ( ( 'login_post' == $scheme || 'rpc' == $scheme ) && ( force_ssl_login() || force_ssl_admin() ) )
$scheme = 'https';
elseif ( ('login' == $scheme) && ( force_ssl_admin() ) )
$scheme = 'https';
elseif ( ('admin' == $scheme) && force_ssl_admin() )
$scheme = 'https';
else
$scheme = ( is_ssl() ? 'https' : 'http' );
}
$url = str_replace( 'http://', "{$scheme}://", get_option('siteurl') );
if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
$url .= '/' . ltrim($path, '/');
return apply_filters('site_url', $url, $path, $orig_scheme);
}
/**
* Retrieve the url to the admin area.
*
* @package WordPress
* @since 2.6.0
*
* @param string $path Optional path relative to the admin url
* @return string Admin url link with optional path appended
*/
function admin_url($path = '') {
$url = site_url('wp-admin/', 'admin');
if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
$url .= ltrim($path, '/');
return apply_filters('admin_url', $url, $path);
}
/**
* Retrieve the url to the includes directory.
*
* @package WordPress
* @since 2.6.0
*
* @param string $path Optional. Path relative to the includes url.
* @return string Includes url link with optional path appended.
*/
function includes_url($path = '') {
$url = site_url() . '/' . WPINC . '/';
if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
$url .= ltrim($path, '/');
return apply_filters('includes_url', $url, $path);
}
/**
* Retrieve the url to the content directory.
*
* @package WordPress
* @since 2.6.0
*
* @param string $path Optional. Path relative to the content url.
* @return string Content url link with optional path appended.
*/
function content_url($path = '') {
$scheme = ( is_ssl() ? 'https' : 'http' );
$url = WP_CONTENT_URL;
if ( 0 === strpos($url, 'http') ) {
if ( is_ssl() )
$url = str_replace( 'http://', "{$scheme}://", $url );
}
if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
$url .= '/' . ltrim($path, '/');
return apply_filters('content_url', $url, $path);
}
/**
* Retrieve the url to the plugins directory or to a specific file within that directory.
* You can hardcode the plugin slug in $path or pass __FILE__ as a second argument to get the correct folder name.
*
* @package WordPress
* @since 2.6.0
*
* @param string $path Optional. Path relative to the plugins url.
* @param string $plugin Optional. The plugin file that you want to be relative to - i.e. pass in __FILE__
* @return string Plugins url link with optional path appended.
*/
function plugins_url($path = '', $plugin = '') {
$scheme = ( is_ssl() ? 'https' : 'http' );
if ( $plugin !== '' && preg_match('#^' . preg_quote(WPMU_PLUGIN_DIR . DIRECTORY_SEPARATOR, '#') . '#', $plugin) ) {
$url = WPMU_PLUGIN_URL;
} else {
$url = WP_PLUGIN_URL;
}
if ( 0 === strpos($url, 'http') ) {
if ( is_ssl() )
$url = str_replace( 'http://', "{$scheme}://", $url );
}
if ( !empty($plugin) && is_string($plugin) ) {
$folder = dirname(plugin_basename($plugin));
if ('.' != $folder)
$url .= '/' . ltrim($folder, '/');
}
if ( !empty($path) && is_string($path) && strpos($path, '..') === false )
$url .= '/' . ltrim($path, '/');
return apply_filters('plugins_url', $url, $path, $plugin);
}
/**
* Output rel=canonical for singular queries
*
* @package WordPress
* @since 2.9.0
*/
function rel_canonical() {
if ( !is_singular() )
return;
global $wp_the_query;
if ( !$id = $wp_the_query->get_queried_object_id() )
return;
$link = get_permalink( $id );
echo "\n";
}
?>
nd passed to _walk_bookmarks().
* @see get_bookmarks() For other arguments that can be set in this function and
* passed to get_bookmarks().
* @link http://codex.wordpress.org/Template_Tags/wp_list_bookmarks
*
* @since 2.1.0
* @uses _list_bookmarks() Used to iterate over all of the bookmarks and return
* the html
* @uses get_terms() Gets all of the categories that are for links.
*
* @param string|array $args Optional. Overwrite the defaults of the function
* @return string|null Will only return if echo option is set to not echo.
* Default is not return anything.
*/
function wp_list_bookmarks($args = '') {
$defaults = array(
'orderby' => 'name', 'order' => 'ASC',
'limit' => -1, 'category' => '', 'exclude_category' => '',
'category_name' => '', 'hide_invisible' => 1,
'show_updated' => 0, 'echo' => 1,
'categorize' => 1, 'title_li' => __('Bookmarks'),
'title_before' => '
\n$category_after\n";
}
} else {
//output one single list using title_li for the title
$bookmarks = get_bookmarks($r);
if ( !empty($bookmarks) ) {
if ( !empty( $title_li ) ){
$output .= str_replace(array('%id', '%class'), array("linkcat-$category", $class), $category_before);
$output .= "$title_before$title_li$title_after\n\t