*/
/**
- * Retrieve Bookmark data based on ID
+ * Retrieve Bookmark data
*
- * @since 2.1
- * @uses $wpdb Database Object
+ * @since 2.1.0
*
- * @param int $bookmark_id
- * @param string $output Optional. Either OBJECT, ARRAY_N, or ARRAY_A constant
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|stdClass $bookmark
+ * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to
+ * an stdClass object, an associative array, or a numeric array, respectively. Default OBJECT.
* @param string $filter Optional, default is 'raw'.
- * @return array|object Type returned depends on $output value.
+ * @return array|object|null Type returned depends on $output value.
*/
-function get_bookmark($bookmark_id, $output = OBJECT, $filter = 'raw') {
+function get_bookmark($bookmark, $output = OBJECT, $filter = 'raw') {
global $wpdb;
- $link = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->links WHERE link_id = %d LIMIT 1", $bookmark_id));
- $link->link_category = array_unique( wp_get_object_terms($link->link_id, 'link_category', 'fields=ids') );
+ if ( empty($bookmark) ) {
+ if ( isset($GLOBALS['link']) )
+ $_bookmark = & $GLOBALS['link'];
+ else
+ $_bookmark = null;
+ } elseif ( is_object($bookmark) ) {
+ wp_cache_add($bookmark->link_id, $bookmark, 'bookmark');
+ $_bookmark = $bookmark;
+ } else {
+ if ( isset($GLOBALS['link']) && ($GLOBALS['link']->link_id == $bookmark) ) {
+ $_bookmark = & $GLOBALS['link'];
+ } elseif ( ! $_bookmark = wp_cache_get($bookmark, 'bookmark') ) {
+ $_bookmark = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->links WHERE link_id = %d LIMIT 1", $bookmark));
+ if ( $_bookmark ) {
+ $_bookmark->link_category = array_unique( wp_get_object_terms( $_bookmark->link_id, 'link_category', array( 'fields' => 'ids' ) ) );
+ wp_cache_add( $_bookmark->link_id, $_bookmark, 'bookmark' );
+ }
+ }
+ }
- $link = sanitize_bookmark($link, $filter);
+ if ( ! $_bookmark )
+ return $_bookmark;
+
+ $_bookmark = sanitize_bookmark($_bookmark, $filter);
if ( $output == OBJECT ) {
- return $link;
+ return $_bookmark;
} elseif ( $output == ARRAY_A ) {
- return get_object_vars($link);
+ return get_object_vars($_bookmark);
} elseif ( $output == ARRAY_N ) {
- return array_values(get_object_vars($link));
+ return array_values(get_object_vars($_bookmark));
} else {
- return $link;
+ return $_bookmark;
}
}
/**
* Retrieve single bookmark data item or field.
*
- * @since 2.3
- * @uses get_bookmark() Gets bookmark object using $bookmark as ID
- * @uses sanitize_bookmark_field() Sanitizes Bookmark field based on $context.
+ * @since 2.3.0
*
* @param string $field The name of the data field to return
* @param int $bookmark The bookmark ID to get field
* @param string $context Optional. The context of how the field will be used.
- * @return string
+ * @return string|WP_Error
*/
function get_bookmark_field( $field, $bookmark, $context = 'display' ) {
$bookmark = (int) $bookmark;
return sanitize_bookmark_field($field, $bookmark->$field, $bookmark->link_id, $context);
}
-/**
- * Retrieve bookmark data based on ID.
- *
- * @since 2.0
- * @deprecated Use get_bookmark()
- * @see get_bookmark()
- *
- * @param int $bookmark_id ID of link
- * @param string $output Either OBJECT, ARRAY_N, or ARRAY_A
- * @return object|array
- */
-function get_link($bookmark_id, $output = OBJECT, $filter = 'raw') {
- return get_bookmark($bookmark_id, $output, $filter);
-}
-
/**
* Retrieves the list of bookmarks
*
* that fails, then the query will be built from the arguments and executed. The
* results will be stored to the cache.
*
- * List of default arguments are as follows:
- * 'orderby' - Default is 'name' (string). How to order the links by. String is
- * based off of the bookmark scheme.
- * 'order' - Default is 'ASC' (string). Either 'ASC' or 'DESC'. Orders in either
- * ascending or descending order.
- * 'limit' - Default is -1 (integer) or show all. The amount of bookmarks to
- * display.
- * 'category' - Default is empty string (string). Include the links in what
- * category ID(s).
- * 'category_name' - Default is empty string (string). Get links by category
- * name.
- * 'hide_invisible' - Default is 1 (integer). Whether to show (default) or hide
- * links marked as 'invisible'.
- * 'show_updated' - Default is 0 (integer). Will show the time of when the
- * bookmark was last updated.
- * 'include' - Default is empty string (string). Include other categories
- * separated by commas.
- * 'exclude' - Default is empty string (string). Exclude other categories
- * separated by commas.
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
*
- * @since 2.1
- * @uses $wpdb Database Object
- * @link http://codex.wordpress.org/Template_Tags/get_bookmarks
+ * @param string|array $args {
+ * Optional. String or array of arguments to retrieve bookmarks.
*
- * @param string|array $args List of arguments to overwrite the defaults
- * @return array List of bookmark row objects
+ * @type string $orderby How to order the links by. Accepts post fields. Default 'name'.
+ * @type string $order Whether to order bookmarks in ascending or descending order.
+ * Accepts 'ASC' (ascending) or 'DESC' (descending). Default 'ASC'.
+ * @type int $limit Amount of bookmarks to display. Accepts 1+ or -1 for all.
+ * Default -1.
+ * @type string $category Comma-separated list of category ids to include links from.
+ * Default empty.
+ * @type string $category_name Category to retrieve links for by name. Default empty.
+ * @type int|bool $hide_invisible Whether to show or hide links marked as 'invisible'. Accepts
+ * 1|true or 0|false. Default 1|true.
+ * @type int|bool $show_updated Whether to display the time the bookmark was last updated.
+ * Accepts 1|true or 0|false. Default 0|false.
+ * @type string $include Comma-separated list of bookmark IDs to include. Default empty.
+ * @type string $exclude Comma-separated list of bookmark IDs to exclude. Default empty.
+ * }
+ * @return array List of bookmark row objects.
*/
-function get_bookmarks($args = '') {
+function get_bookmarks( $args = '' ) {
global $wpdb;
$defaults = array(
);
$r = wp_parse_args( $args, $defaults );
- extract( $r, EXTR_SKIP );
$key = md5( serialize( $r ) );
- if ( $cache = wp_cache_get( 'get_bookmarks', 'bookmark' ) )
- if ( isset( $cache[ $key ] ) )
- return apply_filters('get_bookmarks', $cache[ $key ], $r );
+ $cache = false;
+ if ( 'rand' !== $r['orderby'] && $cache = wp_cache_get( 'get_bookmarks', 'bookmark' ) ) {
+ if ( is_array( $cache ) && isset( $cache[ $key ] ) ) {
+ $bookmarks = $cache[ $key ];
+ /**
+ * Filters the returned list of bookmarks.
+ *
+ * The first time the hook is evaluated in this file, it returns the cached
+ * bookmarks list. The second evaluation returns a cached bookmarks list if the
+ * link category is passed but does not exist. The third evaluation returns
+ * the full cached results.
+ *
+ * @since 2.1.0
+ *
+ * @see get_bookmarks()
+ *
+ * @param array $bookmarks List of the cached bookmarks.
+ * @param array $r An array of bookmark query arguments.
+ */
+ return apply_filters( 'get_bookmarks', $bookmarks, $r );
+ }
+ }
+
+ if ( ! is_array( $cache ) ) {
+ $cache = array();
+ }
$inclusions = '';
- if ( !empty($include) ) {
- $exclude = ''; //ignore exclude, category, and category_name params if using include
- $category = '';
- $category_name = '';
- $inclinks = preg_split('/[\s,]+/',$include);
- if ( count($inclinks) ) {
+ if ( ! empty( $r['include'] ) ) {
+ $r['exclude'] = ''; //ignore exclude, category, and category_name params if using include
+ $r['category'] = '';
+ $r['category_name'] = '';
+ $inclinks = preg_split( '/[\s,]+/', $r['include'] );
+ if ( count( $inclinks ) ) {
foreach ( $inclinks as $inclink ) {
- if (empty($inclusions))
- $inclusions = ' AND ( link_id = ' . intval($inclink) . ' ';
- else
- $inclusions .= ' OR link_id = ' . intval($inclink) . ' ';
+ if ( empty( $inclusions ) ) {
+ $inclusions = ' AND ( link_id = ' . intval( $inclink ) . ' ';
+ } else {
+ $inclusions .= ' OR link_id = ' . intval( $inclink ) . ' ';
+ }
}
}
}
- if (!empty($inclusions))
+ if (! empty( $inclusions ) ) {
$inclusions .= ')';
+ }
$exclusions = '';
- if ( !empty($exclude) ) {
- $exlinks = preg_split('/[\s,]+/',$exclude);
- if ( count($exlinks) ) {
+ if ( ! empty( $r['exclude'] ) ) {
+ $exlinks = preg_split( '/[\s,]+/', $r['exclude'] );
+ if ( count( $exlinks ) ) {
foreach ( $exlinks as $exlink ) {
- if (empty($exclusions))
- $exclusions = ' AND ( link_id <> ' . intval($exlink) . ' ';
- else
- $exclusions .= ' AND link_id <> ' . intval($exlink) . ' ';
+ if ( empty( $exclusions ) ) {
+ $exclusions = ' AND ( link_id <> ' . intval( $exlink ) . ' ';
+ } else {
+ $exclusions .= ' AND link_id <> ' . intval( $exlink ) . ' ';
+ }
}
}
}
- if (!empty($exclusions))
+ if ( ! empty( $exclusions ) ) {
$exclusions .= ')';
+ }
- if ( ! empty($category_name) ) {
- if ( $category = get_term_by('name', $category_name, 'link_category') )
- $category = $category->term_id;
+ if ( ! empty( $r['category_name'] ) ) {
+ if ( $r['category'] = get_term_by('name', $r['category_name'], 'link_category') ) {
+ $r['category'] = $r['category']->term_id;
+ } else {
+ $cache[ $key ] = array();
+ wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
+ /** This filter is documented in wp-includes/bookmark.php */
+ return apply_filters( 'get_bookmarks', array(), $r );
+ }
}
- if ( ! empty($search) ) {
- $search = like_escape($search);
- $search = " AND ( (link_url LIKE '%$search%') OR (link_name LIKE '%$search%') OR (link_description LIKE '%$search%') ) ";
+ $search = '';
+ if ( ! empty( $r['search'] ) ) {
+ $like = '%' . $wpdb->esc_like( $r['search'] ) . '%';
+ $search = $wpdb->prepare(" AND ( (link_url LIKE %s) OR (link_name LIKE %s) OR (link_description LIKE %s) ) ", $like, $like, $like );
}
$category_query = '';
$join = '';
- if ( !empty($category) ) {
- $incategories = preg_split('/[\s,]+/',$category);
+ if ( ! empty( $r['category'] ) ) {
+ $incategories = preg_split( '/[\s,]+/', $r['category'] );
if ( count($incategories) ) {
foreach ( $incategories as $incat ) {
- if (empty($category_query))
- $category_query = ' AND ( tt.term_id = ' . intval($incat) . ' ';
- else
- $category_query .= ' OR tt.term_id = ' . intval($incat) . ' ';
+ if ( empty( $category_query ) ) {
+ $category_query = ' AND ( tt.term_id = ' . intval( $incat ) . ' ';
+ } else {
+ $category_query .= ' OR tt.term_id = ' . intval( $incat ) . ' ';
+ }
}
}
}
- if (!empty($category_query)) {
+ if ( ! empty( $category_query ) ) {
$category_query .= ") AND taxonomy = 'link_category'";
$join = " INNER JOIN $wpdb->term_relationships AS tr ON ($wpdb->links.link_id = tr.object_id) INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_taxonomy_id = tr.term_taxonomy_id";
}
- if (get_option('links_recently_updated_time')) {
- $recently_updated_test = ", IF (DATE_ADD(link_updated, INTERVAL " . get_option('links_recently_updated_time') . " MINUTE) >= NOW(), 1,0) as recently_updated ";
+ if ( $r['show_updated'] ) {
+ $recently_updated_test = ", IF (DATE_ADD(link_updated, INTERVAL 120 MINUTE) >= NOW(), 1,0) as recently_updated ";
} else {
$recently_updated_test = '';
}
- $get_updated = ( $show_updated ) ? ', UNIX_TIMESTAMP(link_updated) AS link_updated_f ' : '';
+ $get_updated = ( $r['show_updated'] ) ? ', UNIX_TIMESTAMP(link_updated) AS link_updated_f ' : '';
- $orderby = strtolower($orderby);
+ $orderby = strtolower( $r['orderby'] );
$length = '';
- switch ($orderby) {
+ switch ( $orderby ) {
case 'length':
$length = ", CHAR_LENGTH(link_name) AS length";
break;
case 'rand':
$orderby = 'rand()';
break;
+ case 'link_id':
+ $orderby = "$wpdb->links.link_id";
+ break;
default:
- $orderby = "link_" . $orderby;
+ $orderparams = array();
+ $keys = array( 'link_id', 'link_name', 'link_url', 'link_visible', 'link_rating', 'link_owner', 'link_updated', 'link_notes', 'link_description' );
+ foreach ( explode( ',', $orderby ) as $ordparam ) {
+ $ordparam = trim( $ordparam );
+
+ if ( in_array( 'link_' . $ordparam, $keys ) ) {
+ $orderparams[] = 'link_' . $ordparam;
+ } elseif ( in_array( $ordparam, $keys ) ) {
+ $orderparams[] = $ordparam;
+ }
+ }
+ $orderby = implode( ',', $orderparams );
+ }
+
+ if ( empty( $orderby ) ) {
+ $orderby = 'link_name';
}
- if ( 'link_id' == $orderby )
- $orderby = "$wpdb->links.link_id";
+ $order = strtoupper( $r['order'] );
+ if ( '' !== $order && ! in_array( $order, array( 'ASC', 'DESC' ) ) ) {
+ $order = 'ASC';
+ }
$visible = '';
- if ( $hide_invisible )
+ if ( $r['hide_invisible'] ) {
$visible = "AND link_visible = 'Y'";
+ }
$query = "SELECT * $length $recently_updated_test $get_updated FROM $wpdb->links $join WHERE 1=1 $visible $category_query";
$query .= " $exclusions $inclusions $search";
$query .= " ORDER BY $orderby $order";
- if ($limit != -1)
- $query .= " LIMIT $limit";
+ if ( $r['limit'] != -1 ) {
+ $query .= ' LIMIT ' . $r['limit'];
+ }
- $results = $wpdb->get_results($query);
+ $results = $wpdb->get_results( $query );
- $cache[ $key ] = $results;
- wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
+ if ( 'rand()' !== $orderby ) {
+ $cache[ $key ] = $results;
+ wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
+ }
- return apply_filters('get_bookmarks', $results, $r);
+ /** This filter is documented in wp-includes/bookmark.php */
+ return apply_filters( 'get_bookmarks', $results, $r );
}
/**
* Sanitizes all bookmark fields
*
- * @since 2.3
+ * @since 2.3.0
*
- * @param object|array $bookmark Bookmark row
+ * @param stdClass|array $bookmark Bookmark row
* @param string $context Optional, default is 'display'. How to filter the
* fields
- * @return object|array Same type as $bookmark but with fields sanitized.
+ * @return stdClass|array Same type as $bookmark but with fields sanitized.
*/
function sanitize_bookmark($bookmark, $context = 'display') {
$fields = array('link_id', 'link_url', 'link_name', 'link_image', 'link_target', 'link_category',
'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_updated',
'link_rel', 'link_notes', 'link_rss', );
- $do_object = false;
- if ( is_object($bookmark) )
+ if ( is_object($bookmark) ) {
$do_object = true;
+ $link_id = $bookmark->link_id;
+ } else {
+ $do_object = false;
+ $link_id = $bookmark['link_id'];
+ }
foreach ( $fields as $field ) {
- if ( $do_object )
- $bookmark->$field = sanitize_bookmark_field($field, $bookmark->$field, $bookmark->link_id, $context);
- else
- $bookmark[$field] = sanitize_bookmark_field($field, $bookmark[$field], $bookmark['link_id'], $context);
+ if ( $do_object ) {
+ if ( isset($bookmark->$field) )
+ $bookmark->$field = sanitize_bookmark_field($field, $bookmark->$field, $link_id, $context);
+ } else {
+ if ( isset($bookmark[$field]) )
+ $bookmark[$field] = sanitize_bookmark_field($field, $bookmark[$field], $link_id, $context);
+ }
}
return $bookmark;
}
/**
- * Sanitizes a bookmark field
+ * Sanitizes a bookmark field.
*
* Sanitizes the bookmark fields based on what the field name is. If the field
* has a strict value set, then it will be tested for that, else a more generic
- * filtering is applied. After the more strict filter is applied, if the
- * $context is 'raw' then the value is immediately return.
+ * filtering is applied. After the more strict filter is applied, if the `$context`
+ * is 'raw' then the value is immediately return.
+ *
+ * Hooks exist for the more generic cases. With the 'edit' context, the {@see 'edit_$field'}
+ * filter will be called and passed the `$value` and `$bookmark_id` respectively.
*
- * Hooks exist for the more generic cases. With the 'edit' context, the
- * 'edit_$field' filter will be called and passed the $value and $bookmark_id
- * respectively. With the 'db' context, the 'pre_$field' filter is called and
- * passed the value. The 'display' context is the final context and has the
- * $field has the filter name and is passed the $value, $bookmark_id, and
- * $context respectively.
+ * With the 'db' context, the {@see 'pre_$field'} filter is called and passed the value.
+ * The 'display' context is the final context and has the `$field` has the filter name
+ * and is passed the `$value`, `$bookmark_id`, and `$context`, respectively.
*
- * @since 2.3
+ * @since 2.3.0
*
- * @param string $field The bookmark field
- * @param mixed $value The bookmark field value
- * @param int $bookmark_id Bookmark ID
- * @param string $context How to filter the field value. Either 'raw', 'edit',
- * 'attribute', 'js', 'db', or 'display'
- * @return mixed The filtered value
+ * @param string $field The bookmark field.
+ * @param mixed $value The bookmark field value.
+ * @param int $bookmark_id Bookmark ID.
+ * @param string $context How to filter the field value. Accepts 'raw', 'edit', 'attribute',
+ * 'js', 'db', or 'display'
+ * @return mixed The filtered value.
*/
-function sanitize_bookmark_field($field, $value, $bookmark_id, $context) {
- $int_fields = array('link_id', 'link_rating');
- if ( in_array($field, $int_fields) )
+function sanitize_bookmark_field( $field, $value, $bookmark_id, $context ) {
+ switch ( $field ) {
+ case 'link_id' : // ints
+ case 'link_rating' :
$value = (int) $value;
+ break;
+ case 'link_category' : // array( ints )
+ $value = array_map('absint', (array) $value);
+ // We return here so that the categories aren't filtered.
+ // The 'link_category' filter is for the name of a link category, not an array of a link's link categories
+ return $value;
- $yesno = array('link_visible');
- if ( in_array($field, $yesno) )
+ case 'link_visible' : // bool stored as Y|N
$value = preg_replace('/[^YNyn]/', '', $value);
-
- if ( 'link_target' == $field ) {
+ break;
+ case 'link_target' : // "enum"
$targets = array('_top', '_blank');
if ( ! in_array($value, $targets) )
$value = '';
+ break;
}
if ( 'raw' == $context )
return $value;
if ( 'edit' == $context ) {
- $format_to_edit = array('link_notes');
- $value = apply_filters("edit_$field", $value, $bookmark_id);
+ /** This filter is documented in wp-includes/post.php */
+ $value = apply_filters( "edit_$field", $value, $bookmark_id );
- if ( in_array($field, $format_to_edit) ) {
- $value = format_to_edit($value);
+ if ( 'link_notes' == $field ) {
+ $value = esc_html( $value ); // textarea_escaped
} else {
- $value = attribute_escape($value);
+ $value = esc_attr($value);
}
- } else if ( 'db' == $context ) {
- $value = apply_filters("pre_$field", $value);
+ } elseif ( 'db' == $context ) {
+ /** This filter is documented in wp-includes/post.php */
+ $value = apply_filters( "pre_$field", $value );
} else {
- // Use display filters by default.
- $value = apply_filters($field, $value, $bookmark_id, $context);
- }
+ /** This filter is documented in wp-includes/post.php */
+ $value = apply_filters( $field, $value, $bookmark_id, $context );
- if ( 'attribute' == $context )
- $value = attribute_escape($value);
- else if ( 'js' == $context )
- $value = js_escape($value);
+ if ( 'attribute' == $context ) {
+ $value = esc_attr( $value );
+ } elseif ( 'js' == $context ) {
+ $value = esc_js( $value );
+ }
+ }
return $value;
}
/**
- * Deletes entire bookmark cache
+ * Deletes the bookmark cache.
*
- * @since 2.1
- * @uses wp_cache_delete() Deletes the contents of 'get_bookmarks'
+ * @since 2.7.0
+ *
+ * @param int $bookmark_id Bookmark ID.
*/
-function delete_get_bookmark_cache() {
+function clean_bookmark_cache( $bookmark_id ) {
+ wp_cache_delete( $bookmark_id, 'bookmark' );
wp_cache_delete( 'get_bookmarks', 'bookmark' );
+ clean_object_term_cache( $bookmark_id, 'link');
}
-add_action( 'add_link', 'delete_get_bookmark_cache' );
-add_action( 'edit_link', 'delete_get_bookmark_cache' );
-add_action( 'delete_link', 'delete_get_bookmark_cache' );
-
-?>