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Support an array or comma-seperated list of excluded category IDs in get_adjacent_post(). Props solarissmoke. fixes #17673 

git-svn-id: http://svn.automattic.com/wordpress/trunk@18477 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2011-07-28 17:19:51 +00:00
parent 1bea107db4
commit 3209c103dc
1 changed files with 40 additions and 32 deletions
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72
wp-includes/link-template.php
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@ -1065,7 +1065,7 @@ function edit_bookmark_link( $link = '', $before = '', $after = '', $bookmark =
* @since 1.5.0
*
* @param bool $in_same_cat Optional. Whether post should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
* @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists.
*/
function get_previous_post($in_same_cat = false, $excluded_categories = '') {
@ -1078,7 +1078,7 @@ function get_previous_post($in_same_cat = false, $excluded_categories = '') {
* @since 1.5.0
*
* @param bool $in_same_cat Optional. Whether post should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
* @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists.
*/
function get_next_post($in_same_cat = false, $excluded_categories = '') {
@ -1093,11 +1093,11 @@ function get_next_post($in_same_cat = false, $excluded_categories = '') {
* @since 2.5.0
*
* @param bool $in_same_cat Optional. Whether post should be in same category.
* @param string $excluded_categories Optional. Excluded categories IDs.
* @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
* @param bool $previous Optional. Whether to retrieve previous post.
* @return mixed Post object if successful. Null if global $post is not set. Empty string if no corresponding post exists.
*/
function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $previous = true) {
function get_adjacent_post( $in_same_cat = false, $excluded_categories = '', $previous = true ) {
global $post, $wpdb;
if ( empty( $post ) )
@ -1107,7 +1107,7 @@ function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $pre
$join = '';
$posts_in_ex_cats_sql = '';
if ( $in_same_cat || !empty($excluded_categories) ) {
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 ( $in_same_cat ) {
@ -1116,9 +1116,18 @@ function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $pre
}
$posts_in_ex_cats_sql = "AND tt.taxonomy = 'category'";
if ( !empty($excluded_categories) ) {
$excluded_categories = array_map('intval', explode(' and ', $excluded_categories));
if ( !empty($cat_array) ) {
if ( ! empty( $excluded_categories ) ) {
if ( ! is_array( $excluded_categories ) ) {
// back-compat, $excluded_categories used to be IDs separated by " and "
if ( strpos( $excluded_categories, ' and ' ) !== false )
$excluded_categories = explode( ' and ', $excluded_categories );
else
$excluded_categories = explode( ',', $excluded_categories );
}
$excluded_categories = array_map( 'intval', $excluded_categories );
if ( ! empty( $cat_array ) ) {
$excluded_categories = array_diff($excluded_categories, $cat_array);
$posts_in_ex_cats_sql = '';
}
@ -1160,7 +1169,7 @@ function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $pre
*
* @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 array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
* @param bool $previous Optional, default is true. Whether display link to previous post.
* @return string
*/
@ -1197,7 +1206,7 @@ function get_adjacent_post_rel_link($title = '%title', $in_same_cat = false, $ex
*
* @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 array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
*/
function adjacent_posts_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true);
@ -1224,7 +1233,7 @@ function adjacent_posts_rel_link_wp_head() {
*
* @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 array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
*/
function next_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', false);
@ -1237,7 +1246,7 @@ function next_post_rel_link($title = '%title', $in_same_cat = false, $excluded_c
*
* @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 array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
*/
function prev_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
echo get_adjacent_post_rel_link($title, $in_same_cat, $excluded_categories = '', true);
@ -1252,37 +1261,36 @@ function prev_post_rel_link($title = '%title', $in_same_cat = false, $excluded_c
* @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 array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
* @param bool $start Optional. Whether to retrieve first or last post.
* @return object
*/
function get_boundary_post($in_same_cat = false, $excluded_categories = '', $start = true) {
function get_boundary_post( $in_same_cat = false, $excluded_categories = '', $start = true ) {
global $post;
if ( empty($post) || !is_single() || is_attachment() )
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', array('fields' => 'ids'));
}
if( ! is_array( $excluded_categories ) )
$excluded_categories = explode( ',', $excluded_categories );
if ( $in_same_cat || ! empty( $excluded_categories ) ) {
if ( $in_same_cat )
$cat_array = wp_get_object_terms( $post->ID, 'category', array( 'fields' => 'ids' ) );
if ( !empty($excluded_categories) ) {
$excluded_categories = array_map('intval', explode(',', $excluded_categories));
if ( !empty($cat_array) )
$excluded_categories = array_diff($excluded_categories, $cat_array);
if ( ! empty( $excluded_categories ) ) {
$excluded_categories = array_map( 'intval', $excluded_categories );
$excluded_categories = array_diff( $excluded_categories, $cat_array );
$inverse_cats = array();
foreach ( $excluded_categories as $excluded_category)
foreach ( $excluded_categories as $excluded_category )
$inverse_cats[] = $excluded_category * -1;
$excluded_categories = $inverse_cats;
}
}
$categories = implode(',', array_merge($cat_array, $excluded_categories) );
$categories = implode( ',', array_merge( $cat_array, $excluded_categories ) );
$order = $start ? 'ASC' : 'DESC';
@ -1298,7 +1306,7 @@ function get_boundary_post($in_same_cat = false, $excluded_categories = '', $sta
*
* @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 array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
* @param bool $start Optional, default is true. Whether display link to first or last post.
* @return string
*/
@ -1335,7 +1343,7 @@ function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $ex
*
* @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 array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
*/
function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
@ -1407,7 +1415,7 @@ function parent_post_rel_link($title = '%title') {
* @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.
* @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
*/
function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, true);
@ -1421,7 +1429,7 @@ function previous_post_link($format='« %link', $link='%title', $in_same_ca
* @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.
* @param array|string $excluded_categories Optional. Array or comma-separated list of excluded category IDs.
*/
function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') {
adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, false);
@ -1437,7 +1445,7 @@ function next_post_link($format='%link »', $link='%title', $in_same_cat =
* @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 array|string $excluded_categories Optional. Array or comma-separated list of excluded category 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) {