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In `get_adjacent_post()`, make `$excluded_terms` work as expected. 

Adds unit tests.
Props jessepollak, kovshenin.
Fixes #22112.

Built from https://develop.svn.wordpress.org/trunk@29248


git-svn-id: http://core.svn.wordpress.org/trunk@29032 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Scott Taylor 2014-07-19 22:27:14 +00:00
parent 9175194785
commit 1cfbe0a8ce
1 changed files with 24 additions and 24 deletions
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48
wp-includes/link-template.php
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@ -1477,41 +1477,41 @@ function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previo
$current_post_date = $post->post_date;
$join = '';
$posts_in_ex_terms_sql = '';
$where = '';
if ( $in_same_term || ! empty( $excluded_terms ) ) {
$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";
$where = $wpdb->prepare( "AND tt.taxonomy = %s", $taxonomy );
if ( ! empty( $excluded_terms ) && ! is_array( $excluded_terms ) ) {
// back-compat, $excluded_terms used to be $excluded_terms with IDs separated by " and "
if ( false !== strpos( $excluded_terms, ' and ' ) ) {
_deprecated_argument( __FUNCTION__, '3.3', sprintf( __( 'Use commas instead of %s to separate excluded terms.' ), "'and'" ) );
$excluded_terms = explode( ' and ', $excluded_terms );
} else {
$excluded_terms = explode( ',', $excluded_terms );
}
$excluded_terms = array_map( 'intval', $excluded_terms );
}
if ( $in_same_term ) {
if ( ! is_object_in_taxonomy( $post->post_type, $taxonomy ) )
return '';
$term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) );
// Remove any exclusions from the term array to include.
$term_array = array_diff( $term_array, (array) $excluded_terms );
$term_array = array_map( 'intval', $term_array );
if ( ! $term_array || is_wp_error( $term_array ) )
return '';
$join .= $wpdb->prepare( " AND tt.taxonomy = %s AND tt.term_id IN (" . implode( ',', array_map( 'intval', $term_array ) ) . ")", $taxonomy );
$where .= " AND tt.term_id IN (" . implode( ',', $term_array ) . ")";
}
$posts_in_ex_terms_sql = $wpdb->prepare( "AND tt.taxonomy = %s", $taxonomy );
if ( ! empty( $excluded_terms ) ) {
if ( ! is_array( $excluded_terms ) ) {
// back-compat, $excluded_terms used to be $excluded_terms with IDs separated by " and "
if ( false !== strpos( $excluded_terms, ' and ' ) ) {
_deprecated_argument( __FUNCTION__, '3.3', sprintf( __( 'Use commas instead of %s to separate excluded terms.' ), "'and'" ) );
$excluded_terms = explode( ' and ', $excluded_terms );
} else {
$excluded_terms = explode( ',', $excluded_terms );
}
}
$excluded_terms = array_map( 'intval', $excluded_terms );
if ( ! empty( $term_array ) ) {
$excluded_terms = array_diff( $excluded_terms, $term_array );
$posts_in_ex_terms_sql = '';
}
if ( ! empty( $excluded_terms ) ) {
$posts_in_ex_terms_sql = $wpdb->prepare( " AND tt.taxonomy = %s AND tt.term_id NOT IN (" . implode( $excluded_terms, ',' ) . ')', $taxonomy );
}
$where .= " AND p.ID NOT IN ( SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id IN (" . implode( $excluded_terms, ',' ) . ') )';
}
}
@ -1545,7 +1545,7 @@ function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previo
* @param bool $in_same_term Whether post should be in a same taxonomy term.
* @param array $excluded_terms Array of excluded term IDs.
*/
$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $posts_in_ex_terms_sql", $current_post_date, $post->post_type), $in_same_term, $excluded_terms );
$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare( "WHERE p.post_date $op %s AND p.post_type = %s AND p.post_status = 'publish' $where", $current_post_date, $post->post_type ), $in_same_term, $excluded_terms );
/**
* Filter the ORDER BY clause in the SQL for an adjacent post query.