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Add posts_clauses_request filter too. Props hakre. See #14997
git-svn-id: http://svn.automattic.com/wordpress/trunk@15794 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -2186,25 +2186,18 @@ class WP_Query extends WP_Object_Query {
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// Apply post-paging filters on where and join. Only plugins that
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// manipulate paging queries should use these hooks.
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if ( !$q['suppress_filters'] ) {
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$where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
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$groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
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$join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
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$orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
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$distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
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$limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
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$fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
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// Also apply a filter on all clauses at once, for convenience
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$clauses = array();
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foreach ( array('distinct', 'fields', 'where', 'join', 'groupby', 'orderby', 'limits') as $var ) {
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$clauses[ $var ] = $$var;
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unset( $$var ); // so we can use EXTR_SKIP below
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}
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$clauses = apply_filters_ref_array( 'wp_query_clauses', array( $clauses, &$this ) );
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extract( $clauses, EXTR_SKIP );
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unset( $clauses );
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$var_config = array(
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'where' => 'posts_where_paged',
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'groupby' => 'posts_groupby',
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'join' => 'posts_join_paged',
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'orderby' => 'posts_orderby',
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'distinct' => 'posts_distinct',
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'limits' => 'post_limits',
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'fields' => 'posts_fields',
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);
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$var_values = compact( array_keys( $var_config ) );
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$result = $this->_filter_clause_variables( $var_config, $var_values, 'posts_clauses' );
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extract( $result );
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}
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// Announce current selection parameters. For use by caching plugins.
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@ -2212,13 +2205,18 @@ class WP_Query extends WP_Object_Query {
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// Filter again for the benefit of caching plugins. Regular plugins should use the hooks above.
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if ( !$q['suppress_filters'] ) {
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$where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
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$groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
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$join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
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$orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
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$distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
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$fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
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$limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
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$var_config = array(
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'where' => 'posts_where_request',
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'groupby' => 'posts_groupby_request',
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'join' => 'posts_join_request',
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'orderby' => 'posts_orderby_request',
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'distinct' => 'posts_distinct_request',
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'fields' => 'posts_fields_request',
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'limits' => 'post_limits_request',
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);
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$var_values = compact( array_keys( $var_config ) );
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$result = $this->_filter_clause_variables( $var_config, $var_values, 'posts_clauses_request' );
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extract( $result );
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}
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if ( ! empty($groupby) )
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@ -2359,6 +2357,35 @@ class WP_Query extends WP_Object_Query {
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return $this->posts;
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}
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/**
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* Filter clause variables based on configuration. Once per clause and
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* then all clauses at once.
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*
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* @access private
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* @param array $config filternames keyed with their variable names
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* @param array $values values keyed with their variable names
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* @param string $all_filter_name for the "single filter"
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* @return array filtered values keyed with their names
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*/
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function _filter_clause_variables( $config, $values, $all_filter_name ) {
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$clauses = array();
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foreach ( $config as $variable_name => $filter ) {
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$clauses[$variable_name] = apply_filters_ref_array( $filter, array( $values[$variable_name], &$this ) );
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}
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// run filter for all clauses at once
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$clauses = apply_filters_ref_array( $all_filter_name, array( $clauses, &$this ) );
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$is_array = is_array( $clauses );
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$filtered = array();
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foreach ( $config as $variable_name => $filter ) {
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if ( $is_array && isset( $clauses[$variable_name] ) ) {
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$filtered[$variable_name] = $clauses[$variable_name];
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} else {
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$filtered[$variable_name] = '';
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}
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}
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return $filtered;
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}
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/**
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* Set up the next post and iterate current post index.
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