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Add posts_clauses_request filter too. Props hakre. See #14997

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git-svn-id: http://svn.automattic.com/wordpress/trunk@15794 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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scribu 2010-10-13 15:49:26 +00:00
parent 810b3a215f
commit a9e671a75c
1 changed files with 53 additions and 26 deletions
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79
wp-includes/query.php
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@ -2186,25 +2186,18 @@ class WP_Query extends WP_Object_Query {
// Apply post-paging filters on where and join. Only plugins that
// manipulate paging queries should use these hooks.
if ( !$q['suppress_filters'] ) {
$where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
$groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
$join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
$orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
$distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
$limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
$fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
// Also apply a filter on all clauses at once, for convenience
$clauses = array();
foreach ( array('distinct', 'fields', 'where', 'join', 'groupby', 'orderby', 'limits') as $var ) {
$clauses[ $var ] = $$var;
unset( $$var ); // so we can use EXTR_SKIP below
}
$clauses = apply_filters_ref_array( 'wp_query_clauses', array( $clauses, &$this ) );
extract( $clauses, EXTR_SKIP );
unset( $clauses );
$var_config = array(
'where' => 'posts_where_paged',
'groupby' => 'posts_groupby',
'join' => 'posts_join_paged',
'orderby' => 'posts_orderby',
'distinct' => 'posts_distinct',
'limits' => 'post_limits',
'fields' => 'posts_fields',
);
$var_values = compact( array_keys( $var_config ) );
$result = $this->_filter_clause_variables( $var_config, $var_values, 'posts_clauses' );
extract( $result );
}
// Announce current selection parameters. For use by caching plugins.
@ -2212,13 +2205,18 @@ class WP_Query extends WP_Object_Query {
// Filter again for the benefit of caching plugins. Regular plugins should use the hooks above.
if ( !$q['suppress_filters'] ) {
$where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
$groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
$join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
$orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
$distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
$fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
$limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
$var_config = array(
'where' => 'posts_where_request',
'groupby' => 'posts_groupby_request',
'join' => 'posts_join_request',
'orderby' => 'posts_orderby_request',
'distinct' => 'posts_distinct_request',
'fields' => 'posts_fields_request',
'limits' => 'post_limits_request',
);
$var_values = compact( array_keys( $var_config ) );
$result = $this->_filter_clause_variables( $var_config, $var_values, 'posts_clauses_request' );
extract( $result );
}
if ( ! empty($groupby) )
@ -2360,6 +2358,35 @@ class WP_Query extends WP_Object_Query {
return $this->posts;
}
/**
* Filter clause variables based on configuration. Once per clause and
* then all clauses at once.
*
* @access private
* @param array $config filternames keyed with their variable names
* @param array $values values keyed with their variable names
* @param string $all_filter_name for the "single filter"
* @return array filtered values keyed with their names
*/
function _filter_clause_variables( $config, $values, $all_filter_name ) {
$clauses = array();
foreach ( $config as $variable_name => $filter ) {
$clauses[$variable_name] = apply_filters_ref_array( $filter, array( $values[$variable_name], &$this ) );
}
// run filter for all clauses at once
$clauses = apply_filters_ref_array( $all_filter_name, array( $clauses, &$this ) );
$is_array = is_array( $clauses );
$filtered = array();
foreach ( $config as $variable_name => $filter ) {
if ( $is_array && isset( $clauses[$variable_name] ) ) {
$filtered[$variable_name] = $clauses[$variable_name];
} else {
$filtered[$variable_name] = '';
}
}
return $filtered;
}
/**
* Set up the next post and iterate current post index.
*