- foreach ( $queries as $k => $q ) {
- $meta_key = isset( $q['key'] ) ? trim( $q['key'] ) : '';
- $meta_type = isset( $q['type'] ) ? strtoupper( $q['type'] ) : 'CHAR';
-
- if ( 'NUMERIC' == $meta_type )
- $meta_type = 'SIGNED';
- elseif ( ! in_array( $meta_type, array( 'BINARY', 'CHAR', 'DATE', 'DATETIME', 'DECIMAL', 'SIGNED', 'TIME', 'UNSIGNED' ) ) )
- $meta_type = 'CHAR';
-
- $meta_value = isset( $q['value'] ) ? $q['value'] : null;
-
- if ( isset( $q['compare'] ) )
- $meta_compare = strtoupper( $q['compare'] );
- else
- $meta_compare = is_array( $meta_value ) ? 'IN' : '=';
-
- if ( ! in_array( $meta_compare, array(
- '=', '!=', '>', '>=', '<', '<=',
- 'LIKE', 'NOT LIKE',
- 'IN', 'NOT IN',
- 'BETWEEN', 'NOT BETWEEN',
- 'NOT EXISTS'
- ) ) )
- $meta_compare = '=';
-
- $i = count( $join );
- $alias = $i ? 'mt' . $i : $meta_table;
-
- if ( 'NOT EXISTS' == $meta_compare ) {
- $join[$i] = "LEFT JOIN $meta_table";
- $join[$i] .= $i ? " AS $alias" : '';
- $join[$i] .= " ON ($primary_table.$primary_id_column = $alias.$meta_id_column AND $alias.meta_key = '$meta_key')";
-
- $where[$k] = ' ' . $alias . '.' . $meta_id_column . ' IS NULL';
-
- continue;
- }
-
- $join[$i] = "INNER JOIN $meta_table";
- $join[$i] .= $i ? " AS $alias" : '';
- $join[$i] .= " ON ($primary_table.$primary_id_column = $alias.$meta_id_column)";
-
- $where[$k] = '';
- if ( !empty( $meta_key ) )
- $where[$k] = $wpdb->prepare( "$alias.meta_key = %s", $meta_key );
-
- if ( is_null( $meta_value ) ) {
- if ( empty( $where[$k] ) )
- unset( $join[$i] );
- continue;
- }
-
- if ( in_array( $meta_compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) ) {
- if ( ! is_array( $meta_value ) )
- $meta_value = preg_split( '/[,\s]+/', $meta_value );
-
- if ( empty( $meta_value ) ) {
- unset( $join[$i] );
- continue;
- }
- } else {
- $meta_value = trim( $meta_value );
- }
-
- if ( 'IN' == substr( $meta_compare, -2) ) {
- $meta_compare_string = '(' . substr( str_repeat( ',%s', count( $meta_value ) ), 1 ) . ')';
- } elseif ( 'BETWEEN' == substr( $meta_compare, -7) ) {
- $meta_value = array_slice( $meta_value, 0, 2 );
- $meta_compare_string = '%s AND %s';
- } elseif ( 'LIKE' == substr( $meta_compare, -4 ) ) {
- $meta_value = '%' . like_escape( $meta_value ) . '%';
- $meta_compare_string = '%s';
- } else {
- $meta_compare_string = '%s';
- }
-
- if ( ! empty( $where[$k] ) )
- $where[$k] .= ' AND ';
-
- $where[$k] = ' (' . $where[$k] . $wpdb->prepare( "CAST($alias.meta_value AS {$meta_type}) {$meta_compare} {$meta_compare_string})", $meta_value );
- }