“You’ve found a home plan that is close to what you’re looking for; then call us so we can tailor the plan to make it perfect for you. A true custom home plan at a fraction of the time and cost.”

Director of Drafting and Design , Carl Cuozzo

Why Use Design Basics for Your Plan Modifications?

You will work with skilled designers who understands important structural issues.

Our Modified Home Plans are drafted to the same high standards and go through the same stringent review process to ensure accuracy.

Your desired changes will blend naturally with the original design.

You will receive no-cost technical support throughout the construction.

We Offer Creative Design Solutions

Thoughtful design today translates to higher resale tomorrow.

Gourmet Kitchens

Kitchens are the hang out when entertaining. Breakfast bars, double wall ovens, warming drawers, Island counters with vegetable sinks, and food prep areas. Smart storage solutions for your small appliances, walk-in or ‘work-in’ pantries. We can help integrate these ideas and others into what you need in your kitchen.

Bedroom Suite Luxury

Consider large walk-in closets, coffee bar, cozy sitting area, fireplace, larger walk-in shower, secondary laundry facilities, twin, dual-height vanities, and jet or bubble tub!

On the go, in and out?

You need a Rear Foyer and Drop Zone with coat closet, lockers, bench seat, charging, drop off for keys, umbrellas, and mail.

Enjoy the fresh air?

Include a Rear Deck with Outdoor Kitchen and Fireplace!

Need Extra Living Space?

Using or expanding space over the garage is an easy way to gain cost-effective living spaces. Where you can build on a basement, we can help with your space planning needs.

Front Elevation Curb Appeal

Use exterior brick or stone, architectural trim, roof tile, designer entry door with glass sidelites and transom!

Before and After

Here is an example of our modified house plan:

Before

Plan 29052 as originally designed:

  • 3-car garage
  • Basement foundation (add stairs)
  • More storage in kitchen
  • More windows
  • Unified laundry/walk-in closet
After

Modified Plan 29052:

  • Larger entry coat closet
  • Added bench in front entry
  • Doorless shower in owner’s suite
  • Streamlined flat ceilings
  • Pocket doors to smooth flow

Search for a House Plan?

Ready to find a the perfect house plan for you? Don’t wait!

Click To Find House Plan

Need a Complete Custom Solution?

When changes to a ‘stock’ plan just won’t work and you want a truly unique, custom home, look to Design Basics as your design partner.

Custom Solution
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Viewing: /var/www/designbasics/wp-includes/class-wp-tax-query.php

<?php
/**
 * Taxonomy API: WP_Tax_Query class
 *
 * @package WordPress
 * @subpackage Taxonomy
 * @since 4.4.0
 */

/**
 * Core class used to implement taxonomy queries for the Taxonomy API.
 *
 * Used for generating SQL clauses that filter a primary query according to object
 * taxonomy terms.
 *
 * WP_Tax_Query is a helper that allows primary query classes, such as WP_Query, to filter
 * their results by object metadata, by generating `JOIN` and `WHERE` subclauses to be
 * attached to the primary SQL query string.
 *
 * @since 3.1.0
 */
#[AllowDynamicProperties]
class WP_Tax_Query {

	/**
	 * Array of taxonomy queries.
	 *
	 * See WP_Tax_Query::__construct() for information on tax query arguments.
	 *
	 * @since 3.1.0
	 * @var array
	 */
	public $queries = array();

	/**
	 * The relation between the queries. Can be one of 'AND' or 'OR'.
	 *
	 * @since 3.1.0
	 * @var string
	 */
	public $relation;

	/**
	 * Standard response when the query should not return any rows.
	 *
	 * @since 3.2.0
	 * @var string
	 */
	private static $no_results = array(
		'join'  => array( '' ),
		'where' => array( '0 = 1' ),
	);

	/**
	 * A flat list of table aliases used in the JOIN clauses.
	 *
	 * @since 4.1.0
	 * @var array
	 */
	protected $table_aliases = array();

	/**
	 * Terms and taxonomies fetched by this query.
	 *
	 * We store this data in a flat array because they are referenced in a
	 * number of places by WP_Query.
	 *
	 * @since 4.1.0
	 * @var array
	 */
	public $queried_terms = array();

	/**
	 * Database table that where the metadata's objects are stored (eg $wpdb->users).
	 *
	 * @since 4.1.0
	 * @var string
	 */
	public $primary_table;

	/**
	 * Column in 'primary_table' that represents the ID of the object.
	 *
	 * @since 4.1.0
	 * @var string
	 */
	public $primary_id_column;

	/**
	 * Constructor.
	 *
	 * @since 3.1.0
	 * @since 4.1.0 Added support for `$operator` 'NOT EXISTS' and 'EXISTS' values.
	 *
	 * @param array $tax_query {
	 *     Array of taxonomy query clauses.
	 *
	 *     @type string $relation Optional. The MySQL keyword used to join
	 *                            the clauses of the query. Accepts 'AND', or 'OR'. Default 'AND'.
	 *     @type array  ...$0 {
	 *         An array of first-order clause parameters, or another fully-formed tax query.
	 *
	 *         @type string           $taxonomy         Taxonomy being queried. Optional when field=term_taxonomy_id.
	 *         @type string|int|array $terms            Term or terms to filter by.
	 *         @type string           $field            Field to match $terms against. Accepts 'term_id', 'slug',
	 *                                                 'name', or 'term_taxonomy_id'. Default: 'term_id'.
	 *         @type string           $operator         MySQL operator to be used with $terms in the WHERE clause.
	 *                                                  Accepts 'AND', 'IN', 'NOT IN', 'EXISTS', 'NOT EXISTS'.
	 *                                                  Default: 'IN'.
	 *         @type bool             $include_children Optional. Whether to include child terms.
	 *                                                  Requires a $taxonomy. Default: true.
	 *     }
	 * }
	 */
	public function __construct( $tax_query ) {
		if ( isset( $tax_query['relation'] ) ) {
			$this->relation = $this->sanitize_relation( $tax_query['relation'] );
		} else {
			$this->relation = 'AND';
		}

		$this->queries = $this->sanitize_query( $tax_query );
	}

	/**
	 * Ensures the 'tax_query' argument passed to the class constructor is well-formed.
	 *
	 * Ensures that each query-level clause has a 'relation' key, and that
	 * each first-order clause contains all the necessary keys from `$defaults`.
	 *
	 * @since 4.1.0
	 *
	 * @param array $queries Array of queries clauses.
	 * @return array Sanitized array of query clauses.
	 */
	public function sanitize_query( $queries ) {
		$cleaned_query = array();

		$defaults = array(
			'taxonomy'         => '',
			'terms'            => array(),
			'field'            => 'term_id',
			'operator'         => 'IN',
			'include_children' => true,
		);

		foreach ( $queries as $key => $query ) {
			if ( 'relation' === $key ) {
				$cleaned_query['relation'] = $this->sanitize_relation( $query );

				// First-order clause.
			} elseif ( self::is_first_order_clause( $query ) ) {

				$cleaned_clause          = array_merge( $defaults, $query );
				$cleaned_clause['terms'] = (array) $cleaned_clause['terms'];
				$cleaned_query[]         = $cleaned_clause;

				/*
				 * Keep a copy of the clause in the flate
				 * $queried_terms array, for use in WP_Query.
				 */
				if ( ! empty( $cleaned_clause['taxonomy'] ) && 'NOT IN' !== $cleaned_clause['operator'] ) {
					$taxonomy = $cleaned_clause['taxonomy'];
					if ( ! isset( $this->queried_terms[ $taxonomy ] ) ) {
						$this->queried_terms[ $taxonomy ] = array();
					}

					/*
					 * Backward compatibility: Only store the first
					 * 'terms' and 'field' found for a given taxonomy.
					 */
					if ( ! empty( $cleaned_clause['terms'] ) && ! isset( $this->queried_terms[ $taxonomy ]['terms'] ) ) {
						$this->queried_terms[ $taxonomy ]['terms'] = $cleaned_clause['terms'];
					}

					if ( ! empty( $cleaned_clause['field'] ) && ! isset( $this->queried_terms[ $taxonomy ]['field'] ) ) {
						$this->queried_terms[ $taxonomy ]['field'] = $cleaned_clause['field'];
					}
				}

				// Otherwise, it's a nested query, so we recurse.
			} elseif ( is_array( $query ) ) {
				$cleaned_subquery = $this->sanitize_query( $query );

				if ( ! empty( $cleaned_subquery ) ) {
					// All queries with children must have a relation.
					if ( ! isset( $cleaned_subquery['relation'] ) ) {
						$cleaned_subquery['relation'] = 'AND';
					}

					$cleaned_query[] = $cleaned_subquery;
				}
			}
		}

		return $cleaned_query;
	}

	/**
	 * Sanitizes a 'relation' operator.
	 *
	 * @since 4.1.0
	 *
	 * @param string $relation Raw relation key from the query argument.
	 * @return string Sanitized relation. Either 'AND' or 'OR'.
	 */
	public function sanitize_relation( $relation ) {
		if ( 'OR' === strtoupper( $relation ) ) {
			return 'OR';
		} else {
			return 'AND';
		}
	}

	/**
	 * Determines whether a clause is first-order.
	 *
	 * A "first-order" clause is one that contains any of the first-order
	 * clause keys ('terms', 'taxonomy', 'include_children', 'field',
	 * 'operator'). An empty clause also counts as a first-order clause,
	 * for backward compatibility. Any clause that doesn't meet this is
	 * determined, by process of elimination, to be a higher-order query.
	 *
	 * @since 4.1.0
	 *
	 * @param array $query Tax query arguments.
	 * @return bool Whether the query clause is a first-order clause.
	 */
	protected static function is_first_order_clause( $query ) {
		return is_array( $query ) && ( empty( $query ) || array_key_exists( 'terms', $query ) || array_key_exists( 'taxonomy', $query ) || array_key_exists( 'include_children', $query ) || array_key_exists( 'field', $query ) || array_key_exists( 'operator', $query ) );
	}

	/**
	 * Generates SQL clauses to be appended to a main query.
	 *
	 * @since 3.1.0
	 *
	 * @param string $primary_table     Database table where the object being filtered is stored (eg wp_users).
	 * @param string $primary_id_column ID column for the filtered object in $primary_table.
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	public function get_sql( $primary_table, $primary_id_column ) {
		$this->primary_table     = $primary_table;
		$this->primary_id_column = $primary_id_column;

		return $this->get_sql_clauses();
	}

	/**
	 * Generates SQL clauses to be appended to a main query.
	 *
	 * Called by the public WP_Tax_Query::get_sql(), this method
	 * is abstracted out to maintain parity with the other Query classes.
	 *
	 * @since 4.1.0
	 *
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	protected function get_sql_clauses() {
		/*
		 * $queries are passed by reference to get_sql_for_query() for recursion.
		 * To keep $this->queries unaltered, pass a copy.
		 */
		$queries = $this->queries;
		$sql     = $this->get_sql_for_query( $queries );

		if ( ! empty( $sql['where'] ) ) {
			$sql['where'] = ' AND ' . $sql['where'];
		}

		return $sql;
	}

	/**
	 * Generates SQL clauses for a single query array.
	 *
	 * If nested subqueries are found, this method recurses the tree to
	 * produce the properly nested SQL.
	 *
	 * @since 4.1.0
	 *
	 * @param array $query Query to parse (passed by reference).
	 * @param int   $depth Optional. Number of tree levels deep we currently are.
	 *                     Used to calculate indentation. Default 0.
	 * @return string[] {
	 *     Array containing JOIN and WHERE SQL clauses to append to a single query array.
	 *
	 *     @type string $join  SQL fragment to append to the main JOIN clause.
	 *     @type string $where SQL fragment to append to the main WHERE clause.
	 * }
	 */
	protected function get_sql_for_query( &$query, $depth = 0 ) {
		$sql_chunks = array(
			'join'  => array(),
			'where' => array(),
		);

		$sql = array(
			'join'  => '',
			'where' => '',
		);

		$indent = '';
		for ( $i = 0; $i < $depth; $i++ ) {
			$indent .= '  ';
		}

		foreach ( $query as $key => &$clause ) {
			if ( 'relation' === $key ) {
				$relation = $query['relation'];
			} elseif ( is_array( $clause ) ) {

				// This is a first-order clause.
				if ( $this->is_first_order_clause( $clause ) ) {
					$clause_sql = $this->get_sql_for_clause( $clause, $query );

					$where_count = count( $clause_sql['where'] );
					if ( ! $where_count ) {
						$sql_chunks['where'][] = '';
					} elseif ( 1 === $where_count ) {
						$sql_chunks['where'][] = $clause_sql['where'][0];
					} else {
						$sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )';
					}

					$sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] );
					// This is a subquery, so we recurse.
				} else {
					$clause_sql = $this->get_sql_for_query( $clause, $depth + 1 );

					$sql_chunks['where'][] = $clause_sql['where'];
					$sql_chunks['join'][]  = $clause_sql['join'];
				}
			}
		}

		// Filter to remove empties.
		$sql_chunks['join']  = array_filter( $sql_chunks['join'] );
		$sql_chunks['where'] = array_filter( $sql_chunks['where'] );

		if ( empty( $relation ) ) {
			$relation = 'AND';
		}

		// Filter duplicate JOIN clauses and combine into a single string.
		if ( ! empty( $sql_chunks['join'] ) ) {
			$sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) );
		}

		// Generate a single WHERE clause with proper brackets and indentation.
		if ( ! empty( $sql_chunks['where'] ) ) {
			$sql['where'] = '( ' . "\n  " . $indent . implode( ' ' . "\n  " . $indent . $relation . ' ' . "\n  " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')';
		}

		return $sql;
	}

	/**
	 * Generates SQL JOIN and WHERE clauses for a "first-order" query clause.
	 *
	 * @since 4.1.0
	 *
	 * @global wpdb $wpdb The WordPress database abstraction object.
	 *
	 * @param array $clause       Query clause (passed by reference).
	 * @param array $parent_query Parent query array.
	 * @return array {
	 *     Array containing JOIN and WHERE SQL clauses to append to a first-order query.
	 *
	 *     @type string[] $join  Array of SQL fragments to append to the main JOIN clause.
	 *     @type string[] $where Array of SQL fragments to append to the main WHERE clause.
	 * }
	 */
	public function get_sql_for_clause( &$clause, $parent_query ) {
		global $wpdb;

		$sql = array(
			'where' => array(),
			'join'  => array(),
		);

		$join  = '';
		$where = '';

		$this->clean_query( $clause );

		if ( is_wp_error( $clause ) ) {
			return self::$no_results;
		}

		$terms    = $clause['terms'];
		$operator = strtoupper( $clause['operator'] );

		if ( 'IN' === $operator ) {

			if ( empty( $terms ) ) {
				return self::$no_results;
			}

			$terms = implode( ',', $terms );

			/*
			 * Before creating another table join, see if this clause has a
			 * sibling with an existing join that can be shared.
			 */
			$alias = $this->find_compatible_table_alias( $clause, $parent_query );
			if ( false === $alias ) {
				$i     = count( $this->table_aliases );
				$alias = $i ? 'tt' . $i : $wpdb->term_relationships;

				// Store the alias as part of a flat array to build future iterators.
				$this->table_aliases[] = $alias;

				// Store the alias with this clause, so later siblings can use it.
				$clause['alias'] = $alias;

				$join .= " LEFT JOIN $wpdb->term_relationships";
				$join .= $i ? " AS $alias" : '';
				$join .= " ON ($this->primary_table.$this->primary_id_column = $alias.object_id)";
			}

			$where = "$alias.term_taxonomy_id $operator ($terms)";

		} elseif ( 'NOT IN' === $operator ) {

			if ( empty( $terms ) ) {
				return $sql;
			}

			$terms = implode( ',', $terms );

			$where = "$this->primary_table.$this->primary_id_column NOT IN (
				SELECT object_id
				FROM $wpdb->term_relationships
				WHERE term_taxonomy_id IN ($terms)
			)";

		} elseif ( 'AND' === $operator ) {

			if ( empty( $terms ) ) {
				return $sql;
			}

			$num_terms = count( $terms );

			$terms = implode( ',', $terms );

			$where = "(
				SELECT COUNT(1)
				FROM $wpdb->term_relationships
				WHERE term_taxonomy_id IN ($terms)
				AND object_id = $this->primary_table.$this->primary_id_column
			) = $num_terms";

		} elseif ( 'NOT EXISTS' === $operator || 'EXISTS' === $operator ) {

			$where = $wpdb->prepare(
				"$operator (
					SELECT 1
					FROM $wpdb->term_relationships
					INNER JOIN $wpdb->term_taxonomy
					ON $wpdb->term_taxonomy.term_taxonomy_id = $wpdb->term_relationships.term_taxonomy_id
					WHERE $wpdb->term_taxonomy.taxonomy = %s
					AND $wpdb->term_relationships.object_id = $this->primary_table.$this->primary_id_column
				)",
				$clause['taxonomy']
			);

		}

		$sql['join'][]  = $join;
		$sql['where'][] = $where;
		return $sql;
	}

	/**
	 * Identifies an existing table alias that is compatible with the current query clause.
	 *
	 * We avoid unnecessary table joins by allowing each clause to look for
	 * an existing table alias that is compatible with the query that it
	 * needs to perform.
	 *
	 * An existing alias is compatible if (a) it is a sibling of `$clause`
	 * (ie, it's under the scope of the same relation), and (b) the combination
	 * of operator and relation between the clauses allows for a shared table
	 * join. In the case of WP_Tax_Query, this only applies to 'IN'
	 * clauses that are connected by the relation 'OR'.
	 *
	 * @since 4.1.0
	 *
	 * @param array $clause       Query clause.
	 * @param array $parent_query Parent query of $clause.
	 * @return string|false Table alias if found, otherwise false.
	 */
	protected function find_compatible_table_alias( $clause, $parent_query ) {
		$alias = false;

		// Confidence check. Only IN queries use the JOIN syntax.
		if ( ! isset( $clause['operator'] ) || 'IN' !== $clause['operator'] ) {
			return $alias;
		}

		// Since we're only checking IN queries, we're only concerned with OR relations.
		if ( ! isset( $parent_query['relation'] ) || 'OR' !== $parent_query['relation'] ) {
			return $alias;
		}

		$compatible_operators = array( 'IN' );

		foreach ( $parent_query as $sibling ) {
			if ( ! is_array( $sibling ) || ! $this->is_first_order_clause( $sibling ) ) {
				continue;
			}

			if ( empty( $sibling['alias'] ) || empty( $sibling['operator'] ) ) {
				continue;
			}

			// The sibling must both have compatible operator to share its alias.
			if ( in_array( strtoupper( $sibling['operator'] ), $compatible_operators, true ) ) {
				$alias = preg_replace( '/\W/', '_', $sibling['alias'] );
				break;
			}
		}

		return $alias;
	}

	/**
	 * Validates a single query.
	 *
	 * @since 3.2.0
	 *
	 * @param array $query The single query. Passed by reference.
	 */
	private function clean_query( &$query ) {
		if ( empty( $query['taxonomy'] ) ) {
			if ( 'term_taxonomy_id' !== $query['field'] ) {
				$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
				return;
			}

			// So long as there are shared terms, 'include_children' requires that a taxonomy is set.
			$query['include_children'] = false;
		} elseif ( ! taxonomy_exists( $query['taxonomy'] ) ) {
			$query = new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
			return;
		}

		if ( 'slug' === $query['field'] || 'name' === $query['field'] ) {
			$query['terms'] = array_unique( (array) $query['terms'] );
		} else {
			$query['terms'] = wp_parse_id_list( $query['terms'] );
		}

		if ( is_taxonomy_hierarchical( $query['taxonomy'] ) && $query['include_children'] ) {
			$this->transform_query( $query, 'term_id' );

			if ( is_wp_error( $query ) ) {
				return;
			}

			$children = array();
			foreach ( $query['terms'] as $term ) {
				$children   = array_merge( $children, get_term_children( $term, $query['taxonomy'] ) );
				$children[] = $term;
			}
			$query['terms'] = $children;
		}

		$this->transform_query( $query, 'term_taxonomy_id' );
	}

	/**
	 * Transforms a single query, from one field to another.
	 *
	 * Operates on the `$query` object by reference. In the case of error,
	 * `$query` is converted to a WP_Error object.
	 *
	 * @since 3.2.0
	 *
	 * @param array  $query           The single query. Passed by reference.
	 * @param string $resulting_field The resulting field. Accepts 'slug', 'name', 'term_taxonomy_id',
	 *                                or 'term_id'. Default 'term_id'.
	 */
	public function transform_query( &$query, $resulting_field ) {
		if ( empty( $query['terms'] ) ) {
			return;
		}

		if ( $query['field'] === $resulting_field ) {
			return;
		}

		$resulting_field = sanitize_key( $resulting_field );

		// Empty 'terms' always results in a null transformation.
		$terms = array_filter( $query['terms'] );
		if ( empty( $terms ) ) {
			$query['terms'] = array();
			$query['field'] = $resulting_field;
			return;
		}

		$args = array(
			'get'                    => 'all',
			'number'                 => 0,
			'taxonomy'               => $query['taxonomy'],
			'update_term_meta_cache' => false,
			'orderby'                => 'none',
		);

		// Term query parameter name depends on the 'field' being searched on.
		switch ( $query['field'] ) {
			case 'slug':
				$args['slug'] = $terms;
				break;
			case 'name':
				$args['name'] = $terms;
				break;
			case 'term_taxonomy_id':
				$args['term_taxonomy_id'] = $terms;
				break;
			default:
				$args['include'] = wp_parse_id_list( $terms );
				break;
		}

		if ( ! is_taxonomy_hierarchical( $query['taxonomy'] ) ) {
			$args['number'] = count( $terms );
		}

		$term_query = new WP_Term_Query();
		$term_list  = $term_query->query( $args );

		if ( is_wp_error( $term_list ) ) {
			$query = $term_list;
			return;
		}

		if ( 'AND' === $query['operator'] && count( $term_list ) < count( $query['terms'] ) ) {
			$query = new WP_Error( 'inexistent_terms', __( 'Inexistent terms.' ) );
			return;
		}

		$query['terms'] = wp_list_pluck( $term_list, $resulting_field );
		$query['field'] = $resulting_field;
	}
}

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