DESIGN BASICS

New Home Design Trends

What’s Your Cost Per Square Foot?

What’s Your Cost Per Square Foot?

What's Your Cost Per Square Foot? For most home builders, asking them, “What’s your cost per square foot?” is a little like asking a mechanic what it’s going to cost to fix the engine in your car before he’s had a chance to look it over. Without knowing more, a price...

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When Smaller Is Smarter

When Smaller Is Smarter

WHEN SMALLER IS SMARTER She's 59. He's 61. And their kids have finally moved out for good!   Retirement's just around the corner. Their 2,700 square foot two-story served its purpose well, but it's been too big for the two of them for years. They want to build a...

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The Entertaining Kitchen

The Entertaining Kitchen

Many of the best times of our lives revolve around being with family and friends. Whether it’s hosting a formal get-together, holiday dinners or your children’s birthday parties, the kitchen is the hub of activity. A little extra attention spent planning flow, layout...

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What Does Green Mean For You?

As a Nation, We Can Do Better According to the U.S. EPA, the average home creates more pollution than the average automobile. It’s not surprising there is increasing interest in building environmentally responsible homes, and today it is possible to build “green”...

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The Three Faces Of Design

How form, function, and social design elements influence our product purchase decisions. The look and feel of a product is a quality all its own. You notice something. Instinctively, you’re attracted to it. It elicits an emotional response—perhaps, “Wow!” It captures your imagination while stirring something deep inside you.

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The Practical Side Of Design

The Practical Side Of Design

Beethoven had his piano. Picasso his brushes. Similarly, today’s homebuyers tend to initially judge builders on their“ artistic” architecture—with blueprints their sheet music and their 3-D canvas of wood, glass and stone. But beyond the visual and social appeals, it...

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Viewing: /var/www/designbasics/wp-includes/class-wp-block-list.php

<?php
/**
 * Blocks API: WP_Block_List class
 *
 * @package WordPress
 * @since 5.5.0
 */

/**
 * Class representing a list of block instances.
 *
 * @since 5.5.0
 */
#[AllowDynamicProperties]
class WP_Block_List implements Iterator, ArrayAccess, Countable {

	/**
	 * Original array of parsed block data, or block instances.
	 *
	 * @since 5.5.0
	 * @var array[]|WP_Block[]
	 * @access protected
	 */
	protected $blocks;

	/**
	 * All available context of the current hierarchy.
	 *
	 * @since 5.5.0
	 * @var array
	 * @access protected
	 */
	protected $available_context;

	/**
	 * Block type registry to use in constructing block instances.
	 *
	 * @since 5.5.0
	 * @var WP_Block_Type_Registry
	 * @access protected
	 */
	protected $registry;

	/**
	 * Constructor.
	 *
	 * Populates object properties from the provided block instance argument.
	 *
	 * @since 5.5.0
	 *
	 * @param array[]|WP_Block[]     $blocks            Array of parsed block data, or block instances.
	 * @param array                  $available_context Optional array of ancestry context values.
	 * @param WP_Block_Type_Registry $registry          Optional block type registry.
	 */
	public function __construct( $blocks, $available_context = array(), $registry = null ) {
		if ( ! $registry instanceof WP_Block_Type_Registry ) {
			$registry = WP_Block_Type_Registry::get_instance();
		}

		$this->blocks            = $blocks;
		$this->available_context = $available_context;
		$this->registry          = $registry;
	}

	/**
	 * Returns true if a block exists by the specified block offset, or false
	 * otherwise.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/arrayaccess.offsetexists.php
	 *
	 * @param string $offset Offset of block to check for.
	 * @return bool Whether block exists.
	 */
	#[ReturnTypeWillChange]
	public function offsetExists( $offset ) {
		return isset( $this->blocks[ $offset ] );
	}

	/**
	 * Returns the value by the specified block offset.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/arrayaccess.offsetget.php
	 *
	 * @param string $offset Offset of block value to retrieve.
	 * @return mixed|null Block value if exists, or null.
	 */
	#[ReturnTypeWillChange]
	public function offsetGet( $offset ) {
		$block = $this->blocks[ $offset ];

		if ( isset( $block ) && is_array( $block ) ) {
			$block = new WP_Block( $block, $this->available_context, $this->registry );

			$this->blocks[ $offset ] = $block;
		}

		return $block;
	}

	/**
	 * Assign a block value by the specified block offset.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/arrayaccess.offsetset.php
	 *
	 * @param string $offset Offset of block value to set.
	 * @param mixed  $value Block value.
	 */
	#[ReturnTypeWillChange]
	public function offsetSet( $offset, $value ) {
		if ( is_null( $offset ) ) {
			$this->blocks[] = $value;
		} else {
			$this->blocks[ $offset ] = $value;
		}
	}

	/**
	 * Unset a block.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/arrayaccess.offsetunset.php
	 *
	 * @param string $offset Offset of block value to unset.
	 */
	#[ReturnTypeWillChange]
	public function offsetUnset( $offset ) {
		unset( $this->blocks[ $offset ] );
	}

	/**
	 * Rewinds back to the first element of the Iterator.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/iterator.rewind.php
	 */
	#[ReturnTypeWillChange]
	public function rewind() {
		reset( $this->blocks );
	}

	/**
	 * Returns the current element of the block list.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/iterator.current.php
	 *
	 * @return mixed Current element.
	 */
	#[ReturnTypeWillChange]
	public function current() {
		return $this->offsetGet( $this->key() );
	}

	/**
	 * Returns the key of the current element of the block list.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/iterator.key.php
	 *
	 * @return mixed Key of the current element.
	 */
	#[ReturnTypeWillChange]
	public function key() {
		return key( $this->blocks );
	}

	/**
	 * Moves the current position of the block list to the next element.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/iterator.next.php
	 */
	#[ReturnTypeWillChange]
	public function next() {
		next( $this->blocks );
	}

	/**
	 * Checks if current position is valid.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/iterator.valid.php
	 */
	#[ReturnTypeWillChange]
	public function valid() {
		return null !== key( $this->blocks );
	}

	/**
	 * Returns the count of blocks in the list.
	 *
	 * @since 5.5.0
	 *
	 * @link https://www.php.net/manual/en/countable.count.php
	 *
	 * @return int Block count.
	 */
	#[ReturnTypeWillChange]
	public function count() {
		return count( $this->blocks );
	}
}

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