<?php
/**
 * HTML API: WP_HTML_Span class
 *
 * @package WordPress
 * @subpackage HTML-API
 * @since 6.2.0
 */

/**
 * Core class used by the HTML tag processor to represent a textual span
 * inside an HTML document.
 *
 * This is a two-tuple in disguise, used to avoid the memory overhead
 * involved in using an array for the same purpose.
 *
 * This class is for internal usage of the WP_HTML_Tag_Processor class.
 *
 * @access private
 * @since 6.2.0
 * @since 6.5.0 Replaced `end` with `length` to more closely align with `substr()`.
 *
 * @see WP_HTML_Tag_Processor
 */
class WP_HTML_Span {
    /**
     * Byte offset into document where span begins.
     *
     * @since 6.2.0
     *
     * @var int
     */
    public $start;

    /**
     * Byte length of this span.
     *
     * @since 6.5.0
     *
     * @var int
     */
    public $length;

    /**
     * Constructor.
     *
     * @since 6.2.0
     *
     * @param int $start  Byte offset into document where replacement span begins.
     * @param int $length Byte length of span.
     */
    public function __construct( int $start, int $length ) {
        $this->start  = $start;
        $this->length = $length;
    }
}