<h2>File Contents: /home/planet5/www/wp-content/plugins/broken-link-checker/core/controllers/class-virtual-post.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/wp-content/plugins/broken-link-checker/core/controllers/class-virtual-post.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
/**
 * Virtual Post Parent Class.
 *
 * @link    https://wordpress.org/plugins/broken-link-checker/
 * @since   2.0.0
 *
 * @author  WPMUDEV (https://wpmudev.com)
 * @package WPMUDEV_BLC\Core\Controllers
 *
 * @copyright (c) 2022, Incsub (http://incsub.com)
 */

namespace WPMUDEV_BLC\Core\Controllers;

// If this file is called directly, abort.
defined( &#039;WPINC&#039; ) || die;

use stdClass;
use WP_Post;
use WPMUDEV_BLC\Core\Utils\Abstracts\Base;

/**
 * Class Mailer
 *
 * @package WPMUDEV_BLC\Core\Controllers
 */
abstract class Virtual_Post extends Base {
	/**
	 * The default query args. Can be overridden in child class and 3rd party classes.
	 *
	 * @var array
	 */
	public $query_args = array(
		&#039;is_page&#039;     =&gt; true,
		&#039;is_singular&#039; =&gt; true,
		&#039;is_home&#039;     =&gt; false,
		&#039;is_archive&#039;  =&gt; false,
		&#039;is_category&#039; =&gt; false,
		&#039;reset_error&#039; =&gt; true,
		&#039;error&#039;       =&gt; &#039;&#039;,
		&#039;is_404&#039;      =&gt; false,
	);
	/**
	 * The final post args. Can be overridden in child and 3rd party class.
	 *
	 * @var array
	 */
	public $post_args = array();
	/**
	 * The virtual post title.
	 *
	 * @var string $post_title The post title.
	 */
	protected $post_title = &#039;&#039;;
	/**
	 * A boolean property that defines if virtual post should load or not.
	 *
	 * @var bool $load_virtual_post
	 */
	protected $load_virtual_post = false;
	/**
	 * The default post args. Set in set_default_post_args. Can not be overridden in child class.
	 *
	 * @var array
	 */
	private $default_post_args = array();

	/**
	 * Init Webhook
	 *
	 * @since 2.0.0
	 *
	 * @return void
	 */
	public function init() {
		/*
		 * Prepare post vars.
		 */
		$this-&gt;prepare_vars();

		/*
		 * Default post values need to be set after child class properties are set as default post values may depend
		 * on those props.
		 */
		$this-&gt;set_default_post_args();

		/**
		 * The virtual post will be loaded from the_posts filter.
		 */
		add_filter( &#039;the_posts&#039;, array( $this, &#039;virtual_post&#039; ), 10, 2 );
	}

	/**
	 * Prepares the class properties. Required in each child class.
	 *
	 * @return void
	 */
	abstract public function prepare_vars();

	/**
	 * Sets default virtual post&#039;s args.
	 *
	 * @return void
	 */
	private function set_default_post_args() {
		//$this-&gt;default_post_args[&#039;ID&#039;]             = - 99;
		$this-&gt;default_post_args[&#039;ID&#039;]             = 0;
		$this-&gt;default_post_args[&#039;post_type&#039;]      = &#039;post&#039;;
		$this-&gt;default_post_args[&#039;post_author&#039;]    = 1;
		$this-&gt;default_post_args[&#039;post_name&#039;]      = sanitize_title( $this-&gt;post_title );
		$this-&gt;default_post_args[&#039;guid&#039;]           = get_bloginfo( site_url() . &#039;/&#039; . $this-&gt;default_post_args[&#039;post_name&#039;] );
		$this-&gt;default_post_args[&#039;post_title&#039;]     = sanitize_text_field( $this-&gt;post_title );
		$this-&gt;default_post_args[&#039;post_status&#039;]    = &#039;static&#039;;
		$this-&gt;default_post_args[&#039;comment_status&#039;] = &#039;closed&#039;;
		$this-&gt;default_post_args[&#039;ping_status&#039;]    = &#039;closed&#039;;
		$this-&gt;default_post_args[&#039;comment_count&#039;]  = 0;
		$this-&gt;default_post_args[&#039;post_date&#039;]      = current_time( &#039;mysql&#039; );
		$this-&gt;default_post_args[&#039;post_date_gmt&#039;]  = current_time( &#039;mysql&#039;, 1 );
		$this-&gt;default_post_args[&#039;filter&#039;]         = &#039;raw&#039;;
	}

	/**
	 * Returns the posts list which contains only the virtual post.
	 *
	 * @param array $posts .
	 *
	 * @return array Array of \WP_Post
	 */
	public function virtual_post( $posts, $query ) {
		if ( ! $query-&gt;is_main_query() || ( ! empty( $posts[0]-&gt;post_type ) &amp;&amp; &#039;wp_global_styles&#039; === $posts[0]-&gt;post_type ) || ! $this-&gt;can_load_virtual_post() ) {
			return $posts;
		}

		global $wp_query;
		$wp_query-&gt;is_page = true;
		$wp_query-&gt;is_singular = true;

		$this-&gt;set_query_vars();

		return array( $this-&gt;get_virtual_post() );
	}

	/**
	 * Defines if current virtual post should load or not. This is important to be handled in each child class
	 * separately.
	 *
	 * @return bool
	 */
	abstract public function can_load_virtual_post();

	/**
	 * Sets wp_query vars.
	 *
	 * @return void
	 */
	protected function set_query_vars() {
		global $wp_query;

		$query_args = apply_filters(
			&#039;wpmudev_blc_virtual_post_query_args&#039;,
			$this-&gt;query_args,
			$this
		);

		$wp_query-&gt;is_page     = ! isset( $query_args[&#039;is_page&#039;] ) || (bool) $query_args[&#039;is_page&#039;];
		$wp_query-&gt;is_singular = ! isset( $query_args[&#039;is_singular&#039;] ) || (bool) $query_args[&#039;is_singular&#039;];
		$wp_query-&gt;is_home     = $query_args[&#039;is_home&#039;] ?? false;
		$wp_query-&gt;is_archive  = $query_args[&#039;is_archive&#039;] ?? false;
		$wp_query-&gt;is_category = $query_args[&#039;is_category&#039;] ?? false;

		if ( isset( $query_args[&#039;reset_error&#039;] ) &amp;&amp; $query_args[&#039;reset_error&#039;] ) {
			unset( $wp_query-&gt;query[&#039;error&#039;] );
			$wp_query-&gt;query_vars[&#039;error&#039;] = $query_args[&#039;error&#039;] ?? &#039;&#039;;
		}

		$wp_query-&gt;is_404 = isset( $query_args[&#039;is_404&#039;] ) &amp;&amp; (bool) $query_args[&#039;is_404&#039;];
	}

	/**
	 * Returns the virtual post object.
	 *
	 * @return WP_Post
	 */
	protected function get_virtual_post() {
		$post            = new stdClass();
		$this-&gt;post_args = apply_filters(
			&#039;wpmudev_blc_virtual_post_args&#039;,
			wp_parse_args( $this-&gt;post_args, $this-&gt;default_post_args ),
			$this::instance()
		);

		foreach ( $this-&gt;post_args as $post_arg_key =&gt; $post_arg_value ) {
			$post-&gt;$post_arg_key = $post_arg_value;
		}

		/*
		 * Instead of using $post-&gt;content we prefer to hook into the the_content filter, because block themes (https://developer.wordpress.org/block-editor/how-to-guides/themes/block-theme-overview/) such
		 * as Twenty Twenty Two will repeat the post content in multiple page parts.
		 */
		/*
		 *
		 */
		/*
		add_filter(
			&#039;the_content&#039;,
			function () {
				return wp_kses_post( $this-&gt;post_content() );
			}
		);
		*/

		/*
		 * Update. We are now checking condition `$query-&gt;is_main_query()` in `virtual_post`.
		 * So we don&#039;t have page blocks repeating the post content.
		 */
		$post-&gt;post_content = wp_kses_post( $this-&gt;post_content() );

		return new WP_Post( $post );
	}

	/**
	 * Returns a string with the content of virtual post.
	 *
	 * @param string $the_content
	 *
	 * @return string
	 */
	abstract protected function post_content( string $the_content = &#039;&#039; );
}
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