WP_Query::get_queried_object() WP 1.5.0

Retrieve queried object.

If queried object is not set, then the queried object will be set from the category, tag, taxonomy, posts page, single post, page, or author query variable. After it is set up, it will be returned.

This is a method of the class: WP_Query

No Hooks.

Return

Object.

Usage

$WP_Query = new WP_Query();
$var = $WP_Query->get_queried_object();

Code of WP Query::get queried object: wp-includes/class-wp-query.php ^{WP 5.2}

<?php
public function get_queried_object() {
	if ( isset( $this->queried_object ) ) {
		return $this->queried_object;
	}

	$this->queried_object    = null;
	$this->queried_object_id = null;

	if ( $this->is_category || $this->is_tag || $this->is_tax ) {
		if ( $this->is_category ) {
			if ( $this->get( 'cat' ) ) {
				$term = get_term( $this->get( 'cat' ), 'category' );
			} elseif ( $this->get( 'category_name' ) ) {
				$term = get_term_by( 'slug', $this->get( 'category_name' ), 'category' );
			}
		} elseif ( $this->is_tag ) {
			if ( $this->get( 'tag_id' ) ) {
				$term = get_term( $this->get( 'tag_id' ), 'post_tag' );
			} elseif ( $this->get( 'tag' ) ) {
				$term = get_term_by( 'slug', $this->get( 'tag' ), 'post_tag' );
			}
		} else {
			// For other tax queries, grab the first term from the first clause.
			if ( ! empty( $this->tax_query->queried_terms ) ) {
				$queried_taxonomies = array_keys( $this->tax_query->queried_terms );
				$matched_taxonomy   = reset( $queried_taxonomies );
				$query              = $this->tax_query->queried_terms[ $matched_taxonomy ];

				if ( ! empty( $query['terms'] ) ) {
					if ( 'term_id' == $query['field'] ) {
						$term = get_term( reset( $query['terms'] ), $matched_taxonomy );
					} else {
						$term = get_term_by( $query['field'], reset( $query['terms'] ), $matched_taxonomy );
					}
				}
			}
		}

		if ( ! empty( $term ) && ! is_wp_error( $term ) ) {
			$this->queried_object    = $term;
			$this->queried_object_id = (int) $term->term_id;

			if ( $this->is_category && 'category' === $this->queried_object->taxonomy ) {
				_make_cat_compat( $this->queried_object );
			}
		}
	} elseif ( $this->is_post_type_archive ) {
		$post_type = $this->get( 'post_type' );
		if ( is_array( $post_type ) ) {
			$post_type = reset( $post_type );
		}
		$this->queried_object = get_post_type_object( $post_type );
	} elseif ( $this->is_posts_page ) {
		$page_for_posts          = get_option( 'page_for_posts' );
		$this->queried_object    = get_post( $page_for_posts );
		$this->queried_object_id = (int) $this->queried_object->ID;
	} elseif ( $this->is_singular && ! empty( $this->post ) ) {
		$this->queried_object    = $this->post;
		$this->queried_object_id = (int) $this->post->ID;
	} elseif ( $this->is_author ) {
		$this->queried_object_id = (int) $this->get( 'author' );
		$this->queried_object    = get_userdata( $this->queried_object_id );
	}

	return $this->queried_object;
}