<?php

/**

 * WordPress Query API

 *

 * The query API attempts to get which part of WordPress the user is on. It

 * also provides functionality for getting URL query information.

 *

 * @link https://codex.wordpress.org/The_Loop More information on The Loop.

 *

 * @package WordPress

 * @subpackage Query

 */

/**

 * Retrieve variable in the WP_Query class.

 *

 * @since 1.5.0

 *

 * @param string $var       The variable key to retrieve.

 */

function get_query_var( $var, $default = '' ) {

	global $wp_query;

	return $wp_query->get( $var, $default );

}

/**

 *

 *

 * @since 3.1.0

 *

 */

function get_queried_object() {

	global $wp_query;

	return $wp_query->get_queried_object();

}

/**

 *

 *

 * @since 3.1.0

 *

 */

function get_queried_object_id() {

	global $wp_query;

	return $wp_query->get_queried_object_id();

}

/**

 * Set query variable.

 *

 * @since 2.2.0

 *

 */

	global $wp_query;

}

/**

 *

 *

 * @since 1.5.0

 *

 */

function query_posts($query) {

	$GLOBALS['wp_query'] = new WP_Query();

	return $GLOBALS['wp_query']->query($query);

}

/**

 *

 *

 * @since 2.3.0

 */

function wp_reset_query() {

	$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];

	wp_reset_postdata();

}

/**

 * After looping through a separate query, this function restores

 * the $post global to the current post in the main query.

 *

 * @since 3.0.0

 */

function wp_reset_postdata() {

	global $wp_query;

	if ( isset( $wp_query ) ) {

		$wp_query->reset_postdata();

	}

}

/*

 * Query type checks.

 */

/**

 * Is the query for an existing archive page?

 *

 * Month, Year, Category, Author, Post Type archive...

 *

 * @since 1.5.0

 *

 * @return bool

 */

function is_archive() {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_archive();

}

/**

 * Is the query for an existing post type archive page?

 *

 * @since 3.1.0

 *

 * @return bool

 */

function is_post_type_archive( $post_types = '' ) {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_post_type_archive( $post_types );

}

/**

 * Is the query for an existing attachment page?

 *

 * @since 2.0.0

 *

 * @param int|string|array|object $attachment Attachment ID, title, slug, or array of such.

 * @return bool

 */

function is_attachment( $attachment = '' ) {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_attachment( $attachment );

}

/**

 * Is the query for an existing author archive page?

 *

 * If the $author parameter is specified, this function will additionally

 * check if the query is for one of the authors specified.

 *

 * @since 1.5.0

 *

 * @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames

 * @return bool

 */

function is_author( $author = '' ) {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_author( $author );

}

/**

 * Is the query for an existing category archive page?

 *

 * If the $category parameter is specified, this function will additionally

 * check if the query is for one of the categories specified.

 *

 * @since 1.5.0

 *

 * @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.

 * @return bool

 */

function is_category( $category = '' ) {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_category( $category );

}

/**

 * Is the query for an existing tag archive page?

 *

 * If the $tag parameter is specified, this function will additionally

 * check if the query is for one of the tags specified.

 *

 * @since 2.3.0

 *

 * @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.

 * @return bool

 */

function is_tag( $tag = '' ) {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_tag( $tag );

}

/**

 *

 * If the $taxonomy parameter is specified, this function will additionally

 * check if the query is for that specific $taxonomy.

 *

 * If the $term parameter is specified in addition to the $taxonomy parameter,

 * this function will additionally check if the query is for one of the terms

 * specified.

 *

 * @since 2.5.0

 *

 */

function is_tax( $taxonomy = '', $term = '' ) {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_tax( $taxonomy, $term );

}

/**

 * Is the query for an existing date archive?

 *

 * @since 1.5.0

 *

 * @return bool

 */

function is_date() {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_date();

}

/**

 * Is the query for an existing day archive?

 *

 * @since 1.5.0

 *

 * @return bool

 */

function is_day() {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_day();

}

/**

 * Is the query for a feed?

 *

 * @since 1.5.0

 *

 * @param string|array $feeds Optional feed types to check.

 * @return bool

 */

function is_feed( $feeds = '' ) {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_feed( $feeds );

}

/**

 * Is the query for a comments feed?

 *

 * @since 3.0.0

 *

 * @return bool

 */

function is_comment_feed() {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_comment_feed();

}

/**

 * Is the query for the front page of the site?

 *

 * This is for what is displayed at your site's main URL.

 *

 * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.

 *

 * If you set a static page for the front page of your site, this function will return

 * true when viewing that page.

 *

 * Otherwise the same as @see is_home()

 *

 * @since 2.5.0

 *

 * @return bool True, if front of site.

 */

function is_front_page() {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_front_page();

}

/**

 *

 *

 *

 *

 * @see is_front_page()

 *

 */

function is_home() {

	global $wp_query;

	if ( ! isset( $wp_query ) ) {

		return false;

	}

	return $wp_query->is_home();

}

/**

 * Is the query for an existing month archive?

 *

 * @since 1.5.0

 *

 * @return bool

 */

function is_month() {

	global $wp_query;