WordPress at a glance
function is not described

WP_Post_Type::set_props() WP 4.6.0

Sets post type properties.

This is a method of the class: WP_Post_Type

Hooks from the method
Return

Null. Nothing.

Usage

$WP_Post_Type = new WP_Post_Type();
$var = $WP_Post_Type->set_props( $args );
$args(array/string) (required)
Array or string of arguments for registering a post type.

Changelog

Since 4.6.0 Introduced.

Code of WP Post Type::set props: wp-includes/class-wp-post-type.php WP 5.2.2

<?php
public function set_props( $args ) {
	$args = wp_parse_args( $args );

	/**
	 * Filters the arguments for registering a post type.
	 *
	 * @since 4.4.0
	 *
	 * @param array  $args      Array of arguments for registering a post type.
	 * @param string $post_type Post type key.
	 */
	$args = apply_filters( 'register_post_type_args', $args, $this->name );

	$has_edit_link = ! empty( $args['_edit_link'] );

	// Args prefixed with an underscore are reserved for internal use.
	$defaults = array(
		'labels'                => array(),
		'description'           => '',
		'public'                => false,
		'hierarchical'          => false,
		'exclude_from_search'   => null,
		'publicly_queryable'    => null,
		'show_ui'               => null,
		'show_in_menu'          => null,
		'show_in_nav_menus'     => null,
		'show_in_admin_bar'     => null,
		'menu_position'         => null,
		'menu_icon'             => null,
		'capability_type'       => 'post',
		'capabilities'          => array(),
		'map_meta_cap'          => null,
		'supports'              => array(),
		'register_meta_box_cb'  => null,
		'taxonomies'            => array(),
		'has_archive'           => false,
		'rewrite'               => true,
		'query_var'             => true,
		'can_export'            => true,
		'delete_with_user'      => null,
		'show_in_rest'          => false,
		'rest_base'             => false,
		'rest_controller_class' => false,
		'_builtin'              => false,
		'_edit_link'            => 'post.php?post=%d',
	);

	$args = array_merge( $defaults, $args );

	$args['name'] = $this->name;

	// If not set, default to the setting for public.
	if ( null === $args['publicly_queryable'] ) {
		$args['publicly_queryable'] = $args['public'];
	}

	// If not set, default to the setting for public.
	if ( null === $args['show_ui'] ) {
		$args['show_ui'] = $args['public'];
	}

	// If not set, default to the setting for show_ui.
	if ( null === $args['show_in_menu'] || ! $args['show_ui'] ) {
		$args['show_in_menu'] = $args['show_ui'];
	}

	// If not set, default to the whether the full UI is shown.
	if ( null === $args['show_in_admin_bar'] ) {
		$args['show_in_admin_bar'] = (bool) $args['show_in_menu'];
	}

	// If not set, default to the setting for public.
	if ( null === $args['show_in_nav_menus'] ) {
		$args['show_in_nav_menus'] = $args['public'];
	}

	// If not set, default to true if not public, false if public.
	if ( null === $args['exclude_from_search'] ) {
		$args['exclude_from_search'] = ! $args['public'];
	}

	// Back compat with quirky handling in version 3.0. #14122.
	if ( empty( $args['capabilities'] ) && null === $args['map_meta_cap'] && in_array( $args['capability_type'], array( 'post', 'page' ) ) ) {
		$args['map_meta_cap'] = true;
	}

	// If not set, default to false.
	if ( null === $args['map_meta_cap'] ) {
		$args['map_meta_cap'] = false;
	}

	// If there's no specified edit link and no UI, remove the edit link.
	if ( ! $args['show_ui'] && ! $has_edit_link ) {
		$args['_edit_link'] = '';
	}

	$this->cap = get_post_type_capabilities( (object) $args );
	unset( $args['capabilities'] );

	if ( is_array( $args['capability_type'] ) ) {
		$args['capability_type'] = $args['capability_type'][0];
	}

	if ( false !== $args['query_var'] ) {
		if ( true === $args['query_var'] ) {
			$args['query_var'] = $this->name;
		} else {
			$args['query_var'] = sanitize_title_with_dashes( $args['query_var'] );
		}
	}

	if ( false !== $args['rewrite'] && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) {
		if ( ! is_array( $args['rewrite'] ) ) {
			$args['rewrite'] = array();
		}
		if ( empty( $args['rewrite']['slug'] ) ) {
			$args['rewrite']['slug'] = $this->name;
		}
		if ( ! isset( $args['rewrite']['with_front'] ) ) {
			$args['rewrite']['with_front'] = true;
		}
		if ( ! isset( $args['rewrite']['pages'] ) ) {
			$args['rewrite']['pages'] = true;
		}
		if ( ! isset( $args['rewrite']['feeds'] ) || ! $args['has_archive'] ) {
			$args['rewrite']['feeds'] = (bool) $args['has_archive'];
		}
		if ( ! isset( $args['rewrite']['ep_mask'] ) ) {
			if ( isset( $args['permalink_epmask'] ) ) {
				$args['rewrite']['ep_mask'] = $args['permalink_epmask'];
			} else {
				$args['rewrite']['ep_mask'] = EP_PERMALINK;
			}
		}
	}

	foreach ( $args as $property_name => $property_value ) {
		$this->$property_name = $property_value;
	}

	$this->labels = get_post_type_labels( $this );
	$this->label  = $this->labels->name;
}