WP_Theme_JSON::get_custom_templates() WordPress Method

	public function get_custom_templates() {
		$custom_templates = array();
		if ( ! isset( $this->theme_json['customTemplates'] ) || ! is_array( $this->theme_json['customTemplates'] ) ) {
			return $custom_templates;
		}

		foreach ( $this->theme_json['customTemplates'] as $item ) {
			if ( isset( $item['name'] ) ) {
				$custom_templates[ $item['name'] ] = array(
					'title'     => isset( $item['title'] ) ? $item['title'] : '',
					'postTypes' => isset( $item['postTypes'] ) ? $item['postTypes'] : array( 'page' ),
				);
			}
		}
		return $custom_templates;
	}