/**
 * Get global id
 *
 * @since 1.0.0
 * @return int $post_id
 */
if ( ! function_exists( 'sb_global_id' ) ) {
    function sb_global_id() {

        global $post;

        $post_id = $post->ID;

        return (int)$post_id;

    }
}

/**
 * Check whitespace or empty
 *
 * Callback for array_filter to filter an array's values
 * for whitespace or empty strings and remove it
 *
 * @since 1.0.0
 * @param string $val
 * @return bool
 */
if ( ! function_exists( 'sb_check_whitespace_or_empty' ) ) {
    function sb_check_whitespace_or_empty( $val ) {

        return $val != '' || preg_match( '/\S/', $val );

    }
}