Good practices

function wpbeginner_numeric_posts_nav() { if( is_singular() ) return; global $wp_query; /** Stop execution if there's only 1 page */ if( $wp_query->max_num_pages <= 1 ) return; $paged = get_query_var( 'paged' ) ? absint( get_query_var( 'paged' ) ) : 1; $max = intval( $wp_query->max_num_pages ); /** Add current page to the array */ if ( $paged >= 1 ) $links[] = $paged; /** Add the pages around the current page to the array */ if ( $paged >= 3 ) { $links[] = $paged - 1; $links[] = $paged - 2; } if ( ( $paged + 2 ) <= $max ) { $links[] = $paged + 2; $links[] = $paged + 1; } echo '
' . "\n"; }