<?php function exam_plug_text_replace( $text ) { if ( is_numeric( $text ) ) { $current_date = date( 'Y/m/d' ); $text = absint( $text ); return date( "Y/m/d", strtotime( "$current_date +$text day" ) ); } return $text; } add_filter( 'widget_text', 'exam_plug_text_replace' ); ?>