name : widget-calendar.php <?php if ( ! class_exists( 'WP_Widget_Calendar' ) ) { require_once ABSPATH . '/wp-includes/default-widgets.php'; } /** * Obliged to rewrite the whole functionality as there is no filter on sql queries and only a filter on final output * Code base last checked with WP 4.9.7 * A request for making a filter on sql queries exists: http://core.trac.wordpress.org/ticket/15202 * Method used in 0.4.x: use of the get_calendar filter and overwrite the output of get_calendar function -> not very efficient (add 4 to 5 sql queries) * Method used since 0.5: remove the WP widget and replace it by our own -> our language filter will not work if get_calendar is called directly by a theme * * @since 0.5 */ class PLL_Widget_Calendar extends WP_Widget_Calendar { protected static $pll_instance = 0; // Can't use $instance of WP_Widget_Calendar as it's private :/ /** * Outputs the content for the current Calendar widget instance. * Modified version of the parent function to call our own get_calendar function. * * @since 0.5 * * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The settings for the particular instance of the widget. */ public function widget( $args, $instance ) { $title = ! empty( $instance['title'] ) ? $instance['title'] : ''; /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); echo $args['before_widget']; if ( $title ) { echo $args['before_title'] . $title . $args['after_title']; } if ( 0 === self::$pll_instance ) { #modified# echo '<div id="calendar_wrap" class="calendar_wrap">'; } else { echo '<div class="calendar_wrap">'; } empty( PLL()->curlang ) ? get_calendar() : self::get_calendar(); #modified# echo '</div>'; echo $args['after_widget']; self::$pll_instance++; #modified# } /** * Modified version of WP get_calendar function to filter the query * * @since 0.5 * * @param bool $initial Optional, default is true. Use initial calendar names. * @param bool $echo Optional, default is true. Set to false for return. * @return string|null String when retrieving, null when displaying. */ static public function get_calendar( $initial = true, $echo = true ) { global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; $join_clause = PLL()->model->post->join_clause(); #added# $where_clause = PLL()->model->post->where_clause( PLL()->curlang ); #added# $key = md5( PLL()->curlang->slug . $m . $monthnum . $year ); #modified# $cache = wp_cache_get( 'get_calendar', 'calendar' ); if ( $cache && is_array( $cache ) && isset( $cache[ $key ] ) ) { /** This filter is documented in wp-includes/general-template.php */ $output = apply_filters( 'get_calendar', $cache[ $key ] ); if ( $echo ) { echo $output; return; } return $output; } if ( ! is_array( $cache ) ) { $cache = array(); } // Quick check. If we have no posts at all, abort! if ( ! $posts ) { $gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1"); if ( ! $gotsome ) { $cache[ $key ] = ''; wp_cache_set( 'get_calendar', $cache, 'calendar' ); return; } } if ( isset( $_GET['w'] ) ) { $w = (int) $_GET['w']; } // week_begins = 0 stands for Sunday $week_begins = (int) get_option( 'start_of_week' ); $ts = current_time( 'timestamp' ); // Let's figure out when we are if ( ! empty( $monthnum ) && ! empty( $year ) ) { $thismonth = zeroise( intval( $monthnum ), 2 ); $thisyear = (int) $year; } elseif ( ! empty( $w ) ) { // We need to get the month from MySQL $thisyear = (int) substr( $m, 0, 4 ); //it seems MySQL's weeks disagree with PHP's $d = ( ( $w - 1 ) * 7 ) + 6; $thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')"); } elseif ( ! empty( $m ) ) { $thisyear = (int) substr( $m, 0, 4 ); if ( strlen( $m ) < 6 ) { $thismonth = '01'; } else { $thismonth = zeroise( (int) substr( $m, 4, 2 ), 2 ); } } else { $thisyear = gmdate( 'Y', $ts ); $thismonth = gmdate( 'm', $ts ); } $unixmonth = mktime( 0, 0 , 0, $thismonth, 1, $thisyear ); $last_day = date( 't', $unixmonth ); // Get the next and previous month and year with at least one post $previous = $wpdb->get_row( "SELECT MONTH( post_date ) AS month, YEAR( post_date ) AS year FROM $wpdb->posts $join_clause WHERE post_date < '$thisyear-$thismonth-01' AND post_type = 'post' AND post_status = 'publish' $where_clause ORDER BY post_date DESC LIMIT 1" ); #modified# $next = $wpdb->get_row( "SELECT MONTH( post_date ) AS month, YEAR( post_date ) AS year FROM $wpdb->posts $join_clause WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59' AND post_type = 'post' AND post_status = 'publish' $where_clause ORDER BY post_date ASC LIMIT 1" ); #modified# /* translators: Calendar caption: 1: month name, 2: 4-digit year */ $calendar_caption = _x( '%1$s %2$s', 'calendar caption' ); $calendar_output = '<table id="wp-calendar"> <caption>' . sprintf( $calendar_caption, $wp_locale->get_month( $thismonth ), date( 'Y', $unixmonth ) ) . '</caption> <thead> <tr>'; $myweek = array(); for ( $wdcount = 0; $wdcount <= 6; $wdcount++ ) { $myweek[] = $wp_locale->get_weekday( ( $wdcount + $week_begins ) % 7 ); } foreach ( $myweek as $wd ) { $day_name = $initial ? $wp_locale->get_weekday_initial( $wd ) : $wp_locale->get_weekday_abbrev( $wd ); $wd = esc_attr( $wd ); $calendar_output .= "\n\t\t<th scope=\"col\" title=\"$wd\">$day_name</th>"; } $calendar_output .= ' </tr> </thead> <tfoot> <tr>'; if ( $previous ) { $calendar_output .= "\n\t\t".'<td colspan="3" id="prev"><a href="' . get_month_link( $previous->year, $previous->month ) . '">&laquo; ' . $wp_locale->get_month_abbrev( $wp_locale->get_month( $previous->month ) ) . '</a></td>'; } else { $calendar_output .= "\n\t\t".'<td colspan="3" id="prev" class="pad">&nbsp;</td>'; } $calendar_output .= "\n\t\t".'<td class="pad">&nbsp;</td>'; if ( $next ) { $calendar_output .= "\n\t\t".'<td colspan="3" id="next"><a href="' . get_month_link( $next->year, $next->month ) . '">' . $wp_locale->get_month_abbrev( $wp_locale->get_month( $next->month ) ) . ' &raquo;</a></td>'; } else { $calendar_output .= "\n\t\t".'<td colspan="3" id="next" class="pad">&nbsp;</td>'; } $calendar_output .= ' </tr> </tfoot> <tbody> <tr>'; $daywithpost = array(); // Get days with posts $dayswithposts = $wpdb->get_results( "SELECT DISTINCT DAYOFMONTH( post_date ) FROM $wpdb->posts $join_clause WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' AND post_type = 'post' AND post_status = 'publish' $where_clause AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'", ARRAY_N ); #modified# if ( $dayswithposts ) { foreach ( (array) $dayswithposts as $daywith ) { $daywithpost[] = $daywith[0]; } } // See how much we should pad in the beginning $pad = calendar_week_mod( date( 'w', $unixmonth ) - $week_begins ); if ( 0 != $pad ) { $calendar_output .= "\n\t\t".'<td colspan="'. esc_attr( $pad ) .'" class="pad">&nbsp;</td>'; } $newrow = false; $daysinmonth = (int) date( 't', $unixmonth ); for ( $day = 1; $day <= $daysinmonth; ++$day ) { if ( isset($newrow) && $newrow ) { $calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t"; } $newrow = false; if ( $day == gmdate( 'j', $ts ) && $thismonth == gmdate( 'm', $ts ) && $thisyear == gmdate( 'Y', $ts ) ) { $calendar_output .= '<td id="today">'; } else { $calendar_output .= '<td>'; } if ( in_array( $day, $daywithpost ) ) { // any posts today? $date_format = date( _x( 'F j, Y', 'daily archives date format' ), strtotime( "{$thisyear}-{$thismonth}-{$day}" ) ); /* translators: Post calendar label. 1: Date */ $label = sprintf( __( 'Posts published on %s' ), $date_format ); $calendar_output .= sprintf( '<a href="%s" aria-label="%s">%s</a>', get_day_link( $thisyear, $thismonth, $day ), esc_attr( $label ), $day ); } else { $calendar_output .= $day; } $calendar_output .= '</td>'; if ( 6 == calendar_week_mod( date( 'w', mktime(0, 0 , 0, $thismonth, $day, $thisyear ) ) - $week_begins ) ) { $newrow = true; } } $pad = 7 - calendar_week_mod( date( 'w', mktime( 0, 0 , 0, $thismonth, $day, $thisyear ) ) - $week_begins ); if ( $pad != 0 && $pad != 7 ) { $calendar_output .= "\n\t\t".'<td class="pad" colspan="'. esc_attr( $pad ) .'">&nbsp;</td>'; } $calendar_output .= "\n\t</tr>\n\t</tbody>\n\t</table>"; $cache[ $key ] = $calendar_output; wp_cache_set( 'get_calendar', $cache, 'calendar' ); if ( $echo ) { /** * Filters the HTML calendar output. * * @since 3.0.0 * * @param string $calendar_output HTML output of the calendar. */ echo apply_filters( 'get_calendar', $calendar_output ); return; } /** This filter is documented in wp-includes/general-template.php */ return apply_filters( 'get_calendar', $calendar_output ); } }