111 lines
5.0 KiB
PHP
111 lines
5.0 KiB
PHP
<?php
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# PHP Calendar (version 2.3), written by Keith Devens
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# http://keithdevens.com/software/php_calendar
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# see example at http://keithdevens.com/weblog
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# License: http://keithdevens.com/software/license
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/*
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Changes made to original PHP Calendar script by me (Ross Hanney):
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- Renamed CSS classes to fit with my plugin
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- Slight modification of lines 63-71 to use Unix timestamp rather than day number
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- Renamed function to prevent conflicts
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- Replaced strftime with date_i18n
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- Use of $wp_locale to get weekday initials
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- Replaced htmlentities() with esc_attr() and esc_html()
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- Other small markup changes
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- Replaced gmmktime() with mktime()
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*/
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function gce_generate_calendar( $year, $month, $days = array(), $day_name_length = 3, $month_href = NULL, $first_day = 0, $pn = array(), $widget = false ) {
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global $wp_locale;
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$paging = false;
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if( ! empty( $pn ) ) {
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$paging = true;
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}
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$first_of_month = mktime( 0, 0, 0, $month, 1, $year );
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#remember that mktime will automatically correct if invalid dates are entered
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# for instance, mktime(0,0,0,12,32,1997) will be the date for Jan 1, 1998
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# this provides a built in "rounding" feature to generate_calendar()
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$day_names = array(); #generate all the day names according to the current locale
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for ( $n = 0, $t = ( 3 + $first_day ) * 86400; $n < 7; $n++, $t += 86400 ) { #January 4, 1970 was a Sunday
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$day_names[$n]['full'] = date_i18n( 'l', $t, true );
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$day_names[$n]['initial'] = $wp_locale->get_weekday_initial( date_i18n( 'l', $t, true ) );
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}
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list( $month, $year, $month_name, $weekday ) = explode( ',', date_i18n( 'm, Y, F, w', $first_of_month ) );
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$weekday = ( $weekday + 7 - $first_day ) % 7; #adjust for $first_day
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$title = esc_html( $month_name ) . ' ' . $year; #note that some locales don't capitalize month and day names
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#Begin calendar. Uses a real <caption>. See http://diveintomark.org/archives/2002/07/03
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list( $p, $pl ) = each( $pn );
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list( $n, $nl ) = each( $pn ); #previous and next links, if applicable
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// Previous filter
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$p = apply_filters( 'gce_prev_text', $p );
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// Next filter
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$n = apply_filters( 'gce_next_text', $n );
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if( $widget ) {
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$p = '<div class="gce-prev">' . ( ( $pl ) ? ( '<a href="#" class="gce-change-month" title="' . esc_attr__( 'Previous month', 'gce' ) . '" name="' . $pl . '" data-gce-grid-paging="' . $paging . '">' . $p . '</a>' ) : $p ) . '</div>';
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} else {
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$p = '<div class="gce-prev">' . ( ( $pl ) ? ( '<a href="#" class="gce-change-month" title="' . esc_attr__( 'Previous month', 'gce' ) . '" name="' . $pl . '" data-gce-grid-paging="' . $paging . '">' . $p . '</a>' ) : $p ) . '</div>';
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}
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if( $widget ) {
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$n = '<div class="gce-next">' . ( ( $nl ) ? ( '<a href="#" class="gce-change-month" title="' . esc_attr__( 'Next month', 'gce' ) . '" name="' . $nl . '" data-gce-grid-paging="' . $paging . '">' . $n . '</a>' ) : $n ) . '</div>';
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} else {
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$n = '<div class="gce-next">' . ( ( $nl ) ? ( '<a href="#" class="gce-change-month" title="' . esc_attr__( 'Next month', 'gce' ) . '" name="' . $nl . '" data-gce-grid-paging="' . $paging . '">' . $n . '</a>' ) : $n ) . '</div>';
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}
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$calendar = '<table class="gce-calendar">' . "\n" .
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'<caption class="gce-caption">' .
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'<div class="gce-navbar">' .
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$p .
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$n .
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'<div class="gce-month-title">' . ( ( $month_href ) ? ( '<a href="' . esc_attr( $month_href ) . '">' . $title . '</a>' ) : $title ) . '</div>' .
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'</div>' .
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'</caption>' . "\n" .
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'<tr>' . "\n";
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if ( $day_name_length ) { #if the day names should be shown ($day_name_length > 0)
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#if day_name_length is >3, the full name of the day will be printed
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foreach ( $day_names as $d ) {
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$calendar .= '<th><abbr title="' . esc_attr( $d['full'] ) . '">' . esc_html( $d['initial'] ) . '</abbr></th>';
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}
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$calendar .= "</tr>\n<tr>";
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}
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$time_now = current_time( 'timestamp' );
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$today = mktime( 0, 0, 0, date( 'm', $time_now ), date( 'd', $time_now ), date( 'Y', $time_now ) );
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if ( $weekday > 0 ) $calendar .= '<td colspan="' . $weekday . '"> </td>'; #initial 'empty' days
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for ( $day = 1, $days_in_month = date( 't', $first_of_month ); $day <= $days_in_month; $day++, $weekday++ ) {
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if ( 7 == $weekday ) {
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$weekday = 0; #start a new week
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$calendar .= "</tr>\n<tr>";
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}
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$timestamp = mktime( 0, 0, 0, $month, $day, $year );
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if ( isset( $days[$timestamp] ) && is_array( $days[$timestamp] ) ) {
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list( $link, $classes, $content ) = $days[$timestamp];
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$calendar .= '<td' . ( ( $classes ) ? ( ' class="' . $classes . '">' ) : '>' ) . ( ( $link ) ? ( '<a href="' . $link . '"><span class="gce-day-number">' . $day . '</span></a>' . $content ) : '<span class="gce-day-number">' . $day . '</span>' . $content ) . '</td>';
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}else{
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$css_class = ( $timestamp < $time_now ) ? 'gce-day-past' : 'gce-day-future';
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$calendar .= '<td class="' . $css_class . '"><span class="gce-day-number">' . $day . '</span></td>';
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}
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}
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if ( 7 != $weekday ) $calendar .= '<td colspan="' . ( 7 - $weekday ) . '"> </td>'; #remaining "empty" days
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return $calendar . "</tr>\n</table>\n";
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}
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?>
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