関数 get_calendar()
2014/12/25
関数 get_calendar()
定義ファイル :/blog/wp-includes/general-template.php 4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | function get_calendar($initial = true, $echo = true) { global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; $key = md5( $m . $monthnum . $year ); if ( $cache = wp_cache_get( 'get_calendar', 'calendar' ) ) { if ( is_array($cache) && isset( $cache[ $key ] ) ) { if ( $echo ) { /** This filter is documented in wp-includes/general-template.php */ echo apply_filters( 'get_calendar', $cache[$key] ); return; } else { /** This filter is documented in wp-includes/general-template.php */ return apply_filters( 'get_calendar', $cache[$key] ); } } } 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']) ) $w = ''.intval($_GET['w']); // week_begins = 0 stands for Sunday $week_begins = intval(get_option('start_of_week')); // Let's figure out when we are if ( !empty($monthnum) && !empty($year) ) { $thismonth = ''.zeroise(intval($monthnum), 2); $thisyear = ''.intval($year); } elseif ( !empty($w) ) { // We need to get the month from MySQL $thisyear = ''.intval(substr($m, 0, 4)); $d = (($w - 1) * 7) + 6; //it seems MySQL's weeks disagree with PHP's $thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')"); } elseif ( !empty($m) ) { $thisyear = ''.intval(substr($m, 0, 4)); if ( strlen($m) < 6 ) $thismonth = '01'; else $thismonth = ''.zeroise(intval(substr($m, 4, 2)), 2); } else { $thisyear = gmdate('Y', current_time('timestamp')); $thismonth = gmdate('m', current_time('timestamp')); } $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 $wpdb->posts WHERE post_date < '$thisyear-$thismonth-01' AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date DESC LIMIT 1"); $next = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year FROM $wpdb->posts WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59' AND post_type = 'post' AND post_status = 'publish' ORDER BY post_date ASC LIMIT 1"); /* 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 = (true == $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) . '">« ' . $wp_locale->get_month_abbrev($wp_locale->get_month($previous->month)) . '</a></td>'; } else { $calendar_output .= "\n\t\t".'<td colspan="3" id="prev" class="pad"> </td>'; } $calendar_output .= "\n\t\t".'<td class="pad"> </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)) . ' »</a></td>'; } else { $calendar_output .= "\n\t\t".'<td colspan="3" id="next" class="pad"> </td>'; } $calendar_output .= ' </tr> </tfoot> <tbody> <tr>'; // Get days with posts $dayswithposts = $wpdb->get_results("SELECT DISTINCT DAYOFMONTH(post_date) FROM $wpdb->posts WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' AND post_type = 'post' AND post_status = 'publish' AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'", ARRAY_N); if ( $dayswithposts ) { foreach ( (array) $dayswithposts as $daywith ) { $daywithpost[] = $daywith[0]; } } else { $daywithpost = array(); } if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'camino') !== false || stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false) $ak_title_separator = "\n"; else $ak_title_separator = ', '; $ak_titles_for_day = array(); $ak_post_titles = $wpdb->get_results("SELECT ID, post_title, DAYOFMONTH(post_date) as dom " ."FROM $wpdb->posts " ."WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' " ."AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59' " ."AND post_type = 'post' AND post_status = 'publish'" ); if ( $ak_post_titles ) { foreach ( (array) $ak_post_titles as $ak_post_title ) { /** This filter is documented in wp-includes/post-template.php */ $post_title = esc_attr( apply_filters( 'the_title', $ak_post_title->post_title, $ak_post_title->ID ) ); if ( empty($ak_titles_for_day['day_'.$ak_post_title->dom]) ) $ak_titles_for_day['day_'.$ak_post_title->dom] = ''; if ( empty($ak_titles_for_day["$ak_post_title->dom"]) ) // first one $ak_titles_for_day["$ak_post_title->dom"] = $post_title; else $ak_titles_for_day["$ak_post_title->dom"] .= $ak_title_separator . $post_title; } } // 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"> </td>'; $daysinmonth = intval(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', current_time('timestamp')) && $thismonth == gmdate('m', current_time('timestamp')) && $thisyear == gmdate('Y', current_time('timestamp')) ) $calendar_output .= '<td id="today">'; else $calendar_output .= '<td>'; if ( in_array($day, $daywithpost) ) // any posts today? $calendar_output .= '<a href="' . get_day_link( $thisyear, $thismonth, $day ) . '" title="' . esc_attr( $ak_titles_for_day[ $day ] ) . "\">$day</a>"; 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) .'"> </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 ) { echo apply_filters( 'get_calendar', $calendar_output ); } else { return apply_filters( 'get_calendar', $calendar_output ); } } |