関数　wp_get_archives()

2014/12/17 2014/12/25

1 関数　wp_get_archives()
2 定義ファイル :/blog/wp-includes/general-template.php 3

関数　wp_get_archives()

定義ファイル :/blog/wp-includes/general-template.php 3

function wp_get_archives( $args = '' ) {
	global $wpdb, $wp_locale;

	$defaults = array(
		'type' => 'monthly', 'limit' => '',
		'format' => 'html', 'before' => '',
		'after' => '', 'show_post_count' => false,
		'echo' => 1, 'order' => 'DESC',
	);

	$r = wp_parse_args( $args, $defaults );

	if ( '' == $r['type'] ) {
		$r['type'] = 'monthly';
	}

	if ( ! empty( $r['limit'] ) ) {
		$r['limit'] = absint( $r['limit'] );
		$r['limit'] = ' LIMIT ' . $r['limit'];
	}

	$order = strtoupper( $r['order'] );
	if ( $order !== 'ASC' ) {
		$order = 'DESC';
	}

	// this is what will separate dates on weekly archive links
	$archive_week_separator = '&#8211;';

	// over-ride general date format ? 0 = no: use the date format set in Options, 1 = yes: over-ride
	$archive_date_format_over_ride = 0;

	// options for daily archive (only if you over-ride the general date format)
	$archive_day_date_format = 'Y/m/d';

	// options for weekly archive (only if you over-ride the general date format)
	$archive_week_start_date_format = 'Y/m/d';
	$archive_week_end_date_format	= 'Y/m/d';

	if ( ! $archive_date_format_over_ride ) {
		$archive_day_date_format = get_option( 'date_format' );
		$archive_week_start_date_format = get_option( 'date_format' );
		$archive_week_end_date_format = get_option( 'date_format' );
	}

	$where = apply_filters( 'getarchives_where', "WHERE post_type = 'post' AND post_status = 'publish'", $r );

	$join = apply_filters( 'getarchives_join', '', $r );

	$output = '';

	$last_changed = wp_cache_get( 'last_changed', 'posts' );
	if ( ! $last_changed ) {
		$last_changed = microtime();
		wp_cache_set( 'last_changed', $last_changed, 'posts' );
	}

	$limit = $r['limit'];

	if ( 'monthly' == $r['type'] ) {
		$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date $order $limit";
		$key = md5( $query );
		$key = "wp_get_archives:$key:$last_changed";
		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
			$results = $wpdb->get_results( $query );
			wp_cache_set( $key, $results, 'posts' );
		}
		if ( $results ) {
			$after = $r['after'];
			foreach ( (array) $results as $result ) {
				$url = get_month_link( $result->year, $result->month );
				/* translators: 1: month name, 2: 4-digit year */
				$text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $result->month ), $result->year );
				if ( $r['show_post_count'] ) {
					$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
				}
				$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
			}
		}
	} elseif ( 'yearly' == $r['type'] ) {
		$query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date $order $limit";
		$key = md5( $query );
		$key = "wp_get_archives:$key:$last_changed";
		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
			$results = $wpdb->get_results( $query );
			wp_cache_set( $key, $results, 'posts' );
		}
		if ( $results ) {
			$after = $r['after'];
			foreach ( (array) $results as $result) {
				$url = get_year_link( $result->year );
				$text = sprintf( '%d', $result->year );
				if ( $r['show_post_count'] ) {
					$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
				}
				$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
			}
		}
	} elseif ( 'daily' == $r['type'] ) {
		$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date $order $limit";
		$key = md5( $query );
		$key = "wp_get_archives:$key:$last_changed";
		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
			$results = $wpdb->get_results( $query );
			$cache[ $key ] = $results;
			wp_cache_set( $key, $results, 'posts' );
		}
		if ( $results ) {
			$after = $r['after'];
			foreach ( (array) $results as $result ) {
				$url  = get_day_link( $result->year, $result->month, $result->dayofmonth );
				$date = sprintf( '%1$d-%2$02d-%3$02d 00:00:00', $result->year, $result->month, $result->dayofmonth );
				$text = mysql2date( $archive_day_date_format, $date );
				if ( $r['show_post_count'] ) {
					$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
				}
				$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
			}
		}
	} elseif ( 'weekly' == $r['type'] ) {
		$week = _wp_mysql_week( '`post_date`' );
		$query = "SELECT DISTINCT $week AS `week`, YEAR( `post_date` ) AS `yr`, DATE_FORMAT( `post_date`, '%Y-%m-%d' ) AS `yyyymmdd`, count( `ID` ) AS `posts` FROM `$wpdb->posts` $join $where GROUP BY $week, YEAR( `post_date` ) ORDER BY `post_date` $order $limit";
		$key = md5( $query );
		$key = "wp_get_archives:$key:$last_changed";
		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
			$results = $wpdb->get_results( $query );
			wp_cache_set( $key, $results, 'posts' );
		}
		$arc_w_last = '';
		if ( $results ) {
			$after = $r['after'];
			foreach ( (array) $results as $result ) {
				if ( $result->week != $arc_w_last ) {
					$arc_year       = $result->yr;
					$arc_w_last     = $result->week;
					$arc_week       = get_weekstartend( $result->yyyymmdd, get_option( 'start_of_week' ) );
					$arc_week_start = date_i18n( $archive_week_start_date_format, $arc_week['start'] );
					$arc_week_end   = date_i18n( $archive_week_end_date_format, $arc_week['end'] );
					$url            = sprintf( '%1$s/%2$s%3$sm%4$s%5$s%6$sw%7$s%8$d', home_url(), '', '?', '=', $arc_year, '&amp;', '=', $result->week );
					$text           = $arc_week_start . $archive_week_separator . $arc_week_end;
					if ( $r['show_post_count'] ) {
						$r['after'] = '&nbsp;(' . $result->posts . ')' . $after;
					}
					$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
				}
			}
		}
	} elseif ( ( 'postbypost' == $r['type'] ) || ('alpha' == $r['type'] ) ) {
		$orderby = ( 'alpha' == $r['type'] ) ? 'post_title ASC ' : 'post_date DESC ';
		$query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit";
		$key = md5( $query );
		$key = "wp_get_archives:$key:$last_changed";
		if ( ! $results = wp_cache_get( $key, 'posts' ) ) {
			$results = $wpdb->get_results( $query );
			wp_cache_set( $key, $results, 'posts' );
		}
		if ( $results ) {
			foreach ( (array) $results as $result ) {
				if ( $result->post_date != '0000-00-00 00:00:00' ) {
					$url = get_permalink( $result );
					if ( $result->post_title ) {
						/** This filter is documented in wp-includes/post-template.php */
						$text = strip_tags( apply_filters( 'the_title', $result->post_title, $result->ID ) );
					} else {
						$text = $result->ID;
					}
					$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );
				}
			}
		}
	}
	if ( $r['echo'] ) {
		echo $output;
	} else {
		return $output;
	}
}

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function wp_get_archives( $args = '' ) {

global $wpdb, $wp_locale;

$defaults = array(

'type' => 'monthly', 'limit' => '',

'format' => 'html', 'before' => '',

'after' => '', 'show_post_count' => false,

'echo' => 1, 'order' => 'DESC',

);

$r = wp_parse_args( $args, $defaults );

if ( '' == $r['type'] ) {

$r['type'] = 'monthly';

}

if ( ! empty( $r['limit'] ) ) {

$r['limit'] = absint( $r['limit'] );

$r['limit'] = ' LIMIT ' . $r['limit'];

}

$order = strtoupper( $r['order'] );

if ( $order !== 'ASC' ) {

$order = 'DESC';

}

// this is what will separate dates on weekly archive links

$archive_week_separator = '–';

// over-ride general date format ? 0 = no: use the date format set in Options, 1 = yes: over-ride

$archive_date_format_over_ride = 0;

// options for daily archive (only if you over-ride the general date format)

$archive_day_date_format = 'Y/m/d';

// options for weekly archive (only if you over-ride the general date format)

$archive_week_start_date_format = 'Y/m/d';

$archive_week_end_date_format = 'Y/m/d';

if ( ! $archive_date_format_over_ride ) {

$archive_day_date_format = get_option( 'date_format' );

$archive_week_start_date_format = get_option( 'date_format' );

$archive_week_end_date_format = get_option( 'date_format' );

}

$where = apply_filters( 'getarchives_where', "WHERE post_type = 'post' AND post_status = 'publish'", $r );

$join = apply_filters( 'getarchives_join', '', $r );

$output = '';

$last_changed = wp_cache_get( 'last_changed', 'posts' );

if ( ! $last_changed ) {

$last_changed = microtime();

wp_cache_set( 'last_changed', $last_changed, 'posts' );

}

$limit = $r['limit'];

if ( 'monthly' == $r['type'] ) {

$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date $order $limit";

$key = md5( $query );

$key = "wp_get_archives:$key:$last_changed";

if ( ! $results = wp_cache_get( $key, 'posts' ) ) {

$results = $wpdb->get_results( $query );

wp_cache_set( $key, $results, 'posts' );

}

if ( $results ) {

$after = $r['after'];

foreach ( (array) $results as $result ) {

$url = get_month_link( $result->year, $result->month );

/* translators: 1: month name, 2: 4-digit year */

$text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $result->month ), $result->year );

if ( $r['show_post_count'] ) {

$r['after'] = ' (' . $result->posts . ')' . $after;

}

$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );

}

} elseif ( 'yearly' == $r['type'] ) {

$query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date $order $limit";

$key = md5( $query );

$key = "wp_get_archives:$key:$last_changed";

if ( ! $results = wp_cache_get( $key, 'posts' ) ) {

$results = $wpdb->get_results( $query );

wp_cache_set( $key, $results, 'posts' );

}

if ( $results ) {

$after = $r['after'];

foreach ( (array) $results as $result) {

$url = get_year_link( $result->year );

$text = sprintf( '%d', $result->year );

if ( $r['show_post_count'] ) {

$r['after'] = ' (' . $result->posts . ')' . $after;

}

$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );

}

} elseif ( 'daily' == $r['type'] ) {

$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date $order $limit";

$key = md5( $query );

$key = "wp_get_archives:$key:$last_changed";

if ( ! $results = wp_cache_get( $key, 'posts' ) ) {

$results = $wpdb->get_results( $query );

$cache[ $key ] = $results;

wp_cache_set( $key, $results, 'posts' );

}

if ( $results ) {

$after = $r['after'];

foreach ( (array) $results as $result ) {

$url = get_day_link( $result->year, $result->month, $result->dayofmonth );

$date = sprintf( '%1$d-%2$02d-%3$02d 00:00:00', $result->year, $result->month, $result->dayofmonth );

$text = mysql2date( $archive_day_date_format, $date );

if ( $r['show_post_count'] ) {

$r['after'] = ' (' . $result->posts . ')' . $after;

}

$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );

}

} elseif ( 'weekly' == $r['type'] ) {

$week = _wp_mysql_week( '`post_date`' );

$query = "SELECT DISTINCT $week AS `week`, YEAR( `post_date` ) AS `yr`, DATE_FORMAT( `post_date`, '%Y-%m-%d' ) AS `yyyymmdd`, count( `ID` ) AS `posts` FROM `$wpdb->posts` $join $where GROUP BY $week, YEAR( `post_date` ) ORDER BY `post_date` $order $limit";

$key = md5( $query );

$key = "wp_get_archives:$key:$last_changed";

if ( ! $results = wp_cache_get( $key, 'posts' ) ) {

$results = $wpdb->get_results( $query );

wp_cache_set( $key, $results, 'posts' );

}

$arc_w_last = '';

if ( $results ) {

$after = $r['after'];

foreach ( (array) $results as $result ) {

if ( $result->week != $arc_w_last ) {

$arc_year = $result->yr;

$arc_w_last = $result->week;

$arc_week = get_weekstartend( $result->yyyymmdd, get_option( 'start_of_week' ) );

$arc_week_start = date_i18n( $archive_week_start_date_format, $arc_week['start'] );

$arc_week_end = date_i18n( $archive_week_end_date_format, $arc_week['end'] );

$url = sprintf( '%1$s/%2$s%3$sm%4$s%5$s%6$sw%7$s%8$d', home_url(), '', '?', '=', $arc_year, '&', '=', $result->week );

$text = $arc_week_start . $archive_week_separator . $arc_week_end;

if ( $r['show_post_count'] ) {

$r['after'] = ' (' . $result->posts . ')' . $after;

}

$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );

}

} elseif ( ( 'postbypost' == $r['type'] ) || ('alpha' == $r['type'] ) ) {

$orderby = ( 'alpha' == $r['type'] ) ? 'post_title ASC ' : 'post_date DESC ';

$query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit";

$key = md5( $query );

$key = "wp_get_archives:$key:$last_changed";

if ( ! $results = wp_cache_get( $key, 'posts' ) ) {

$results = $wpdb->get_results( $query );

wp_cache_set( $key, $results, 'posts' );

}

if ( $results ) {

foreach ( (array) $results as $result ) {

if ( $result->post_date != '0000-00-00 00:00:00' ) {

$url = get_permalink( $result );

if ( $result->post_title ) {

/** This filter is documented in wp-includes/post-template.php */

$text = strip_tags( apply_filters( 'the_title', $result->post_title, $result->ID ) );

} else {

$text = $result->ID;

}

$output .= get_archives_link( $url, $text, $r['format'], $r['before'], $r['after'] );

}

if ( $r['echo'] ) {

echo $output;

} else {

return $output;

}

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関数 wp_get_archives()

関数 wp_get_archives()

定義ファイル :/blog/wp-includes/general-template.php 3

関数　wp_get_archives()

関数　wp_get_archives()