mirror of
https://github.com/WordPress/WordPress.git
synced 2024-12-23 01:27:36 +01:00
19942073ea
git-svn-id: http://svn.automattic.com/wordpress/trunk@4455 1a063a9b-81f0-0310-95a4-ce76da25c4cd
516 lines
15 KiB
PHP
516 lines
15 KiB
PHP
<?php
|
|
|
|
|
|
function the_permalink() {
|
|
echo apply_filters('the_permalink', get_permalink());
|
|
}
|
|
|
|
|
|
function permalink_link() { // For backwards compatibility
|
|
echo apply_filters('the_permalink', get_permalink());
|
|
}
|
|
|
|
|
|
function permalink_anchor($mode = 'id') {
|
|
global $post;
|
|
switch ( strtolower($mode) ) {
|
|
case 'title':
|
|
$title = sanitize_title($post->post_title) . '-' . $id;
|
|
echo '<a id="'.$title.'"></a>';
|
|
break;
|
|
case 'id':
|
|
default:
|
|
echo '<a id="post-' . $post->ID . '"></a>';
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
function get_permalink($id = 0) {
|
|
$rewritecode = array(
|
|
'%year%',
|
|
'%monthnum%',
|
|
'%day%',
|
|
'%hour%',
|
|
'%minute%',
|
|
'%second%',
|
|
'%postname%',
|
|
'%post_id%',
|
|
'%category%',
|
|
'%author%',
|
|
'%pagename%'
|
|
);
|
|
|
|
$post = &get_post($id);
|
|
if ( $post->post_type == 'page' )
|
|
return get_page_link($post->ID);
|
|
elseif ($post->post_type == 'attachment')
|
|
return get_attachment_link($post->ID);
|
|
|
|
$permalink = get_option('permalink_structure');
|
|
|
|
if ( '' != $permalink && 'draft' != $post->post_status ) {
|
|
$unixtime = strtotime($post->post_date);
|
|
|
|
$category = '';
|
|
if ( strstr($permalink, '%category%') ) {
|
|
$cats = get_the_category($post->ID);
|
|
$category = $cats[0]->category_nicename;
|
|
if ( $parent=$cats[0]->category_parent )
|
|
$category = get_category_parents($parent, FALSE, '/', TRUE) . $category;
|
|
}
|
|
|
|
$authordata = get_userdata($post->post_author);
|
|
$author = $authordata->user_nicename;
|
|
$date = explode(" ",date('Y m d H i s', $unixtime));
|
|
$rewritereplace =
|
|
array(
|
|
$date[0],
|
|
$date[1],
|
|
$date[2],
|
|
$date[3],
|
|
$date[4],
|
|
$date[5],
|
|
$post->post_name,
|
|
$post->ID,
|
|
$category,
|
|
$author,
|
|
$post->post_name,
|
|
);
|
|
return apply_filters('post_link', get_option('home') . str_replace($rewritecode, $rewritereplace, $permalink), $post);
|
|
} else { // if they're not using the fancy permalink option
|
|
$permalink = get_option('home') . '/?p=' . $post->ID;
|
|
return apply_filters('post_link', $permalink, $post);
|
|
}
|
|
}
|
|
|
|
// get permalink from post ID
|
|
function post_permalink($post_id = 0, $mode = '') { // $mode legacy
|
|
return get_permalink($post_id);
|
|
}
|
|
|
|
function get_page_link($id = false) {
|
|
global $post, $wp_rewrite;
|
|
|
|
if ( !$id )
|
|
$id = $post->ID;
|
|
|
|
$pagestruct = $wp_rewrite->get_page_permastruct();
|
|
|
|
if ( '' != $pagestruct && 'draft' != $post->post_status ) {
|
|
$link = get_page_uri($id);
|
|
$link = str_replace('%pagename%', $link, $pagestruct);
|
|
$link = get_option('home') . "/$link/";
|
|
} else {
|
|
$link = get_option('home') . "/?page_id=$id";
|
|
}
|
|
|
|
if ( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') )
|
|
$link = get_option('home');
|
|
|
|
return apply_filters('page_link', $link, $id);
|
|
}
|
|
|
|
function get_attachment_link($id = false) {
|
|
global $post, $wp_rewrite;
|
|
|
|
$link = false;
|
|
|
|
if (! $id) {
|
|
$id = $post->ID;
|
|
}
|
|
|
|
$object = get_post($id);
|
|
if ( $wp_rewrite->using_permalinks() && ($object->post_parent > 0) ) {
|
|
$parent = get_post($object->post_parent);
|
|
$parentlink = get_permalink($object->post_parent);
|
|
if (! strstr($parentlink, '?') )
|
|
$link = trim($parentlink, '/') . '/' . $object->post_name . '/';
|
|
}
|
|
|
|
if (! $link ) {
|
|
$link = get_bloginfo('home') . "/?attachment_id=$id";
|
|
}
|
|
|
|
return apply_filters('attachment_link', $link, $id);
|
|
}
|
|
|
|
function get_year_link($year) {
|
|
global $wp_rewrite;
|
|
if ( !$year )
|
|
$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
|
|
$yearlink = $wp_rewrite->get_year_permastruct();
|
|
if ( !empty($yearlink) ) {
|
|
$yearlink = str_replace('%year%', $year, $yearlink);
|
|
return apply_filters('year_link', get_option('home') . trailingslashit($yearlink), $year);
|
|
} else {
|
|
return apply_filters('year_link', get_option('home') . '/?m=' . $year, $year);
|
|
}
|
|
}
|
|
|
|
function get_month_link($year, $month) {
|
|
global $wp_rewrite;
|
|
if ( !$year )
|
|
$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
|
|
if ( !$month )
|
|
$month = gmdate('m', time()+(get_option('gmt_offset') * 3600));
|
|
$monthlink = $wp_rewrite->get_month_permastruct();
|
|
if ( !empty($monthlink) ) {
|
|
$monthlink = str_replace('%year%', $year, $monthlink);
|
|
$monthlink = str_replace('%monthnum%', zeroise(intval($month), 2), $monthlink);
|
|
return apply_filters('month_link', get_option('home') . trailingslashit($monthlink), $year, $month);
|
|
} else {
|
|
return apply_filters('month_link', get_option('home') . '/?m=' . $year . zeroise($month, 2), $year, $month);
|
|
}
|
|
}
|
|
|
|
function get_day_link($year, $month, $day) {
|
|
global $wp_rewrite;
|
|
if ( !$year )
|
|
$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
|
|
if ( !$month )
|
|
$month = gmdate('m', time()+(get_option('gmt_offset') * 3600));
|
|
if ( !$day )
|
|
$day = gmdate('j', time()+(get_option('gmt_offset') * 3600));
|
|
|
|
$daylink = $wp_rewrite->get_day_permastruct();
|
|
if ( !empty($daylink) ) {
|
|
$daylink = str_replace('%year%', $year, $daylink);
|
|
$daylink = str_replace('%monthnum%', zeroise(intval($month), 2), $daylink);
|
|
$daylink = str_replace('%day%', zeroise(intval($day), 2), $daylink);
|
|
return apply_filters('day_link', get_option('home') . trailingslashit($daylink), $year, $month, $day);
|
|
} else {
|
|
return apply_filters('day_link', get_option('home') . '/?m=' . $year . zeroise($month, 2) . zeroise($day, 2), $year, $month, $day);
|
|
}
|
|
}
|
|
|
|
function get_feed_link($feed='rss2') {
|
|
global $wp_rewrite;
|
|
$do_perma = 0;
|
|
$feed_url = get_option('siteurl');
|
|
$comment_feed_url = $feed_url;
|
|
|
|
$permalink = $wp_rewrite->get_feed_permastruct();
|
|
if ( '' != $permalink ) {
|
|
if ( false !== strpos($feed, 'comments_') ) {
|
|
$feed = str_replace('comments_', '', $feed);
|
|
$permalink = $wp_rewrite->get_comment_feed_permastruct();
|
|
}
|
|
|
|
if ( 'rss2' == $feed )
|
|
$feed = '';
|
|
|
|
$permalink = str_replace('%feed%', $feed, $permalink);
|
|
$permalink = preg_replace('#/+#', '/', "/$permalink/");
|
|
$output = get_option('home') . $permalink;
|
|
} else {
|
|
if ( false !== strpos($feed, 'comments_') )
|
|
$feed = str_replace('comments_', 'comments-', $feed);
|
|
|
|
$output = get_option('home') . "/?feed={$feed}";
|
|
}
|
|
|
|
return apply_filters('feed_link', $output, $feed);
|
|
}
|
|
|
|
function edit_post_link($link = 'Edit This', $before = '', $after = '') {
|
|
global $post;
|
|
|
|
if ( is_attachment() )
|
|
return;
|
|
|
|
if( $post->post_type == 'page' ) {
|
|
if ( ! current_user_can('edit_page', $post->ID) )
|
|
return;
|
|
$file = 'page';
|
|
} else {
|
|
if ( ! current_user_can('edit_post', $post->ID) )
|
|
return;
|
|
$file = 'post';
|
|
}
|
|
|
|
$location = get_option('siteurl') . "/wp-admin/{$file}.php?action=edit&post=$post->ID";
|
|
echo $before . "<a href=\"$location\">$link</a>" . $after;
|
|
}
|
|
|
|
function edit_comment_link($link = 'Edit This', $before = '', $after = '') {
|
|
global $post, $comment;
|
|
|
|
if( $post->post_type == 'page' ){
|
|
if ( ! current_user_can('edit_page', $post->ID) )
|
|
return;
|
|
} else {
|
|
if ( ! current_user_can('edit_post', $post->ID) )
|
|
return;
|
|
}
|
|
|
|
$location = get_option('siteurl') . "/wp-admin/comment.php?action=editcomment&c=$comment->comment_ID";
|
|
echo $before . "<a href='$location'>$link</a>" . $after;
|
|
}
|
|
|
|
// Navigation links
|
|
|
|
function get_previous_post($in_same_cat = false, $excluded_categories = '') {
|
|
global $post, $wpdb;
|
|
|
|
if( !is_single() || is_attachment() )
|
|
return null;
|
|
|
|
$current_post_date = $post->post_date;
|
|
|
|
$join = '';
|
|
if ( $in_same_cat ) {
|
|
$join = " INNER JOIN $wpdb->post2cat ON $wpdb->posts.ID= $wpdb->post2cat.post_id ";
|
|
$cat_array = get_the_category($post->ID);
|
|
$join .= ' AND (category_id = ' . intval($cat_array[0]->cat_ID);
|
|
for ( $i = 1; $i < (count($cat_array)); $i++ ) {
|
|
$join .= ' OR category_id = ' . intval($cat_array[$i]->cat_ID);
|
|
}
|
|
$join .= ')';
|
|
}
|
|
|
|
$sql_exclude_cats = '';
|
|
if ( !empty($excluded_categories) ) {
|
|
$blah = explode(' and ', $excluded_categories);
|
|
foreach ( $blah as $category ) {
|
|
$category = intval($category);
|
|
$sql_cat_ids = " OR pc.category_ID = '$category'";
|
|
}
|
|
$posts_in_ex_cats = $wpdb->get_col("SELECT p.ID FROM $wpdb->posts p LEFT JOIN $wpdb->post2cat pc ON pc.post_id=p.ID WHERE 1 = 0 $sql_cat_ids GROUP BY p.ID");
|
|
$posts_in_ex_cats_sql = 'AND ID NOT IN (' . implode($posts_in_ex_cats, ',') . ')';
|
|
}
|
|
|
|
return @$wpdb->get_row("SELECT ID, post_title FROM $wpdb->posts $join WHERE post_date < '$current_post_date' AND post_type = 'post' AND post_status = 'publish' $posts_in_ex_cats_sql ORDER BY post_date DESC LIMIT 1");
|
|
}
|
|
|
|
function get_next_post($in_same_cat = false, $excluded_categories = '') {
|
|
global $post, $wpdb;
|
|
|
|
if( !is_single() || is_attachment() )
|
|
return null;
|
|
|
|
$current_post_date = $post->post_date;
|
|
|
|
$join = '';
|
|
if ( $in_same_cat ) {
|
|
$join = " INNER JOIN $wpdb->post2cat ON $wpdb->posts.ID= $wpdb->post2cat.post_id ";
|
|
$cat_array = get_the_category($post->ID);
|
|
$join .= ' AND (category_id = ' . intval($cat_array[0]->cat_ID);
|
|
for ( $i = 1; $i < (count($cat_array)); $i++ ) {
|
|
$join .= ' OR category_id = ' . intval($cat_array[$i]->cat_ID);
|
|
}
|
|
$join .= ')';
|
|
}
|
|
|
|
$sql_exclude_cats = '';
|
|
if ( !empty($excluded_categories) ) {
|
|
$blah = explode(' and ', $excluded_categories);
|
|
foreach ( $blah as $category ) {
|
|
$category = intval($category);
|
|
$sql_cat_ids = " OR pc.category_ID = '$category'";
|
|
}
|
|
$posts_in_ex_cats = $wpdb->get_col("SELECT p.ID from $wpdb->posts p LEFT JOIN $wpdb->post2cat pc ON pc.post_id = p.ID WHERE 1 = 0 $sql_cat_ids GROUP BY p.ID");
|
|
$posts_in_ex_cats_sql = 'AND ID NOT IN (' . implode($posts_in_ex_cats, ',') . ')';
|
|
}
|
|
|
|
return @$wpdb->get_row("SELECT ID,post_title FROM $wpdb->posts $join WHERE post_date > '$current_post_date' AND post_type = 'post' AND post_status = 'publish' $posts_in_ex_cats_sql AND ID != $post->ID ORDER BY post_date ASC LIMIT 1");
|
|
}
|
|
|
|
|
|
function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
|
|
|
|
if ( is_attachment() )
|
|
$post = & get_post($GLOBALS['post']->post_parent);
|
|
else
|
|
$post = get_previous_post($in_same_cat, $excluded_categories);
|
|
|
|
if ( !$post )
|
|
return;
|
|
|
|
$title = apply_filters('the_title', $post->post_title, $post);
|
|
$string = '<a href="'.get_permalink($post->ID).'">';
|
|
$link = str_replace('%title', $title, $link);
|
|
$link = $pre . $string . $link . '</a>';
|
|
|
|
$format = str_replace('%link', $link, $format);
|
|
|
|
echo $format;
|
|
}
|
|
|
|
function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') {
|
|
$post = get_next_post($in_same_cat, $excluded_categories);
|
|
|
|
if ( !$post )
|
|
return;
|
|
|
|
$title = apply_filters('the_title', $post->post_title, $post);
|
|
$string = '<a href="'.get_permalink($post->ID).'">';
|
|
$link = str_replace('%title', $title, $link);
|
|
$link = $string . $link . '</a>';
|
|
$format = str_replace('%link', $link, $format);
|
|
|
|
echo $format;
|
|
}
|
|
|
|
function get_pagenum_link($pagenum = 1) {
|
|
global $wp_rewrite;
|
|
|
|
$qstr = wp_specialchars($_SERVER['REQUEST_URI']);
|
|
|
|
$page_querystring = "paged";
|
|
$page_modstring = "page/";
|
|
$page_modregex = "page/?";
|
|
$permalink = 0;
|
|
|
|
$home_root = parse_url(get_option('home'));
|
|
$home_root = $home_root['path'];
|
|
$home_root = trailingslashit($home_root);
|
|
$qstr = preg_replace('|^'. $home_root . '|', '', $qstr);
|
|
$qstr = preg_replace('|^/+|', '', $qstr);
|
|
|
|
$index = $_SERVER['PHP_SELF'];
|
|
$index = preg_replace('|^'. $home_root . '|', '', $index);
|
|
$index = preg_replace('|^/+|', '', $index);
|
|
|
|
// if we already have a QUERY style page string
|
|
if ( stristr( $qstr, $page_querystring ) ) {
|
|
$replacement = "$page_querystring=$pagenum";
|
|
$qstr = preg_replace("/".$page_querystring."[^\d]+\d+/", $replacement, $qstr);
|
|
// if we already have a mod_rewrite style page string
|
|
} elseif ( preg_match( '|'.$page_modregex.'\d+|', $qstr ) ) {
|
|
$permalink = 1;
|
|
$qstr = preg_replace('|'.$page_modregex.'\d+|',"$page_modstring$pagenum",$qstr);
|
|
|
|
// if we don't have a page string at all ...
|
|
// lets see what sort of URL we have...
|
|
} else {
|
|
// we need to know the way queries are being written
|
|
// if there's a querystring_start (a "?" usually), it's definitely not mod_rewritten
|
|
if ( stristr( $qstr, '?' ) ) {
|
|
// so append the query string (using &, since we already have ?)
|
|
$qstr .= '&' . $page_querystring . '=' . $pagenum;
|
|
// otherwise, it could be rewritten, OR just the default index ...
|
|
} elseif( '' != get_option('permalink_structure') && ! is_admin() ) {
|
|
$permalink = 1;
|
|
$index = $wp_rewrite->index;
|
|
// If it's not a path info permalink structure, trim the index.
|
|
if ( !$wp_rewrite->using_index_permalinks() ) {
|
|
$qstr = preg_replace("#/*" . $index . "/*#", '/', $qstr);
|
|
} else {
|
|
// If using path info style permalinks, make sure the index is in
|
|
// the URL.
|
|
if ( strpos($qstr, $index) === false )
|
|
$qstr = '/' . $index . $qstr;
|
|
}
|
|
|
|
$qstr = trailingslashit($qstr) . $page_modstring . $pagenum;
|
|
} else {
|
|
$qstr = $index . '?' . $page_querystring . '=' . $pagenum;
|
|
}
|
|
}
|
|
|
|
$qstr = preg_replace('|^/+|', '', $qstr);
|
|
if ( $permalink )
|
|
$qstr = trailingslashit($qstr);
|
|
$qstr = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', trailingslashit( get_option('home') ) . $qstr );
|
|
|
|
// showing /page/1/ or ?paged=1 is redundant
|
|
if ( 1 === $pagenum ) {
|
|
$qstr = str_replace('page/1/', '', $qstr); // for mod_rewrite style
|
|
$qstr = remove_query_arg('paged', $qstr); // for query style
|
|
}
|
|
return $qstr;
|
|
}
|
|
|
|
function next_posts($max_page = 0) { // original by cfactor at cooltux.org
|
|
global $paged, $pagenow;
|
|
|
|
if ( !is_single() ) {
|
|
if ( !$paged )
|
|
$paged = 1;
|
|
$nextpage = intval($paged) + 1;
|
|
if ( !$max_page || $max_page >= $nextpage )
|
|
echo get_pagenum_link($nextpage);
|
|
}
|
|
}
|
|
|
|
function next_posts_link($label='Next Page »', $max_page=0) {
|
|
global $paged, $wpdb;
|
|
if ( !$max_page ) {
|
|
$max_page = _max_num_pages();
|
|
}
|
|
if ( !$paged )
|
|
$paged = 1;
|
|
$nextpage = intval($paged) + 1;
|
|
if ( (! is_single()) && (empty($paged) || $nextpage <= $max_page) ) {
|
|
echo '<a href="';
|
|
next_posts($max_page);
|
|
echo '">'. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'</a>';
|
|
}
|
|
}
|
|
|
|
|
|
function previous_posts() { // original by cfactor at cooltux.org
|
|
global $paged, $pagenow;
|
|
|
|
if ( !is_single() ) {
|
|
$nextpage = intval($paged) - 1;
|
|
if ( $nextpage < 1 )
|
|
$nextpage = 1;
|
|
echo get_pagenum_link($nextpage);
|
|
}
|
|
}
|
|
|
|
|
|
function previous_posts_link($label='« Previous Page') {
|
|
global $paged;
|
|
if ( (!is_single()) && ($paged > 1) ) {
|
|
echo '<a href="';
|
|
previous_posts();
|
|
echo '">'. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'</a>';
|
|
}
|
|
}
|
|
|
|
function _max_num_pages() {
|
|
global $max_num_pages;
|
|
global $wpdb, $wp_query;
|
|
|
|
if (isset($max_num_pages)) return $max_num_pages;
|
|
$posts_per = get_query_var('posts_per_page');
|
|
if ( empty($posts_per) ) $posts_per = 1;
|
|
|
|
if ( 'posts' == get_query_var('what_to_show') ) {
|
|
preg_match('#FROM\s(.*)\sORDER BY#siU', $wp_query->request, $matches);
|
|
$fromwhere = $matches[1];
|
|
$numposts = $wpdb->get_var("SELECT COUNT(DISTINCT $wpdb->posts.ID) FROM $fromwhere");
|
|
$max_num_pages = ceil($numposts / $posts_per);
|
|
} else {
|
|
preg_match('#FROM\s(.*)\sORDER BY#siU', $wp_query->request, $matches);
|
|
$fromwhere = preg_replace('/( AND )?post_date >= (\'|\")(.*?)(\'|\")( AND post_date <= (\'\")(.*?)(\'\"))?/siU', '', $matches[1]);
|
|
$num_days = $wpdb->query("SELECT DISTINCT post_date FROM $fromwhere GROUP BY year(post_date), month(post_date), dayofmonth(post_date)");
|
|
$max_num_pages = ceil($num_days / $posts_per);
|
|
}
|
|
|
|
return $max_num_pages;
|
|
}
|
|
|
|
function posts_nav_link($sep=' — ', $prelabel='« Previous Page', $nxtlabel='Next Page »') {
|
|
if ( !is_single() ) {
|
|
$max_num_pages = _max_num_pages();
|
|
$paged = get_query_var('paged');
|
|
|
|
//only have sep if there's both prev and next results
|
|
if ($paged < 2 || $paged >= $max_num_pages) {
|
|
$sep = '';
|
|
}
|
|
|
|
if ( $max_num_pages > 1 ) {
|
|
previous_posts_link($prelabel);
|
|
echo preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $sep);
|
|
next_posts_link($nxtlabel);
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|