Viewing file:  template-functions-links.php (15.46 KB) -rw-rw-rw-
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<?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 ( $post->post_status == 'static' )
return get_page_link($post->ID);
elseif ($post->post_status == 'attachment')
return get_attachment_link($post->ID);
$permalink = get_settings('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;
$rewritereplace =
array(
date('Y', $unixtime),
date('m', $unixtime),
date('d', $unixtime),
date('H', $unixtime),
date('i', $unixtime),
date('s', $unixtime),
$post->post_name,
$post->ID,
$category,
$author,
$post->post_name,
);
return apply_filters('post_link', get_settings('home') . str_replace($rewritecode, $rewritereplace, $permalink), $post);
} else { // if they're not using the fancy permalink option
$permalink = get_settings('home') . '/?p=' . $post->ID;
return apply_filters('post_link', $permalink, $post);
}
}
function get_page_link($id = false) {
global $post, $wp_rewrite;
if ( !$id )
$id = $post->ID;
$pagestruct = $wp_rewrite->get_page_permastruct();
if ( '' != $pagestruct ) {
$link = get_page_uri($id);
$link = str_replace('%pagename%', $link, $pagestruct);
$link = get_settings('home') . "/$link/";
} else {
$link = get_settings('home') . "/?page_id=$id";
}
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_settings('gmt_offset') * 3600));
$yearlink = $wp_rewrite->get_year_permastruct();
if ( !empty($yearlink) ) {
$yearlink = str_replace('%year%', $year, $yearlink);
return apply_filters('year_link', get_settings('home') . trailingslashit($yearlink), $year);
} else {
return apply_filters('year_link', get_settings('home') . '/?m=' . $year, $year);
}
}
function get_month_link($year, $month) {
global $wp_rewrite;
if ( !$year )
$year = gmdate('Y', time()+(get_settings('gmt_offset') * 3600));
if ( !$month )
$month = gmdate('m', time()+(get_settings('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), $monthlink);
return apply_filters('month_link', get_settings('home') . trailingslashit($monthlink), $year, $month);
} else {
return apply_filters('month_link', get_settings('home') . '/?m=' . $year . zeroise($month, 2), $year, $month);
}
}
function get_day_link($year, $month, $day) {
global $wp_rewrite;
if ( !$year )
$year = gmdate('Y', time()+(get_settings('gmt_offset') * 3600));
if ( !$month )
$month = gmdate('m', time()+(get_settings('gmt_offset') * 3600));
if ( !$day )
$day = gmdate('j', time()+(get_settings('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), $daylink);
return apply_filters('day_link', get_settings('home') . trailingslashit($daylink), $year, $month, $day);
} else {
return apply_filters('day_link', get_settings('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_settings('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_settings('home') . $permalink;
} else {
if ( false !== strpos($feed, 'comments_') )
$feed = str_replace('comments_', 'comments-', $feed);
$output = get_settings('home') . "/?feed={$feed}";
}
return apply_filters('feed_link', $output, $feed);
}
function edit_post_link($link = 'Edit This', $before = '', $after = '') {
global $user_ID, $post;
get_currentuserinfo();
if ( !user_can_edit_post($user_ID, $post->ID) ) {
return;
}
if ( is_attachment() )
return;
else
$file = 'post';
$location = get_settings('siteurl') . "/wp-admin/{$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 $user_ID, $post, $comment;
get_currentuserinfo();
if ( !user_can_edit_post_comments($user_ID, $post->ID) )
return;
$location = get_settings('siteurl') . "/wp-admin/post.php?action=editcomment&comment=$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_exclude_cats .= " AND post_category != $category";
}
}
return @$wpdb->get_row("SELECT ID, post_title FROM $wpdb->posts $join WHERE post_date < '$current_post_date' AND post_status = 'publish' $sqlcat $sql_exclude_cats ORDER BY post_date DESC LIMIT 1");
}
function get_next_post($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_exclude_cats .= " AND post_category != $category";
}
}
$now = current_time('mysql');
return @$wpdb->get_row("SELECT ID,post_title FROM $wpdb->posts $join WHERE post_date > '$current_post_date' AND post_date < '$now' AND post_status = 'publish' $sqlcat $sql_exclude_cats 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 $format;
}
// Deprecated. Use previous_post_link().
function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {
if ( empty($in_same_cat) || 'no' == $in_same_cat )
$in_same_cat = false;
else
$in_same_cat = true;
$post = get_previous_post($in_same_cat, $excluded_categories);
if ( !$post )
return;
$string = '<a href="'.get_permalink($post->ID).'">'.$previous;
if ( 'yes' == $title )
$string .= apply_filters('the_title', $post->post_title, $post);
$string .= '</a>';
$format = str_replace('%', $string, $format);
echo $format;
}
// Deprecated. Use next_post_link().
function next_post($format='%', $next='next post: ', $title='yes', $in_same_cat='no', $limitnext=1, $excluded_categories='') {
if ( empty($in_same_cat) || 'no' == $in_same_cat )
$in_same_cat = false;
else
$in_same_cat = true;
$post = get_next_post($in_same_cat, $excluded_categories);
if ( !$post )
return;
$string = '<a href="'.get_permalink($post->ID).'">'.$next;
if ( 'yes' == $title )
$string .= apply_filters('the_title', $post->post_title, $nextpost);
$string .= '</a>';
$format = str_replace('%', $string, $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_settings('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_settings('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 . "/*#", '/', $qstr);
} else {
// If using path info style permalinks, make sure the index is in
// the URI.
if ( strpos($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_settings('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, $result, $request, $posts_per_page, $wpdb, $max_num_pages;
if ( !$max_page ) {
if ( isset($max_num_pages) ) {
$max_page = $max_num_pages;
} else {
preg_match('#FROM\s(.*)\sGROUP BY#siU', $request, $matches);
$fromwhere = $matches[1];
$numposts = $wpdb->get_var("SELECT COUNT(DISTINCT ID) FROM $fromwhere");
$max_page = $max_num_pages = ceil($numposts / $posts_per_page);
}
}
if ( !$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', $label) .'</a>';
}
}
function posts_nav_link($sep=' — ', $prelabel='« Previous Page', $nxtlabel='Next Page »') {
global $request, $posts_per_page, $wpdb, $max_num_pages;
if ( !is_single() ) {
if ( 'posts' == get_query_var('what_to_show') ) {
if ( !isset($max_num_pages) ) {
preg_match('#FROM\s(.*)\sGROUP BY#siU', $request, $matches);
$fromwhere = $matches[1];
$numposts = $wpdb->get_var("SELECT COUNT(DISTINCT ID) FROM $fromwhere");
$max_num_pages = ceil($numposts / $posts_per_page);
}
} else {
$max_num_pages = 999999;
}
if ( $max_num_pages > 1 ) {
previous_posts_link($prelabel);
echo preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $sep);
next_posts_link($nxtlabel, $max_page);
}
}
}
?>
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