<?php
function the_permalink() {
echo apply_filters('the_permalink', get_permalink());
}
function permalink_link() { // For backwards compatibility
echo apply_filters('the_permalink', get_permalink());
}
/**
* Conditionally adds a trailing slash if the permalink structure
* has a trailing slash, strips the trailing slash if not
* @global object Uses $wp_rewrite
* @param $string string a URL with or without a trailing slash
* @param $type_of_url string the type of URL being considered (e.g. single, category, etc) for use in the filter
* @return string
*/
function user_trailingslashit($string, $type_of_url = '') {
global $wp_rewrite;
if ( $wp_rewrite->use_trailing_slashes )
$string = trailingslashit($string);
else
$string = untrailingslashit($string);
// Note that $type_of_url can be one of following:
// single, single_trackback, single_feed, single_paged, feed, category, page, year, month, day, paged
$string = apply_filters('user_trailingslashit', $string, $type_of_url);
return $string;
}
function permalink_anchor($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);
$category = '';
if (strpos($permalink, '%category%') !== false) {
$cats = get_the_category($post->ID);
if ( $cats )
usort($cats, '_get_the_category_usort_by_ID'); // order by 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,
);
$permalink = get_option('home') . str_replace($rewritecode, $rewritereplace, $permalink);
$permalink = user_trailingslashit($permalink, 'single');
return apply_filters('post_link', $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);
}
// Respects page_on_front. Use this one.
function get_page_link($id = false) {
global $post;
$id = (int) $id;
if ( !$id )
$id = (int) $post->ID;
if ( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') )
$link = get_option('home');
else
$link = _get_page_link( $id );
return apply_filters('page_link', $link, $id);
}
// Ignores page_on_front. Internal use only.
function _get_page_link( $id = false ) {
global $post, $wp_rewrite;
if ( !$id )
$id = (int) $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";
$link = user_trailingslashit($link, 'page');
} else {
$link = get_option('home') . "/?page_id=$id";
}
return apply_filters( '_get_page_link', $link, $id );
}
function get_attachment_link($id = false) {
global $post, $wp_rewrite;
$link = false;
if (! $id) {
$id = (int) $post->ID;
}
$object = get_post($id);
if ( $wp_rewrite->using_permalinks() && ($object->post_parent > 0) && ($object->post_parent != $id) ) {
$parent = get_post($object->post_parent);
if ( 'page' == $parent->post_type )
$parentlink = _get_page_link( $object->post_parent ); // Ignores page_on_front
else
$parentlink = get_permalink( $object->post_parent );
if (strpos($parentlink, '?') === false)
$link = trim($parentlink, '/') . '/' . $object->post_name . '/';
}
if (! $link ) {
$link = get_bloginfo('url') . "/?attachment_id=$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, $yearlink);
return apply_filters('year_link', get_option('home') . user_trailingslashit($yearlink, 'year'), $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), $monthlink);
return apply_filters('month_link', get_option('home') . user_trailingslashit($monthlink, 'month'), $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), $daylink);
return apply_filters('day_link', get_option('home') . user_trailingslashit($daylink, 'day'), $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");
$output = get_option('home') . user_trailingslashit($permalink, 'feed');
} else {
if ( false !== strpos($feed, 'comments_') )
$feed = str_replace('comments_', 'comments-', $feed);
$output = get_option('home') . "/?feed={$feed}";
}
return apply_filters('feed_link', $output, $feed);
}
function get_post_comments_feed_link($post_id = '', $feed = 'rss2') {
global $id;
if ( empty($post_id) )
$post_id = (int) $id;
if ( '' != get_option('permalink_structure') ) {
$url = trailingslashit( get_permalink() ) . 'feed';
if ( 'rss2' != $feed )
$url .= "/$feed";
$url = user_trailingslashit($url, 'single_feed');
} else {
$url = get_option('home') . "/?feed=$feed&p=$id";
}
return apply_filters('post_comments_feed_link', $url);
}
function edit_post_link($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, ',') . ')';
}
$join = apply_filters( 'get_previous_post_join', $join, $in_same_cat, $excluded_categories );
$where = apply_filters( 'get_previous_post_where', "WHERE post_date < '$current_post_date' AND post_type = 'post' AND post_status = 'publish' $posts_in_ex_cats_sql", $in_same_cat, $excluded_categories );
$sort = apply_filters( 'get_previous_post_sort', 'ORDER BY post_date DESC LIMIT 1' );
return @$wpdb->get_row("SELECT ID, post_title FROM $wpdb->posts $join $where $sort");
}
function get_next_post($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, ',') . ')';
}
$join = apply_filters( 'get_next_post_join', $join, $in_same_cat, $excluded_categories );
$where = apply_filters( 'get_next_post_where', "WHERE post_date > '$current_post_date' AND post_type = 'post' AND post_status = 'publish' $posts_in_ex_cats_sql AND ID != $post->ID", $in_same_cat, $excluded_categories );
$sort = apply_filters( 'get_next_post_sort', 'ORDER BY post_date ASC LIMIT 1' );
return @$wpdb->get_row("SELECT ID, post_title FROM $wpdb->posts $join $where $sort");
}
function previous_post_link($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 = $_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 ( stripos( $qstr, $page_querystring ) !== false ) {
$replacement = "$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 ( stripos( $qstr, '?' ) !== false ) {
// 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 )
$qstr = user_trailingslashit($qstr, 'paged');
// showing /page/1/ or ?paged=1 is redundant
if ( 1 === $pagenum ) {
$qstr = str_replace(user_trailingslashit('index.php/page/1', 'paged'), '', $qstr); // for PATHINFO style
$qstr = str_replace(user_trailingslashit('page/1', 'paged'), '', $qstr); // for mod_rewrite style
$qstr = remove_query_arg('paged', $qstr); // for query style
}
$qstr = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', trailingslashit( get_option('home') ) . $qstr );
return $qstr;
}
function get_next_posts_page_link($max_page = 0) {
global $paged, $pagenow;
if ( !is_single() ) {
if ( !$paged )
$paged = 1;
$nextpage = intval($paged) + 1;
if ( !$max_page || $max_page >= $nextpage )
return get_pagenum_link($nextpage);
}
}
function next_posts($max_page = 0) {
echo clean_url(get_next_posts_page_link($max_page));
}
function next_posts_link($label='Next Page »', $max_page=0) {
global $paged, $wpdb, $wp_query;
if ( !$max_page ) {
$max_page = $wp_query->max_num_pages;
}
if ( !$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 get_previous_posts_page_link() {
global $paged, $pagenow;
if ( !is_single() ) {
$nextpage = intval($paged) - 1;
if ( $nextpage < 1 )
$nextpage = 1;
return get_pagenum_link($nextpage);
}
}
function previous_posts() {
echo clean_url(get_previous_posts_page_link());
}
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 $wp_query;
if ( !is_singular() ) {
$max_num_pages = $wp_query->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);
}
}
}
?>