mirror of
https://github.com/WordPress/WordPress.git
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e58da70252
git-svn-id: http://svn.automattic.com/wordpress/trunk@2803 1a063a9b-81f0-0310-95a4-ce76da25c4cd
499 lines
15 KiB
PHP
499 lines
15 KiB
PHP
<?php
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function the_permalink() {
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echo apply_filters('the_permalink', get_permalink());
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}
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function permalink_link() { // For backwards compatibility
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echo apply_filters('the_permalink', get_permalink());
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}
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function permalink_anchor($mode = 'id') {
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global $id, $post;
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switch(strtolower($mode)) {
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case 'title':
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$title = sanitize_title($post->post_title) . '-' . $id;
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echo '<a id="'.$title.'"></a>';
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break;
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case 'id':
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default:
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echo '<a id="post-'.$id.'"></a>';
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break;
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}
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}
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function get_permalink($id = 0) {
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$rewritecode = array(
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'%year%',
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'%monthnum%',
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'%day%',
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'%hour%',
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'%minute%',
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'%second%',
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'%postname%',
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'%post_id%',
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'%category%',
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'%author%',
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'%pagename%'
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);
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$post = & get_post($id);
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if ($post->post_status == 'static') {
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return get_page_link($post->ID);
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}
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$permalink = get_settings('permalink_structure');
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if ('' != $permalink && 'draft' != $post->post_status) {
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$unixtime = strtotime($post->post_date);
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$category = '';
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if (strstr($permalink, '%category%')) {
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$cats = get_the_category($post->ID);
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$category = $cats[0]->category_nicename;
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if ($parent=$cats[0]->category_parent) $category = get_category_parents($parent, FALSE, '/', TRUE) . $category;
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}
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$authordata = get_userdata($post->post_author);
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$author = $authordata->user_nicename;
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$rewritereplace =
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array(
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date('Y', $unixtime),
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date('m', $unixtime),
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date('d', $unixtime),
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date('H', $unixtime),
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date('i', $unixtime),
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date('s', $unixtime),
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$post->post_name,
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$post->ID,
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$category,
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$author,
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$post->post_name,
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);
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return apply_filters('post_link', get_settings('home') . str_replace($rewritecode, $rewritereplace, $permalink), $post);
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} else { // if they're not using the fancy permalink option
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$permalink = get_settings('home') . '/?p=' . $post->ID;
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return apply_filters('post_link', $permalink, $post);
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}
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}
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function get_page_link($id = false) {
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global $post, $wp_rewrite;
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if (! $id) {
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$id = $post->ID;
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}
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$pagestruct = $wp_rewrite->get_page_permastruct();
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if ('' != $pagestruct) {
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$link = get_page_uri($id);
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$link = str_replace('%pagename%', $link, $pagestruct);
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$link = get_settings('home') . "/$link/";
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} else {
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$link = get_settings('home') . "/?page_id=$id";
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}
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return apply_filters('page_link', $link, $id);
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}
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function get_year_link($year) {
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global $wp_rewrite;
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if (!$year) $year = gmdate('Y', time()+(get_settings('gmt_offset') * 3600));
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$yearlink = $wp_rewrite->get_year_permastruct();
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if (!empty($yearlink)) {
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$yearlink = str_replace('%year%', $year, $yearlink);
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return apply_filters('year_link', get_settings('home') . trailingslashit($yearlink), $year);
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} else {
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return apply_filters('year_link', get_settings('home') . '/?m=' . $year, $year);
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}
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}
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function get_month_link($year, $month) {
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global $wp_rewrite;
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if (!$year) $year = gmdate('Y', time()+(get_settings('gmt_offset') * 3600));
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if (!$month) $month = gmdate('m', time()+(get_settings('gmt_offset') * 3600));
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$monthlink = $wp_rewrite->get_month_permastruct();
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if (!empty($monthlink)) {
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$monthlink = str_replace('%year%', $year, $monthlink);
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$monthlink = str_replace('%monthnum%', zeroise(intval($month), 2), $monthlink);
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return apply_filters('month_link', get_settings('home') . trailingslashit($monthlink), $year, $month);
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} else {
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return apply_filters('month_link', get_settings('home') . '/?m=' . $year . zeroise($month, 2), $year, $month);
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}
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}
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function get_day_link($year, $month, $day) {
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global $wp_rewrite;
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if (!$year) $year = gmdate('Y', time()+(get_settings('gmt_offset') * 3600));
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if (!$month) $month = gmdate('m', time()+(get_settings('gmt_offset') * 3600));
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if (!$day) $day = gmdate('j', time()+(get_settings('gmt_offset') * 3600));
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$daylink = $wp_rewrite->get_day_permastruct();
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if (!empty($daylink)) {
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$daylink = str_replace('%year%', $year, $daylink);
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$daylink = str_replace('%monthnum%', zeroise(intval($month), 2), $daylink);
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$daylink = str_replace('%day%', zeroise(intval($day), 2), $daylink);
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return apply_filters('day_link', get_settings('home') . trailingslashit($daylink), $year, $month, $day);
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} else {
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return apply_filters('day_link', get_settings('home') . '/?m=' . $year . zeroise($month, 2) . zeroise($day, 2), $year, $month, $day);
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}
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}
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function get_feed_link($feed='rss2') {
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global $wp_rewrite;
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$do_perma = 0;
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$feed_url = get_settings('siteurl');
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$comment_feed_url = $feed_url;
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$permalink = $wp_rewrite->get_feed_permastruct();
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if ('' != $permalink) {
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if ( false !== strpos($feed, 'comments_') ) {
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$feed = str_replace('comments_', '', $feed);
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$permalink = $wp_rewrite->get_comment_feed_permastruct();
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}
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if ( 'rss2' == $feed )
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$feed = '';
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$permalink = str_replace('%feed%', $feed, $permalink);
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$permalink = preg_replace('#/+#', '/', "/$permalink/");
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$output = get_settings('home') . $permalink;
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} else {
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if ( false !== strpos($feed, 'comments_') )
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$feed = str_replace('comments_', 'comments-', $feed);
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$output = get_settings('home') . "/?feed={$feed}";
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}
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return apply_filters('feed_link', $output, $feed);
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}
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function edit_post_link($link = 'Edit This', $before = '', $after = '') {
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global $user_ID, $post;
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get_currentuserinfo();
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if (!user_can_edit_post($user_ID, $post->ID)) {
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return;
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}
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$location = get_settings('siteurl') . "/wp-admin/post.php?action=edit&post=$post->ID";
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echo "$before <a href=\"$location\">$link</a> $after";
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}
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function edit_comment_link($link = 'Edit This', $before = '', $after = '') {
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global $user_ID, $post, $comment;
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get_currentuserinfo();
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if (!user_can_edit_post_comments($user_ID, $post->ID)) {
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return;
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}
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$location = get_settings('siteurl') . "/wp-admin/post.php?action=editcomment&comment=$comment->comment_ID";
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echo "$before <a href='$location'>$link</a> $after";
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}
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// Navigation links
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function get_previous_post($in_same_cat = false, $excluded_categories = '') {
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global $post, $wpdb;
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if(! is_single()) {
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return null;
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}
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$current_post_date = $post->post_date;
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$join = '';
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if ($in_same_cat) {
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$join = " INNER JOIN $wpdb->post2cat ON $wpdb->posts.ID= $wpdb->post2cat.post_id ";
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$cat_array = get_the_category($post->ID);
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$join .= ' AND (category_id = ' . intval($cat_array[0]->cat_ID);
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for ($i = 1; $i < (count($cat_array)); $i++) {
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$join .= ' OR category_id = ' . intval($cat_array[$i]->cat_ID);
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}
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$join .= ')';
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}
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$sql_exclude_cats = '';
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if (!empty($excluded_categories)) {
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$blah = explode('and', $excluded_categories);
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foreach($blah as $category) {
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$category = intval($category);
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$sql_exclude_cats .= " AND post_category != $category";
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}
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}
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return @$wpdb->get_row("SELECT ID, post_title FROM $wpdb->posts $join WHERE post_date < '$current_post_date' AND post_status = 'publish' $sqlcat $sql_exclude_cats ORDER BY post_date DESC LIMIT 1");
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}
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function get_next_post($in_same_cat = false, $excluded_categories = '') {
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global $post, $wpdb;
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if(! is_single()) {
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return null;
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}
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$current_post_date = $post->post_date;
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$join = '';
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if ($in_same_cat) {
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$join = " INNER JOIN $wpdb->post2cat ON $wpdb->posts.ID= $wpdb->post2cat.post_id ";
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$cat_array = get_the_category($post->ID);
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$join .= ' AND (category_id = ' . intval($cat_array[0]->cat_ID);
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for ($i = 1; $i < (count($cat_array)); $i++) {
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$join .= ' OR category_id = ' . intval($cat_array[$i]->cat_ID);
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}
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$join .= ')';
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}
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$sql_exclude_cats = '';
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if (!empty($excluded_categories)) {
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$blah = explode('and', $excluded_categories);
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foreach($blah as $category) {
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$category = intval($category);
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$sql_exclude_cats .= " AND post_category != $category";
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}
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}
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$now = current_time('mysql');
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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 != $post->ID ORDER BY post_date ASC LIMIT 1");
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}
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function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
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$post = get_previous_post($in_same_cat, $excluded_categories);
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if(! $post) {
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return;
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}
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$title = apply_filters('the_title', $post->post_title, $post);
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$string = '<a href="'.get_permalink($post->ID).'">';
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$link = str_replace('%title', $title, $link);
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$link = $string . $link . '</a>';
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$format = str_replace('%link', $link, $format);
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echo $format;
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}
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function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') {
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$post = get_next_post($in_same_cat, $excluded_categories);
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if(! $post) {
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return;
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}
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$title = apply_filters('the_title', $post->post_title, $post);
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$string = '<a href="'.get_permalink($post->ID).'">';
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$link = str_replace('%title', $title, $link);
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$link = $string . $link . '</a>';
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$format = str_replace('%link', $link, $format);
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echo $format;
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}
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// Deprecated. Use previous_post_link().
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function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {
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if ( empty($in_same_cat) || 'no' == $in_same_cat )
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$in_same_cat = false;
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else
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$in_same_cat = true;
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$post = get_previous_post($in_same_cat, $excluded_categories);
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if(! $post) {
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return;
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}
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$string = '<a href="'.get_permalink($post->ID).'">'.$previous;
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if ($title == 'yes') {
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$string .= apply_filters('the_title', $post->post_title, $post);
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}
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$string .= '</a>';
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$format = str_replace('%', $string, $format);
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echo $format;
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}
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// Deprecated. Use next_post_link().
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function next_post($format='%', $next='next post: ', $title='yes', $in_same_cat='no', $limitnext=1, $excluded_categories='') {
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if ( empty($in_same_cat) || 'no' == $in_same_cat )
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$in_same_cat = false;
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else
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$in_same_cat = true;
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$post = get_next_post($in_same_cat, $excluded_categories);
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if(! $post) {
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return;
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}
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$string = '<a href="'.get_permalink($post->ID).'">'.$next;
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if ($title=='yes') {
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$string .= apply_filters('the_title', $post->post_title, $nextpost);
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}
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$string .= '</a>';
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$format = str_replace('%', $string, $format);
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echo $format;
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}
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function get_pagenum_link($pagenum = 1) {
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global $wp_rewrite;
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$qstr = $_SERVER['REQUEST_URI'];
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$page_querystring = "paged";
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$page_modstring = "page/";
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$page_modregex = "page/?";
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$permalink = 0;
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$home_root = parse_url(get_settings('home'));
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$home_root = $home_root['path'];
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$home_root = trailingslashit($home_root);
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$qstr = preg_replace('|^'. $home_root . '|', '', $qstr);
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$qstr = preg_replace('|^/+|', '', $qstr);
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$index = $_SERVER['PHP_SELF'];
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$index = preg_replace('|^'. $home_root . '|', '', $index);
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$index = preg_replace('|^/+|', '', $index);
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// if we already have a QUERY style page string
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if( stristr( $qstr, $page_querystring ) ) {
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$replacement = "$page_querystring=$pagenum";
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$qstr = preg_replace("/".$page_querystring."[^\d]+\d+/", $replacement, $qstr);
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// if we already have a mod_rewrite style page string
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} elseif ( preg_match( '|'.$page_modregex.'\d+|', $qstr ) ){
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$permalink = 1;
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$qstr = preg_replace('|'.$page_modregex.'\d+|',"$page_modstring$pagenum",$qstr);
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// if we don't have a page string at all ...
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// lets see what sort of URL we have...
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} else {
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// we need to know the way queries are being written
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// if there's a querystring_start (a "?" usually), it's definitely not mod_rewritten
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if ( stristr( $qstr, '?' ) ){
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// so append the query string (using &, since we already have ?)
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$qstr .= '&' . $page_querystring . '=' . $pagenum;
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// otherwise, it could be rewritten, OR just the default index ...
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} elseif( '' != get_settings('permalink_structure') && ! is_admin()) {
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$permalink = 1;
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$index = $wp_rewrite->index;
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// If it's not a path info permalink structure, trim the index.
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if (! $wp_rewrite->using_index_permalinks()) {
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$qstr = preg_replace("#/*" . $index . "/*#", '/', $qstr);
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} else {
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// If using path info style permalinks, make sure the index is in
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// the URI.
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if (strpos($qstr, $index) === false) {
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$qstr = '/' . $index . $qstr;
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}
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}
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$qstr = trailingslashit($qstr) . $page_modstring . $pagenum;
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} else {
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$qstr = $index . '?' . $page_querystring . '=' . $pagenum;
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}
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}
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$qstr = preg_replace('|^/+|', '', $qstr);
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if ($permalink) $qstr = trailingslashit($qstr);
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$qstr = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', trailingslashit( get_settings('home') ) . $qstr );
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// showing /page/1/ or ?paged=1 is redundant
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if ($pagenum === 1) {
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$qstr = str_replace('page/1/', '', $qstr); // for mod_rewrite style
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$qstr = remove_query_arg('paged', $qstr); // for query style
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}
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return $qstr;
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}
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function next_posts($max_page = 0) { // original by cfactor at cooltux.org
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global $paged, $pagenow;
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if (! is_single()) {
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if (!$paged) $paged = 1;
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$nextpage = intval($paged) + 1;
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if (!$max_page || $max_page >= $nextpage) {
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echo get_pagenum_link($nextpage);
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}
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}
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}
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function next_posts_link($label='Next Page »', $max_page=0) {
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global $paged, $result, $request, $posts_per_page, $wpdb, $max_num_pages;
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if (!$max_page) {
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if ( isset($max_num_pages) ) {
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$max_page = $max_num_pages;
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} else {
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preg_match('#FROM (.*) GROUP BY#', $request, $matches);
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$fromwhere = $matches[1];
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$numposts = $wpdb->get_var("SELECT COUNT(ID) FROM $fromwhere");
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$max_page = $max_num_pages = ceil($numposts / $posts_per_page);
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}
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}
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if (!$paged)
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$paged = 1;
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$nextpage = intval($paged) + 1;
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if ((! is_single()) && (empty($paged) || $nextpage <= $max_page)) {
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echo '<a href="';
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next_posts($max_page);
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echo '">'. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $label) .'</a>';
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}
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}
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function previous_posts() { // original by cfactor at cooltux.org
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global $_SERVER, $paged, $pagenow;
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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, $max_num_pages;
|
|
if (! is_single()) {
|
|
|
|
if (get_query_var('what_to_show') == 'posts') {
|
|
if ( ! isset($max_num_pages) ) {
|
|
preg_match('#FROM (.*) GROUP BY#', $request, $matches);
|
|
$fromwhere = $matches[1];
|
|
$numposts = $wpdb->get_var("SELECT COUNT(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);
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|