mirror of
https://github.com/WordPress/WordPress.git
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524c32cad5
git-svn-id: http://svn.automattic.com/wordpress/trunk@6359 1a063a9b-81f0-0310-95a4-ce76da25c4cd
571 lines
16 KiB
PHP
571 lines
16 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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/**
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* Conditionally adds a trailing slash if the permalink structure
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* has a trailing slash, strips the trailing slash if not
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* @global object Uses $wp_rewrite
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* @param $string string a URL with or without a trailing slash
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* @param $type_of_url string the type of URL being considered (e.g. single, category, etc) for use in the filter
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* @return string
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*/
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function user_trailingslashit($string, $type_of_url = '') {
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global $wp_rewrite;
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if ( $wp_rewrite->use_trailing_slashes )
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$string = trailingslashit($string);
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else
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$string = untrailingslashit($string);
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// Note that $type_of_url can be one of following:
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// single, single_trackback, single_feed, single_paged, feed, category, page, year, month, day, paged
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$string = apply_filters('user_trailingslashit', $string, $type_of_url);
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return $string;
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}
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function permalink_anchor($mode = 'id') {
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global $post;
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switch ( strtolower($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-' . $post->ID . '"></a>';
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break;
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}
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}
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function get_permalink($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($id);
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if ( empty($post->ID) ) return FALSE;
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if ( $post->post_type == 'page' )
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return get_page_link($post->ID);
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elseif ($post->post_type == 'attachment')
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return get_attachment_link($post->ID);
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$permalink = get_option('permalink_structure');
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if ( '' != $permalink && !in_array($post->post_status, array('draft', 'pending')) ) {
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$unixtime = strtotime($post->post_date);
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$category = '';
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if ( strpos($permalink, '%category%') !== false ) {
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$cats = get_the_category($post->ID);
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if ( $cats )
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usort($cats, '_usort_terms_by_ID'); // order by ID
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$category = $cats[0]->slug;
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if ( $parent=$cats[0]->parent )
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$category = get_category_parents($parent, FALSE, '/', TRUE) . $category;
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}
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$author = '';
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if ( strpos($permalink, '%author%') !== false ) {
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$authordata = get_userdata($post->post_author);
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$author = $authordata->user_nicename;
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}
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$date = explode(" ",date('Y m d H i s', $unixtime));
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$rewritereplace =
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array(
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$date[0],
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$date[1],
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$date[2],
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$date[3],
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$date[4],
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$date[5],
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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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$post->post_name,
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);
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$permalink = get_option('home') . str_replace($rewritecode, $rewritereplace, $permalink);
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$permalink = user_trailingslashit($permalink, 'single');
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return apply_filters('post_link', $permalink, $post);
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} else { // if they're not using the fancy permalink option
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$permalink = get_option('home') . '/?p=' . $post->ID;
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return apply_filters('post_link', $permalink, $post);
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}
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}
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// get permalink from post ID
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function post_permalink($post_id = 0, $deprecated = '') {
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return get_permalink($post_id);
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}
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// Respects page_on_front. Use this one.
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function get_page_link($id = false) {
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global $post;
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$id = (int) $id;
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if ( !$id )
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$id = (int) $post->ID;
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if ( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') )
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$link = get_option('home');
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else
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$link = _get_page_link( $id );
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return apply_filters('page_link', $link, $id);
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}
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// Ignores page_on_front. Internal use only.
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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 = (int) $post->ID;
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$pagestruct = $wp_rewrite->get_page_permastruct();
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if ( '' != $pagestruct && 'draft' != $post->post_status ) {
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$link = get_page_uri($id);
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$link = str_replace('%pagename%', $link, $pagestruct);
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$link = get_option('home') . "/$link";
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$link = user_trailingslashit($link, 'page');
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} else {
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$link = get_option('home') . "/?page_id=$id";
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}
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return apply_filters( '_get_page_link', $link, $id );
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}
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function get_attachment_link($id = false) {
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global $post, $wp_rewrite;
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$link = false;
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if (! $id) {
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$id = (int) $post->ID;
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}
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$object = get_post($id);
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if ( $wp_rewrite->using_permalinks() && ($object->post_parent > 0) && ($object->post_parent != $id) ) {
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$parent = get_post($object->post_parent);
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if ( 'page' == $parent->post_type )
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$parentlink = _get_page_link( $object->post_parent ); // Ignores page_on_front
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else
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$parentlink = get_permalink( $object->post_parent );
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if (strpos($parentlink, '?') === false)
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$link = trailingslashit($parentlink) . $object->post_name . '/';
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}
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if (! $link ) {
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$link = get_bloginfo('url') . "/?attachment_id=$id";
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}
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return apply_filters('attachment_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 )
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$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
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$yearlink = $wp_rewrite->get_year_permastruct();
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if ( !empty($yearlink) ) {
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$yearlink = str_replace('%year%', $year, $yearlink);
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return apply_filters('year_link', get_option('home') . user_trailingslashit($yearlink, 'year'), $year);
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} else {
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return apply_filters('year_link', get_option('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 )
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$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
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if ( !$month )
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$month = gmdate('m', time()+(get_option('gmt_offset') * 3600));
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$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), $monthlink);
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return apply_filters('month_link', get_option('home') . user_trailingslashit($monthlink, 'month'), $year, $month);
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} else {
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return apply_filters('month_link', get_option('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 )
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$year = gmdate('Y', time()+(get_option('gmt_offset') * 3600));
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if ( !$month )
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$month = gmdate('m', time()+(get_option('gmt_offset') * 3600));
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if ( !$day )
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$day = gmdate('j', time()+(get_option('gmt_offset') * 3600));
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$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), $daylink);
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return apply_filters('day_link', get_option('home') . user_trailingslashit($daylink, 'day'), $year, $month, $day);
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} else {
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return apply_filters('day_link', get_option('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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$feed_url = get_option('siteurl');
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$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_option('home') . user_trailingslashit($permalink, 'feed');
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} else {
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if ( false !== strpos($feed, 'comments_') )
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$feed = str_replace('comments_', 'comments-', $feed);
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$output = get_option('home') . "/?feed={$feed}";
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}
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return apply_filters('feed_link', $output, $feed);
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}
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function get_post_comments_feed_link($post_id = '', $feed = 'rss2') {
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global $id;
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if ( empty($post_id) )
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$post_id = (int) $id;
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if ( '' != get_option('permalink_structure') ) {
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$url = trailingslashit( get_permalink($post_id) ) . 'feed';
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if ( 'rss2' != $feed )
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$url .= "/$feed";
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$url = user_trailingslashit($url, 'single_feed');
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} else {
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$type = get_post_field('post_type', $post_id);
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if ( 'page' == $type )
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$url = get_option('home') . "/?feed=$feed&page_id=$post_id";
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else
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$url = get_option('home') . "/?feed=$feed&p=$post_id";
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}
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return apply_filters('post_comments_feed_link', $url);
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}
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function get_edit_post_link( $id = 0 ) {
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$post = &get_post( $id );
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if ( $post->post_type == 'attachment' ) {
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return;
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} elseif ( $post->post_type == 'page' ) {
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if ( !current_user_can( 'edit_page', $post->ID ) )
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return;
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$file = 'page';
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} else {
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if ( !current_user_can( 'edit_post', $post->ID ) )
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return;
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$file = 'post';
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}
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return apply_filters( 'get_edit_post_link', get_bloginfo( 'wpurl' ) . '/wp-admin/' . $file . '.php?action=edit&post=' . $post->ID, $post->ID );
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}
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function edit_post_link( $link = 'Edit This', $before = '', $after = '' ) {
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global $post;
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if ( $post->post_type == 'attachment' ) {
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return;
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} elseif ( $post->post_type == 'page' ) {
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if ( !current_user_can( 'edit_page', $post->ID ) )
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return;
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$file = 'page';
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} else {
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if ( !current_user_can( 'edit_post', $post->ID ) )
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return;
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$file = 'post';
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}
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$link = '<a href="' . get_edit_post_link( $post->ID ) . '" title="' . __( 'Edit post' ) . '">' . $link . '</a>';
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echo $before . apply_filters( 'edit_post_link', $link, $post->ID ) . $after;
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}
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function get_edit_comment_link( $comment_id = 0 ) {
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$comment = &get_comment( $comment_id );
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$post = &get_post( $comment->comment_post_ID );
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if ( $post->post_type == 'attachment' ) {
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return;
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} elseif ( $post->post_type == 'page' ) {
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if ( !current_user_can( 'edit_page', $post->ID ) )
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return;
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} else {
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if ( !current_user_can( 'edit_post', $post->ID ) )
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return;
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}
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$location = get_bloginfo( 'wpurl' ) . '/wp-admin/comment.php?action=editcomment&c=' . $comment->comment_ID;
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return apply_filters( 'get_edit_comment_link', $location );
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}
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function edit_comment_link( $link = 'Edit This', $before = '', $after = '' ) {
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global $comment, $post;
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if ( $post->post_type == 'attachment' ) {
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return;
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} elseif ( $post->post_type == 'page' ) {
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if ( !current_user_can( 'edit_page', $post->ID ) )
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return;
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} else {
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if ( !current_user_can( 'edit_post', $post->ID ) )
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return;
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}
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$link = '<a href="' . get_edit_comment_link( $comment->comment_ID ) . '" title="' . __( 'Edit comment' ) . '">' . $link . '</a>';
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echo $before . apply_filters( 'edit_comment_link', $link, $comment->comment_ID ) . $after;
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}
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// Navigation links
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function get_previous_post($in_same_cat = false, $excluded_categories = '') {
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return get_adjacent_post($in_same_cat, $excluded_categories);
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}
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function get_next_post($in_same_cat = false, $excluded_categories = '') {
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return get_adjacent_post($in_same_cat, $excluded_categories, false);
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}
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function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $previous = true) {
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global $post, $wpdb;
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if( empty($post) || !is_single() || is_attachment() )
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return null;
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$current_post_date = $post->post_date;
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$join = '';
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if ( $in_same_cat || !empty($excluded_categories) ) {
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$join = " INNER JOIN $wpdb->term_relationships AS tr ON p.ID = tr.object_id INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id";
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if ( $in_same_cat ) {
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$cat_array = wp_get_object_terms($post->ID, 'category', 'fields=ids');
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$join .= " AND tt.taxonomy = 'category' AND tt.term_id IN (" . implode($cat_array, ',') . ')';
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}
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$posts_in_ex_cats_sql = "AND tt.taxonomy = 'category'";
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if ( !empty($excluded_categories) ) {
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$excluded_categories = array_map('intval', explode(' and ', $excluded_categories));
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if ( !empty($cat_array) ) {
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$excluded_categories = array_diff($excluded_categories, $cat_array);
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$posts_in_ex_cats_sql = '';
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}
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if ( !empty($excluded_categories) ) {
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$posts_in_ex_cats_sql = " AND tt.term_id NOT IN (" . implode($excluded_categories, ',') . ')';
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}
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}
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}
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$adjacent = $previous ? 'previous' : 'next';
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$op = $previous ? '<' : '>';
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$order = $previous ? 'DESC' : 'ASC';
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$join = apply_filters( "get_{$adjacent}_post_join", $join, $in_same_cat, $excluded_categories );
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$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = 'post' AND p.post_status = 'publish' $posts_in_ex_cats_sql", $current_post_date), $in_same_cat, $excluded_categories );
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$sort = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" );
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return $wpdb->get_row("SELECT p.* FROM $wpdb->posts AS p $join $where $sort");
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}
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function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
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adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, true);
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}
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function next_post_link($format='%link »', $link='%title', $in_same_cat = false, $excluded_categories = '') {
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adjacent_post_link($format, $link, $in_same_cat, $excluded_categories, false);
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}
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function adjacent_post_link($format, $link, $in_same_cat = false, $excluded_categories = '', $previous = true) {
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if ( $previous && is_attachment() )
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$post = & get_post($GLOBALS['post']->post_parent);
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else
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$post = get_adjacent_post($in_same_cat, $excluded_categories, $previous);
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if ( !$post )
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return;
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$title = $post->post_title;
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if ( empty($post->post_title) )
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$title = $previous ? __('Previous Post') : __('Next Post');
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$title = apply_filters('the_title', $title, $post);
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$string = '<a href="'.get_permalink($post).'">';
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$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 $format;
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}
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function get_pagenum_link($pagenum = 1) {
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global $wp_rewrite;
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$pagenum = (int) $pagenum;
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$request = remove_query_arg( 'paged' );
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$home_root = parse_url(get_option('home'));
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$home_root = $home_root['path'];
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$home_root = preg_quote( trailingslashit( $home_root ), '|' );
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$request = preg_replace('|^'. $home_root . '|', '', $request);
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$request = preg_replace('|^/+|', '', $request);
|
|
|
|
if ( !$wp_rewrite->using_permalinks() || is_admin() ) {
|
|
$base = trailingslashit( get_bloginfo( 'home' ) );
|
|
|
|
if ( $pagenum > 1 ) {
|
|
$result = add_query_arg( 'paged', $pagenum, $base . $request );
|
|
} else {
|
|
$result = $base . $request;
|
|
}
|
|
} else {
|
|
$qs_regex = '|\?.*?$|';
|
|
preg_match( $qs_regex, $request, $qs_match );
|
|
|
|
if ( $qs_match[0] ) {
|
|
$query_string = $qs_match[0];
|
|
$request = preg_replace( $qs_regex, '', $request );
|
|
} else {
|
|
$query_string = '';
|
|
}
|
|
|
|
$request = preg_replace( '|page/(.+)/?$|', '', $request);
|
|
$request = preg_replace( '|^index\.php|', '', $request);
|
|
$request = ltrim($request, '/');
|
|
|
|
$base = trailingslashit( get_bloginfo( 'url' ) );
|
|
|
|
if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' != $request ) )
|
|
$base .= 'index.php/';
|
|
|
|
if ( $pagenum > 1 ) {
|
|
$request = ( ( !empty( $request ) ) ? trailingslashit( $request ) : $request ) . user_trailingslashit( 'page/' . $pagenum, 'paged' );
|
|
}
|
|
|
|
$result = $base . $request . $query_string;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
function get_next_posts_page_link($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);
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|