mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-17 16:15:24 +01:00
e5ea802c0c
git-svn-id: http://svn.automattic.com/wordpress/trunk@5340 1a063a9b-81f0-0310-95a4-ce76da25c4cd
611 lines
18 KiB
PHP
611 lines
18 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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/**
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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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$rewritecode = array(
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'%year%',
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'%monthnum%',
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'%day%',
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'%hour%',
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'%minute%',
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'%second%',
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'%postname%',
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'%post_id%',
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'%category%',
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'%tag%',
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'%author%',
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'%pagename%'
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);
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$post = &get_post($id);
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if ( $post->post_type == 'page' )
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return get_page_link($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 && 'draft' != $post->post_status ) {
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$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($post->ID);
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$category = $cats[0]->category_nicename;
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if ( $parent=$cats[0]->category_parent )
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$category = get_category_parents($parent, FALSE, '/', TRUE) . $category;
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}
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$authordata = get_userdata($post->post_author);
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$author = $authordata->user_nicename;
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$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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$link = trim($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() ) . 'feed';
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if ( 'rss2' != $feed )
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$url .= "/$feed";
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$url = user_trailingslashit($url, 'single_feed');
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} else {
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$url = get_option('home') . "/?feed=$feed&p=$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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global $post, $wpdb;
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if( !is_single() || is_attachment() )
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return null;
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$current_post_date = $post->post_date;
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$join = '';
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if ( $in_same_cat ) {
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$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_cat_ids = " OR pc.category_ID = '$category'";
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}
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$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 $sql_cat_ids GROUP BY p.ID");
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$posts_in_ex_cats_sql = 'AND ID NOT IN (' . implode($posts_in_ex_cats, ',') . ')';
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}
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$join = apply_filters( 'get_previous_post_join', $join, $in_same_cat, $excluded_categories );
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$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, $excluded_categories );
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$sort = apply_filters( 'get_previous_post_sort', 'ORDER BY post_date DESC LIMIT 1' );
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return @$wpdb->get_row("SELECT ID, post_title FROM $wpdb->posts $join $where $sort");
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}
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function get_next_post($in_same_cat = false, $excluded_categories = '') {
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global $post, $wpdb;
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if( !is_single() || is_attachment() )
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return null;
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$current_post_date = $post->post_date;
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$join = '';
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if ( $in_same_cat ) {
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$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_cat_ids = " OR pc.category_ID = '$category'";
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}
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$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 $sql_cat_ids GROUP BY p.ID");
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$posts_in_ex_cats_sql = 'AND ID NOT IN (' . implode($posts_in_ex_cats, ',') . ')';
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}
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$join = apply_filters( 'get_next_post_join', $join, $in_same_cat, $excluded_categories );
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$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, $excluded_categories );
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$sort = apply_filters( 'get_next_post_sort', 'ORDER BY post_date ASC LIMIT 1' );
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return @$wpdb->get_row("SELECT ID, post_title FROM $wpdb->posts $join $where $sort");
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}
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function previous_post_link($format='« %link', $link='%title', $in_same_cat = false, $excluded_categories = '') {
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if ( is_attachment() )
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$post = & get_post($GLOBALS['post']->post_parent);
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else
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$post = get_previous_post($in_same_cat, $excluded_categories);
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if ( !$post )
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return;
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$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 = $pre . $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, $excluded_categories);
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|
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if ( !$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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|
|
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echo $format;
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}
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|
|
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function get_pagenum_link($pagenum = 1) {
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|
global $wp_rewrite;
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|
|
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$qstr = $_SERVER['REQUEST_URI'];
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|
|
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$page_querystring = "paged";
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$page_modstring = "page/";
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$page_modregex = "page/?";
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$permalink = 0;
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|
|
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$home_root = parse_url(get_option('home'));
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|
$home_root = $home_root['path'];
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|
$home_root = trailingslashit($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);
|
|
$index = preg_replace('|^/+|', '', $index);
|
|
|
|
// if we already have a QUERY style page string
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|
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');
|
|
$qstr = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', trailingslashit( get_option('home') ) . $qstr );
|
|
|
|
// showing /page/1/ or ?paged=1 is redundant
|
|
if ( 1 === $pagenum ) {
|
|
$qstr = str_replace(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
|
|
}
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|