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< ? 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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/**
* Conditionally adds a trailing slash if the permalink structure
* has a trailing slash , strips the trailing slash if not
* @ global object Uses $wp_rewrite
* @ param $string string a URL with or without a trailing slash
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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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function user_trailingslashit ( $string , $type_of_url = '' ) {
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global $wp_rewrite ;
if ( $wp_rewrite -> use_trailing_slashes )
$string = trailingslashit ( $string );
else
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$string = untrailingslashit ( $string );
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// Note that $type_of_url can be one of following:
// single, single_trackback, single_feed, single_paged, feed, category, page, year, month, day, paged
$string = apply_filters ( 'user_trailingslashit' , $string , $type_of_url );
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return $string ;
}
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function permalink_anchor ( $mode = 'id' ) {
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global $post ;
switch ( strtolower ( $mode ) ) {
case 'title' :
$title = sanitize_title ( $post -> post_title ) . '-' . $id ;
echo '<a id="' . $title . '"></a>' ;
break ;
case 'id' :
default :
echo '<a id="post-' . $post -> ID . '"></a>' ;
break ;
}
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}
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function get_permalink ( $id = 0 ) {
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$rewritecode = array (
'%year%' ,
'%monthnum%' ,
'%day%' ,
'%hour%' ,
'%minute%' ,
'%second%' ,
'%postname%' ,
'%post_id%' ,
'%category%' ,
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'%tag%' ,
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'%author%' ,
'%pagename%'
);
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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 ] -> slug ;
if ( $parent = $cats [ 0 ] -> parent )
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$category = get_category_parents ( $parent , FALSE , '/' , TRUE ) . $category ;
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}
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$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 ],
$date [ 1 ],
$date [ 2 ],
$date [ 3 ],
$date [ 4 ],
$date [ 5 ],
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$post -> post_name ,
$post -> ID ,
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$category ,
$author ,
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$post -> post_name ,
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);
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$permalink = get_option ( 'home' ) . str_replace ( $rewritecode , $rewritereplace , $permalink );
$permalink = user_trailingslashit ( $permalink , 'single' );
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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// 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' ) )
$link = get_option ( 'home' );
else
$link = _get_page_link ( $id );
return apply_filters ( 'page_link' , $link , $id );
}
// Ignores page_on_front. Internal use only.
function _get_page_link ( $id = false ) {
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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 ;
$link = false ;
if ( ! $id ) {
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$id = ( int ) $post -> ID ;
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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 )
$parentlink = _get_page_link ( $object -> post_parent ); // Ignores page_on_front
else
$parentlink = get_permalink ( $object -> post_parent );
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if ( strpos ( $parentlink , '?' ) === false )
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$link = trim ( $parentlink , '/' ) . '/' . $object -> post_name . '/' ;
}
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 ();
if ( ! empty ( $yearlink ) ) {
$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 ;
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 ();
if ( ! empty ( $monthlink ) ) {
$monthlink = str_replace ( '%year%' , $year , $monthlink );
$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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}
function get_day_link ( $year , $month , $day ) {
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global $wp_rewrite ;
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 ();
if ( ! empty ( $daylink ) ) {
$daylink = str_replace ( '%year%' , $year , $daylink );
$daylink = str_replace ( '%monthnum%' , zeroise ( intval ( $month ), 2 ), $daylink );
$daylink = str_replace ( '%day%' , zeroise ( intval ( $day ), 2 ), $daylink );
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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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}
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_' ) ) {
$feed = str_replace ( 'comments_' , '' , $feed );
$permalink = $wp_rewrite -> get_comment_feed_permastruct ();
}
if ( 'rss2' == $feed )
$feed = '' ;
$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 {
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' ) {
global $id ;
if ( empty ( $post_id ) )
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$post_id = ( int ) $id ;
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if ( '' != get_option ( 'permalink_structure' ) ) {
$url = trailingslashit ( get_permalink () ) . 'feed' ;
if ( 'rss2' != $feed )
$url .= " / $feed " ;
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$url = user_trailingslashit ( $url , 'single_feed' );
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} else {
$url = get_option ( 'home' ) . " /?feed= $feed &p= $id " ;
}
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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 ) {
$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' ;
} 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 = '' ) {
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 ) )
return ;
$file = 'page' ;
} else {
if ( ! current_user_can ( 'edit_post' , $post -> ID ) )
return ;
$file = 'post' ;
}
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$link = '<a href="' . get_edit_post_link ( $post -> ID ) . '" title="' . __ ( 'Edit post' ) . '">' . $link . '</a>' ;
echo $before . apply_filters ( 'edit_post_link' , $link , $post -> ID ) . $after ;
}
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function get_edit_comment_link ( $comment_id = 0 ) {
$comment = & get_comment ( $comment_id );
$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 ;
return apply_filters ( 'get_edit_comment_link' , $location );
}
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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 ) )
return ;
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} else {
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if ( ! current_user_can ( 'edit_post' , $post -> ID ) )
return ;
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}
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$link = '<a href="' . get_edit_comment_link ( $comment -> comment_ID ) . '" title="' . __ ( 'Edit comment' ) . '">' . $link . '</a>' ;
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 " ;
$cat_array = get_the_category ( $post -> ID );
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$join .= ' AND (category_id = ' . intval ( $cat_array [ 0 ] -> term_id );
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for ( $i = 1 ; $i < ( count ( $cat_array )); $i ++ ) {
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$join .= ' OR category_id = ' . intval ( $cat_array [ $i ] -> term_id );
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}
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$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 " );
$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 );
$where = apply_filters ( 'get_previous_post_where' , " WHERE post_date < ' $current_post_date ' AND post_type = 'post' AND post_status = 'publish' $posts_in_ex_cats_sql " , $in_same_cat , $excluded_categories );
$sort = apply_filters ( 'get_previous_post_sort' , 'ORDER BY post_date DESC LIMIT 1' );
return @ $wpdb -> get_row ( " SELECT ID, post_title FROM $wpdb->posts $join $where $sort " );
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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 " ;
$cat_array = get_the_category ( $post -> ID );
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$join .= ' AND (category_id = ' . intval ( $cat_array [ 0 ] -> term_id );
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for ( $i = 1 ; $i < ( count ( $cat_array )); $i ++ ) {
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$join .= ' OR category_id = ' . intval ( $cat_array [ $i ] -> term_id );
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}
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$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 " );
$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 );
$where = apply_filters ( 'get_next_post_where' , " WHERE post_date > ' $current_post_date ' AND post_type = 'post' AND post_status = 'publish' $posts_in_ex_cats_sql AND ID != $post->ID " , $in_same_cat , $excluded_categories );
$sort = apply_filters ( 'get_next_post_sort' , 'ORDER BY post_date ASC LIMIT 1' );
return @ $wpdb -> get_row ( " SELECT ID, post_title FROM $wpdb->posts $join $where $sort " );
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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 ( ! $post )
return ;
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$title = apply_filters ( 'the_title' , $post -> post_title , $post );
$string = '<a href="' . get_permalink ( $post -> ID ) . '">' ;
$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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}
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 ( ! $post )
return ;
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$title = apply_filters ( 'the_title' , $post -> post_title , $post );
$string = '<a href="' . get_permalink ( $post -> ID ) . '">' ;
$link = str_replace ( '%title' , $title , $link );
$link = $string . $link . '</a>' ;
$format = str_replace ( '%link' , $link , $format );
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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 ;
$request = remove_query_arg ( 'paged' );
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$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 );
$request = preg_replace ( '|^/+|' , '' , $request );
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if ( ! $wp_rewrite -> using_permalinks () || is_admin () ) {
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$base = trailingslashit ( get_bloginfo ( 'home' ) );
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if ( $pagenum > 1 ) {
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$result = add_query_arg ( 'paged' , $pagenum , $base . $request );
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} else {
$result = $base . $request ;
}
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} else {
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$request = preg_replace ( '|/?page/(.+)/?$|' , '' , $request );
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$qs_regex = '|\?.*?$|' ;
preg_match ( $qs_regex , $request , $qs_match );
if ( $qs_match [ 0 ] ) {
$query_string = $qs_match [ 0 ];
$request = preg_replace ( $qs_regex , '' , $request );
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} else {
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$query_string = '' ;
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}
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$base = trailingslashit ( get_bloginfo ( 'url' ) );
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if ( $wp_rewrite -> using_index_permalinks () && $pagenum > 1 ) {
$base .= 'index.php/' ;
}
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if ( $pagenum > 1 ) {
$request = ( ( ! empty ( $request ) ) ? trailingslashit ( $request ) : $request ) . user_trailingslashit ( 'page/' . $pagenum , 'paged' );
} else {
$request = user_trailingslashit ( $request );
}
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$result = $base . $request . $query_string ;
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}
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return $result ;
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}
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function get_next_posts_page_link ( $max_page = 0 ) {
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global $paged , $pagenow ;
if ( ! is_single () ) {
if ( ! $paged )
$paged = 1 ;
$nextpage = intval ( $paged ) + 1 ;
if ( ! $max_page || $max_page >= $nextpage )
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return get_pagenum_link ( $nextpage );
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}
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}
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function next_posts ( $max_page = 0 ) {
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echo clean_url ( get_next_posts_page_link ( $max_page ));
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}
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function next_posts_link ( $label = 'Next Page »' , $max_page = 0 ) {
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global $paged , $wpdb , $wp_query ;
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if ( ! $max_page ) {
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$max_page = $wp_query -> max_num_pages ;
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}
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>' ;
}
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}
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function get_previous_posts_page_link () {
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global $paged , $pagenow ;
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if ( ! is_single () ) {
$nextpage = intval ( $paged ) - 1 ;
if ( $nextpage < 1 )
$nextpage = 1 ;
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return get_pagenum_link ( $nextpage );
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}
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}
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function previous_posts () {
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echo clean_url ( get_previous_posts_page_link ());
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}
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function previous_posts_link ( $label = '« Previous Page' ) {
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global $paged ;
if ( ( ! is_single ()) && ( $paged > 1 ) ) {
echo '<a href="' ;
previous_posts ();
echo '">' . preg_replace ( '/&([^#])(?![a-z]{1,8};)/' , '&$1' , $label ) . '</a>' ;
}
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}
function posts_nav_link ( $sep = ' — ' , $prelabel = '« Previous Page' , $nxtlabel = 'Next Page »' ) {
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global $wp_query ;
if ( ! is_singular () ) {
$max_num_pages = $wp_query -> max_num_pages ;
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$paged = get_query_var ( 'paged' );
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//only have sep if there's both prev and next results
if ( $paged < 2 || $paged >= $max_num_pages ) {
$sep = '' ;
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}
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if ( $max_num_pages > 1 ) {
previous_posts_link ( $prelabel );
echo preg_replace ( '/&([^#])(?![a-z]{1,8};)/' , '&$1' , $sep );
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next_posts_link ( $nxtlabel );
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}
}
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}
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?>