template-functions-post.php

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        } else {
            if ($more) {
                echo $before;
                $i=$page-1;
                if ($i && $more) {
                if ('' == get_settings('permalink_structure')) {
                    echo '<a href="'.get_permalink().$querystring_separator.'page'.$querystring_equal.$i.'">';
                } else {
                    echo '<a href="'.get_permalink().$i.'/">';
                }
                }
                $i=$page+1;
                if ($i<=$numpages && $more) {
                if ('' == get_settings('permalink_structure')) {
                    echo '<a href="'.get_permalink().$querystring_separator.'page'.$querystring_equal.$i.'">';
                } else {
                    echo '<a href="'.get_permalink().$i.'/">';
                }
                }
                echo $after;
            }
        }
    }
}


function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {
    global $tableposts, $id, $post, $wpdb;
    global $p, $posts, $posts_per_page, $s, $single;
    global $querystring_start, $querystring_equal, $querystring_separator;

    if(($p) || ($posts_per_page == 1) || 1 == $single) {

        $current_post_date = $post->post_date;
        $current_category = $post->post_category;

        $sqlcat = '';
        if ($in_same_cat != 'no') {
            $sqlcat = " AND post_category = '$current_category' ";
        }

        $sql_exclude_cats = '';
        if (!empty($excluded_categories)) {
            $blah = explode('and', $excluded_categories);
            foreach($blah as $category) {
                $category = intval($category);
                $sql_exclude_cats .= " AND post_category != $category";
            }
        }

        $limitprev--;
        $lastpost = @$wpdb->get_row("SELECT ID, post_title FROM $tableposts WHERE post_date < '$current_post_date' AND post_status = 'publish' $sqlcat $sql_exclude_cats ORDER BY post_date DESC LIMIT $limitprev, 1");
        if ($lastpost) {
            $string = '<a href="'.get_permalink($lastpost->ID).'">'.$previous;
            if ($title == 'yes') {
                $string .= wptexturize(stripslashes($lastpost->post_title));
            }
            $string .= '</a>';
            $format = str_replace('%', $string, $format);
            echo $format;
        }
    }
}

function next_post($format='%', $next='next post: ', $title='yes', $in_same_cat='no', $limitnext=1, $excluded_categories='') {
    global $tableposts, $posts_per_page, $post, $wpdb, $single;
    if(1 == $posts_per_page || 1 == $single) {

        $current_post_date = $post->post_date;
        $current_category = $post->post_category;

        $sqlcat = '';
        if ($in_same_cat != 'no') {
            $sqlcat = " AND post_category='$current_category' ";
        }

        $sql_exclude_cats = '';
        if (!empty($excluded_categories)) {
            $blah = explode('and', $excluded_categories);
            foreach($blah as $category) {
                $category = intval($category);
                $sql_exclude_cats .= " AND post_category != $category";
            }
        }

        $now = current_time('mysql');

        $limitnext--;

        $nextpost = @$wpdb->get_row("SELECT ID,post_title FROM $tableposts WHERE post_date > '$current_post_date' AND post_date < '$now' AND post_status = 'publish' $sqlcat $sql_exclude_cats AND ID != $post->ID ORDER BY post_date ASC LIMIT $limitnext,1");
        if ($nextpost) {
            $string = '<a href="'.get_permalink($nextpost->ID).'">'.$next;
            if ($title=='yes') {
                $string .= wptexturize(stripslashes($nextpost->post_title));
            }
            $string .= '</a>';
            $format = str_replace('%', $string, $format);
            echo $format;
        }
    }
}

function next_posts($max_page = 0) { // original by cfactor at cooltux.org
    global $p, $paged, $what_to_show, $pagenow;
    global $querystring_start, $querystring_equal, $querystring_separator;
    if (empty($p) && ($what_to_show == 'paged')) {
        $qstr = $_SERVER['QUERY_STRING'];
        if (!empty($qstr)) {
            $qstr = preg_replace('/&paged=\d{0,}/', '', $qstr);
            $qstr = preg_replace('/paged=\d{0,}/', '', $qstr);
        } elseif (stristr($_SERVER['REQUEST_URI'], $_SERVER['SCRIPT_NAME'] )) {
            if ('' != $qstr = str_replace($_SERVER['SCRIPT_NAME'], '',
                                            $_SERVER['REQUEST_URI']) ) {
                $qstr = preg_replace('/^\//', '', $qstr);
                $qstr = preg_replace('/paged\/\d{0,}\//', '', $qstr);
                $qstr = preg_replace('/paged\/\d{0,}/', '', $qstr);
                $qstr = preg_replace('/\/$/', '', $qstr);
            }
        }
        if (!$paged) $paged = 1;
        $nextpage = intval($paged) + 1;
        if (!$max_page || $max_page >= $nextpage) {
            echo  get_settings('home') .'/'.$pagenow.$querystring_start.
                ($qstr == '' ? '' : $qstr.$querystring_separator) .
                'paged'.$querystring_equal.$nextpage;
        }
    }
}

function next_posts_link($label='Next Page &raquo;', $max_page=0) {
    global $p, $paged, $result, $request, $posts_per_page, $what_to_show, $wpdb;
    if ($what_to_show == 'paged') {
        if (!$max_page) {
            $nxt_request = $request;
            //if the query includes a limit clause, call it again without that
            //limit clause!
            if ($pos = strpos(strtoupper($request), 'LIMIT')) {
                $nxt_request = substr($request, 0, $pos);
            }
            $nxt_result = $wpdb->query($nxt_request);
            $numposts = $wpdb->num_rows;
            $max_page = ceil($numposts / $posts_per_page);
        }
        if (!$paged)
            $paged = 1;
        $nextpage = intval($paged) + 1;
        if (empty($p) && (empty($paged) || $nextpage <= $max_page)) {
            echo '<a href="';
            next_posts($max_page);
            echo '">'. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $label) .'</a>';
        }
    }
}


function previous_posts() { // original by cfactor at cooltux.org
    global $_SERVER, $p, $paged, $what_to_show, $pagenow;
    global $querystring_start, $querystring_equal, $querystring_separator;
    if (empty($p) && ($what_to_show == 'paged')) {
        $qstr = $_SERVER['QUERY_STRING'];
        if (!empty($qstr)) {
            $qstr = preg_replace('/&paged=\d{0,}/', '', $qstr);
            $qstr = preg_replace('/paged=\d{0,}/', '', $qstr);
        } elseif (stristr($_SERVER['REQUEST_URI'], $_SERVER['SCRIPT_NAME'] )) {
            if ('' != $qstr = str_replace($_SERVER['SCRIPT_NAME'], '',
                                            $_SERVER['REQUEST_URI']) ) {
                $qstr = preg_replace('/^\//', '', $qstr);
                $qstr = preg_replace("/paged\/\d{0,}\//", '', $qstr);
                $qstr = preg_replace('/paged\/\d{0,}/', '', $qstr);
                $qstr = preg_replace('/\/$/', '', $qstr);
            }
        }
        $nextpage = intval($paged) - 1;
        if ($nextpage < 1) $nextpage = 1;
        echo  get_settings('home') .'/'.$pagenow.$querystring_start.
            ($qstr == '' ? '' : $qstr.$querystring_separator) .
            'paged'.$querystring_equal.$nextpage;
    }
}

function previous_posts_link($label='&laquo; Previous Page') {
    global $p, $paged, $what_to_show;
    if (empty($p)  && ($paged > 1) && ($what_to_show == 'paged')) {
        echo '<a href="';
        previous_posts();
        echo '">'. preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $label) .'</a>';
    }
}

function posts_nav_link($sep=' :: ', $prelabel='<< Previous Page', $nxtlabel='Next Page >>') {
    global $p, $what_to_show, $request, $posts_per_page, $wpdb;
    if (empty($p) && ($what_to_show == 'paged')) {
        $nxt_request = $request;
        if ($pos = strpos(strtoupper($request), 'LIMIT')) {
            $nxt_request = substr($request, 0, $pos);
        }
        $nxt_result = $wpdb->query($nxt_request);
        $numposts = $wpdb->num_rows;
        $max_page = ceil($numposts / $posts_per_page);
        if ($max_page > 1) {
            previous_posts_link($prelabel);
            echo preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $sep);
            next_posts_link($nxtlabel, $max_page);
        }
    }
}

/*
 * Post-meta: Custom per-post fields.
 */
 
function get_post_custom() {
	global $id, $post_meta_cache;

	return $post_meta_cache[$id];
}

function get_post_custom_keys() {
	global $id, $post_meta_cache;
	
	if (!is_array($post_meta_cache[$id]))
		return;
	if ($keys = array_keys($post_meta_cache[$id]))
		return $keys;
}

function get_post_custom_values($key='') {
	global $id, $post_meta_cache;

	return $post_meta_cache[$id][$key];
}

// this will probably change at some point...
function the_meta() {
	global $id, $post_meta_cache;
	
	if ($keys = get_post_custom_keys()) {
		echo "<ul class='post-meta'>\n";
		foreach ($keys as $key) {
			$values = array_map('trim',$post_meta_cache[$id][$key]);
			$value = implode($values,', ');
			
			echo "<li><span class='post-meta-key'>$key:</span> $value</li>\n";
		}
		echo "</ul>\n";
	}
}

?>