WordPress/wp-includes/template-functions-post.php

491 lines
17 KiB
PHP

<?php
// Default filters
add_filter('the_title', 'convert_chars');
add_filter('the_title', 'trim');
add_filter('the_title_rss', 'strip_tags');
add_filter('the_content', 'convert_smilies');
add_filter('the_content', 'convert_chars');
add_filter('the_content', 'wpautop');
add_filter('the_excerpt', 'remove_slashes', 5);
add_filter('the_excerpt', 'convert_smilies');
add_filter('the_excerpt', 'convert_chars');
add_filter('the_excerpt', 'wpautop');
function get_the_password_form() {
$output = '<form action="' . get_settings('siteurl') . '/wp-pass.php" method="post">
<p>' . __("This post is password protected. To view it please enter your password below:") . '</p>
<p><label>' . __("Password:") . ' <input name="post_password" type="text" size="20" /></label> <input type="submit" name="Submit" value="Submit" /></p>
</form>
';
return $output;
}
function the_ID() {
global $id;
echo $id;
}
function the_title($before = '', $after = '', $echo = true) {
$title = get_the_title();
if (!empty($title)) {
$title = apply_filters('the_title', $before . $title . $after);
if ($echo)
echo $title;
else
return $title;
}
}
function the_title_rss() {
$title = get_the_title();
$title = apply_filters('the_title', $title);
$title = apply_filters('the_title_rss', $title);
echo $title;
}
function get_the_title() {
global $post;
$output = stripslashes($post->post_title);
if (!empty($post->post_password)) { // if there's a password
$output = 'Protected: ' . $output;
}
return $output;
}
function the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') {
$content = get_the_content($more_link_text, $stripteaser, $more_file);
$content = apply_filters('the_content', $content);
$content = str_replace(']]>', ']]&gt;', $content);
echo $content;
}
function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
$content = get_the_content($more_link_text, $stripteaser, $more_file);
$content = apply_filters('the_content', $content);
if ($cut && !$encode_html) {
$encode_html = 2;
}
if ($encode_html == 1) {
$content = htmlspecialchars($content);
$cut = 0;
} elseif ($encode_html == 0) {
$content = make_url_footnote($content);
} elseif ($encode_html == 2) {
$content = strip_tags($content);
}
if ($cut) {
$blah = explode(' ', $content);
if (count($blah) > $cut) {
$k = $cut;
$use_dotdotdot = 1;
} else {
$k = count($blah);
$use_dotdotdot = 0;
}
for ($i=0; $i<$k; $i++) {
$excerpt .= $blah[$i].' ';
}
$excerpt .= ($use_dotdotdot) ? '...' : '';
$content = $excerpt;
}
$content = str_replace(']]>', ']]&gt;', $content);
echo $content;
}
function get_the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') {
global $id, $post, $more, $single, $withcomments, $page, $pages, $multipage, $numpages;
global $HTTP_SERVER_VARS, $preview, $cookiehash;
global $pagenow;
$output = '';
if (!empty($post->post_password)) { // if there's a password
if ($_COOKIE['wp-postpass_'.$cookiehash] != $post->post_password) { // and it doesn't match the cookie
$output = get_the_password_form();
return $output;
}
}
if ($more_file != '') {
$file = $more_file;
} else {
$file = $pagenow; //$HTTP_SERVER_VARS['PHP_SELF'];
}
$content = $pages[$page-1];
$content = explode('<!--more-->', $content);
if ((preg_match('/<!--noteaser-->/', $post->post_content) && ((!$multipage) || ($page==1))))
$stripteaser = 1;
$teaser = $content[0];
if (($more) && ($stripteaser))
$teaser = '';
$output .= $teaser;
if (count($content)>1) {
if ($more) {
$output .= '<a id="more-'.$id.'"></a>'.$content[1];
} else {
$output .= ' <a href="'. get_permalink() . "#more-$id\">$more_link_text</a>";
}
}
if ($preview) { // preview fix for javascript bug with foreign languages
$output = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $output);
}
return $output;
}
function the_excerpt() {
echo apply_filters('the_excerpt', get_the_excerpt());
}
function the_excerpt_rss($cut = 0, $encode_html = 0) {
$output = get_the_excerpt(true);
$output = convert_chars($output);
if ($cut && !$encode_html) {
$encode_html = 2;
}
if ($encode_html == 1) {
$output = htmlspecialchars($output);
$cut = 0;
} elseif ($encode_html == 0) {
$output = make_url_footnote($output);
} elseif ($encode_html == 2) {
$output = strip_tags($output);
$output = str_replace('&', '&amp;', $output);
}
if ($cut) {
$excerpt = '';
$blah = explode(' ', $output);
if (count($blah) > $cut) {
$k = $cut;
$use_dotdotdot = 1;
} else {
$k = count($blah);
$use_dotdotdot = 0;
}
for ($i=0; $i<$k; $i++) {
$excerpt .= $blah[$i].' ';
}
$excerpt .= ($use_dotdotdot) ? '...' : '';
$output = $excerpt;
}
$output = str_replace(']]>', ']]&gt;', $output);
echo $output;
}
function get_the_excerpt($fakeit = true) {
global $id, $post;
global $cookiehash;
$output = '';
$output = stripslashes($post->post_excerpt);
if (!empty($post->post_password)) { // if there's a password
if ($_COOKIE['wp-postpass_'.$cookiehash] != $post->post_password) { // and it doesn't match the cookie
$output = __('There is no excerpt because this is a protected post.');
return $output;
}
}
// If we haven't got an excerpt, make one in the style of the rss ones
if (($output == '') && $fakeit) {
$output = $post->post_content;
$output = strip_tags($output);
$blah = explode(' ', $output);
$excerpt_length = 120;
if (count($blah) > $excerpt_length) {
$k = $excerpt_length;
$use_dotdotdot = 1;
} else {
$k = count($blah);
$use_dotdotdot = 0;
}
$excerpt = '';
for ($i=0; $i<$k; $i++) {
$excerpt .= $blah[$i].' ';
}
$excerpt .= ($use_dotdotdot) ? '...' : '';
$output = $excerpt;
} // end if no excerpt
return $output;
}
function link_pages($before='<br />', $after='<br />', $next_or_number='number', $nextpagelink='next page', $previouspagelink='previous page', $pagelink='%', $more_file='') {
global $id, $page, $numpages, $multipage, $more;
global $pagenow;
global $querystring_start, $querystring_equal, $querystring_separator;
if ($more_file != '') {
$file = $more_file;
} else {
$file = $pagenow;
}
if (($multipage)) {
if ($next_or_number=='number') {
echo $before;
for ($i = 1; $i < ($numpages+1); $i = $i + 1) {
$j=str_replace('%',"$i",$pagelink);
echo ' ';
if (($i != $page) || ((!$more) && ($page==1))) {
if ('' == get_settings('permalink_structure')) {
echo '<a href="'.get_permalink().$querystring_separator.'page'.$querystring_equal.$i.'">';
} else {
echo '<a href="'.get_permalink().$i.'/">';
}
}
echo $j;
if (($i != $page) || ((!$more) && ($page==1)))
echo '</a>';
}
echo $after;
} else {
if ($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, $p, $posts, $id, $post, $wpdb;
global $time_difference, $single;
global $querystring_start, $querystring_equal, $querystring_separator;
if(($p) || ($posts==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";
}
}
$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 $HTTP_SERVER_VARS, $p, $paged, $what_to_show, $pagenow;
global $querystring_start, $querystring_equal, $querystring_separator;
if (empty($p) && ($what_to_show == 'paged')) {
$qstr = $HTTP_SERVER_VARS['QUERY_STRING'];
if (!empty($qstr)) {
$qstr = preg_replace('/&paged=\d{0,}/', '', $qstr);
$qstr = preg_replace('/paged=\d{0,}/', '', $qstr);
} elseif (stristr($HTTP_SERVER_VARS['REQUEST_URI'], $HTTP_SERVER_VARS['SCRIPT_NAME'] )) {
if ('' != $qstr = str_replace($HTTP_SERVER_VARS['SCRIPT_NAME'], '',
$HTTP_SERVER_VARS['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 >= $nextpage) {
echo get_settings('siteurl') .'/'.$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 $HTTP_SERVER_VARS, $p, $paged, $what_to_show, $pagenow;
global $querystring_start, $querystring_equal, $querystring_separator;
if (empty($p) && ($what_to_show == 'paged')) {
$qstr = $HTTP_SERVER_VARS['QUERY_STRING'];
if (!empty($qstr)) {
$qstr = preg_replace('/&paged=\d{0,}/', '', $qstr);
$qstr = preg_replace('/paged=\d{0,}/', '', $qstr);
} elseif (stristr($HTTP_SERVER_VARS['REQUEST_URI'], $HTTP_SERVER_VARS['SCRIPT_NAME'] )) {
if ('' != $qstr = str_replace($HTTP_SERVER_VARS['SCRIPT_NAME'], '',
$HTTP_SERVER_VARS['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) $nextpage = 1;
echo get_settings('siteurl') .'/'.$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";
}
}
?>