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

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<?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', '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, $before, $after);
if ($echo)
echo $title;
else
return $title;
}
}
function get_the_title($id = 0) {
global $post, $wpdb;
if ( 0 != $id ) {
$id_post = $wpdb->get_row("SELECT post_title, post_password FROM $wpdb->posts WHERE ID = $id");
$title = $id_post->post_title;
if (!empty($id_post->post_password))
$title = sprintf(__('Protected: %s'), $title);
}
else {
$title = $post->post_title;
if (!empty($post->post_password))
$title = sprintf(__('Protected: %s'), $title);
}
return $title;
}
function get_the_guid( $id = 0 ) {
global $post, $wpdb;
$guid = $post->guid;
if ( 0 != $id )
$guid = $wpdb->get_var("SELECT guid FROM $wpdb->posts WHERE ID = $id");
$guid = apply_filters('get_the_guid', $guid);
return $guid;
}
function the_guid( $id = 0 ) {
echo get_the_guid();
}
function the_content($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 $content;
}
function get_the_content($more_link_text = '(more...)', $stripteaser = 0, $more_file = '') {
global $id, $post, $more, $single, $withcomments, $page, $pages, $multipage, $numpages;
global $preview;
global $pagenow;
$output = '';
if (!empty($post->post_password)) { // if there's a password
if (stripslashes($_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 = $pagenow; //$_SERVER['PHP_SELF'];
}
$content = $pages[$page-1];
$content = explode('<!--more-->', $content, 2);
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 $output;
}
function the_excerpt() {
echo apply_filters('the_excerpt', get_the_excerpt());
}
function get_the_excerpt($fakeit = true) {
global $id, $post;
$output = '';
$output = $post->post_excerpt;
if (!empty($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 $output;
}
function wp_link_pages($args = '') {
parse_str($args, $r);
if (!isset($r['before'])) $r['before'] = '<p>' . __('Pages:');
if (!isset($r['after'])) $r['after'] = '</p>';
if (!isset($r['next_or_number'])) $r['next_or_number'] = 'number';
if (!isset($r['nextpagelink'])) $r['nextpagelink'] = 'Next page';
if (!isset($r['previouspagelink'])) $r['previouspagelink'] = 'Previous page';
if (!isset($r['pagelink'])) $r['pagelink'] = '%';
if (!isset($r['more_file'])) $r['more_file'] = '';
link_pages($r['before'], $r['after'], $r['next_or_number'], $r['nextpagelink'], $r['previouspagelink'], $r['pagelink'], $r['more_file']);
}
function link_pages($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.'">'.$previouspagelink.'</a>';
} else {
echo '<a href="'.get_permalink().$i.'/">'.$previouspagelink.'</a>';
}
}
$i=$page+1;
if ($i<=$numpages && $more) {
if ('' == get_settings('permalink_structure')) {
echo '<a href="'.get_permalink().$querystring_separator.'page'.$querystring_equal.$i.'">'.$nextpagelink.'</a>';
} else {
echo '<a href="'.get_permalink().$i.'/">'.$nextpagelink.'</a>';
}
}
echo $after;
}
}
}
}
/*
* 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];
}
function post_custom( $key = '' ) {
if ( 1 == count($post_meta_cache[$id][$key]) ) return $post_meta_cache[$id][$key][0];
else 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> $value</li>\n";
}
echo "</ul>\n";
}
}
//
// Pages
//
function get_pages($args = '') {
global $wpdb;
parse_str($args, $r);
if (!isset($r['child_of'])) $r['child_of'] = 0;
if (!isset($r['sort_column'])) $r['sort_column'] = 'post_title';
if (!isset($r['sort_order'])) $r['sort_order'] = 'ASC';
$exclusions = '';
if (!empty($r['exclude'])) {
$expages = preg_split('/[\s,]+/',$r['exclude']);
if (count($expages)) {
foreach ($expages as $expage) {
$exclusions .= ' AND ID <> ' . intval($expage) . ' ';
}
}
}
$dates = ",UNIX_TIMESTAMP(post_modified) AS time_modified";
$dates .= ",UNIX_TIMESTAMP(post_date) AS time_created";
$post_parent = '';
if ($r['child_of']) {
$post_parent = ' AND post_parent=' . $r['child_of'] . ' ';
}
$pages = $wpdb->get_results("SELECT " .
"ID, post_title,post_parent " .
"$dates " .
"FROM $wpdb->posts " .
"WHERE post_status = 'static' " .
"$post_parent" .
"$exclusions " .
"ORDER BY " . $r['sort_column'] . " " . $r['sort_order']);
return $pages;
}
function wp_list_pages($args = '') {
parse_str($args, $r);
if (!isset($r['depth'])) $r['depth'] = 0;
if (!isset($r['show_date'])) $r['show_date'] = '';
if (!isset($r['child_of'])) $r['child_of'] = 0;
if ( !isset($r['title_li']) ) $r['title_li'] = __('Pages');
// Query pages.
$pages = get_pages($args);
if ( $pages ) :
if ( $r['title_li'] )
echo '<li>' . $r['title_li'] . '<ul>';
// Now loop over all pages that were selected
$page_tree = Array();
foreach($pages as $page) {
// set the title for the current page
$page_tree[$page->ID]['title'] = $page->post_title;
// set the selected date for the current page
// depending on the query arguments this is either
// the createtion date or the modification date
// as a unix timestamp. It will also always be in the
// ts field.
if (! empty($r['show_date'])) {
if ('modified' == $r['show_date'])
$page_tree[$page->ID]['ts'] = $page->time_modified;
else
$page_tree[$page->ID]['ts'] = $page->time_created;
}
// The tricky bit!!
// Using the parent ID of the current page as the
// array index we set the curent page as a child of that page.
// We can now start looping over the $page_tree array
// with any ID which will output the page links from that ID downwards.
$page_tree[$page->post_parent]['children'][] = $page->ID;
}
// Output of the pages starting with child_of as the root ID.
// child_of defaults to 0 if not supplied in the query.
_page_level_out($r['child_of'],$page_tree, $r);
if ( $r['title_li'] )
echo '</ul></li>';
endif;
}
function _page_level_out($parent, $page_tree, $args, $depth = 0) {
global $wp_query;
$queried_obj = $wp_query->get_queried_object();
if($depth)
$indent = str_repeat("\t", $depth);
//$indent = join('', array_fill(0,$depth,"\t"));
foreach($page_tree[$parent]['children'] as $page_id) {
$cur_page = $page_tree[$page_id];
$title = $cur_page['title'];
$css_class = 'page_item';
if( $page_id == $queried_obj->ID) {
$css_class .= ' current_page_item';
}
echo $indent . '<li class="' . $css_class . '"><a href="' . get_page_link($page_id) . '" title="' . wp_specialchars($title) . '">' . $title . '</a>';
if(isset($cur_page['ts'])) {
$format = get_settings('date_format');
if(isset($args['date_format']))
$format = $args['date_format'];
echo " " . gmdate($format,$cur_page['ts']);
}
echo "\n";
if(isset($cur_page['children']) && is_array($cur_page['children'])) {
echo "$indent<ul>\n";
$new_depth = $depth + 1;
if(!$args['depth'] || $depth < ($args['depth']-1)) {
_page_level_out($page_id,$page_tree, $args, $new_depth);
}
echo "$indent</ul>\n";
}
echo "$indent</li>\n";
}
}
?>