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

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<?php
/* Note: these tags go anywhere in the template */
function wp_loginout() {
global $user_level;
get_currentuserinfo();
if (0 == $user_level) :
$link = '<a href="' . get_settings('siteurl') . '/wp-login.php">' . __('Login') . '</a>';
else :
$link = '<a href="' . get_settings('siteurl') . '/wp-login.php?action=logout">' . __('Logout') . '</a>';
endif;
echo apply_filters('loginout', $link);
}
function wp_register() {
global $user_level;
get_currentuserinfo();
if (0 == $user_level && get_settings('users_can_register') ) :
$link = '<a href="' . get_settings('siteurl') . '/wp-register.php">' . __('Register') . '</a>';
else :
$link = '<a href="' . get_settings('siteurl') . '/wp-admin/">' . __('Site Admin') . '</a>';
endif;
echo apply_filters('register', $link);
}
function wp_meta() {
do_action('wp_meta', 1);
}
function bloginfo($show='') {
$info = get_bloginfo($show);
$info = apply_filters('bloginfo', $info);
echo convert_chars($info);
}
function bloginfo_rss($show='') {
$info = strip_tags(get_bloginfo($show));
echo convert_chars($info);
}
function bloginfo_unicode($show='') {
$info = get_bloginfo($show);
echo convert_chars($info);
}
function get_bloginfo($show='') {
switch($show) {
case 'url' :
case 'home' :
case 'siteurl' :
$output = get_settings('home');
break;
case 'wpurl' :
$output = get_settings('siteurl');
break;
case 'description':
$output = get_settings('blogdescription');
break;
case 'rdf_url':
$output = get_feed_link('rdf');
break;
case 'rss_url':
$output = get_feed_link('rss');
break;
case 'rss2_url':
$output = get_feed_link('rss2');
break;
case 'atom_url':
$output = get_feed_link('atom');
break;
case 'comments_rss2_url':
$output = get_feed_link('comments_rss2');
break;
case 'pingback_url':
$output = get_settings('siteurl') .'/xmlrpc.php';
break;
case 'stylesheet_url':
$output = get_stylesheet();
if (empty($output) || $output == 'default') {
$output = get_settings('siteurl') . "/wp-layout.css";
} else {
$output = get_settings('siteurl') . "/wp-content/themes/$output/style.css";
}
break;
case 'stylesheet_directory':
$output = get_stylesheet();
if (empty($output) || $output == 'default') {
$output = get_settings('siteurl');
} else {
$output = get_settings('siteurl') . "/wp-content/themes/$output";
}
break;
case 'template_directory':
case 'template_url':
$output = get_template();
if (empty($output) || $output == 'default') {
$output = get_settings('siteurl');
} else {
$output = get_settings('siteurl') . "/wp-content/themes/$output";
}
break;
case 'admin_email':
$output = get_settings('admin_email');
break;
case 'charset':
$output = get_settings('blog_charset');
if ('' == $output) $output = 'UTF-8';
break;
case 'version':
global $wp_version;
$output = $wp_version;
break;
case 'name':
default:
$output = get_settings('blogname');
break;
}
return $output;
}
function wp_title($sep = '&raquo;', $display = true) {
global $wpdb;
global $m, $year, $monthnum, $day, $category_name, $month, $posts;
$cat = get_query_var('cat');
$p = get_query_var('p');
$name = get_query_var('name');
$category_name = get_query_var('category_name');
// If there's a category
if(!empty($cat)) {
if (!stristr($cat,'-')) { // category excluded
$title = get_the_category_by_ID($cat);
}
}
if (!empty($category_name)) {
if (stristr($category_name,'/')) {
$category_name = explode('/',$category_name);
if ($category_name[count($category_name)-1]) {
$category_name = $category_name[count($category_name)-1]; // no trailing slash
} else {
$category_name = $category_name[count($category_name)-2]; // there was a trailling slash
}
}
$title = $wpdb->get_var("SELECT cat_name FROM $wpdb->categories WHERE category_nicename = '$category_name'");
}
// If there's a month
if(!empty($m)) {
$my_year = substr($m, 0, 4);
$my_month = $month[substr($m, 4, 2)];
$title = "$my_year $sep $my_month";
}
if (!empty($year)) {
$title = $year;
if (!empty($monthnum)) {
$title .= " $sep ".$month[zeroise($monthnum, 2)];
}
if (!empty($day)) {
$title .= " $sep ".zeroise($day, 2);
}
}
// If there's a post
if (is_single() || is_page()) {
$title = strip_tags($posts[0]->post_title);
$title = apply_filters('single_post_title', $title);
}
// Send it out
if ($display && isset($title)) {
echo " $sep $title";
} elseif (!$display && isset($title)) {
return " $sep $title";
}
}
function single_post_title($prefix = '', $display = true) {
global $wpdb;
$p = get_query_var('p');
$name = get_query_var('name');
if (intval($p) || '' != $name) {
if (!$p) {
$p = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_name = '$name'");
}
$post_data = get_postdata($p);
$title = $post_data['Title'];
$title = apply_filters('single_post_title', $title);
if ($display) {
echo $prefix.strip_tags($title);
} else {
return strip_tags($title);
}
}
}
function single_cat_title($prefix = '', $display = true ) {
$cat = get_query_var('cat');
if(!empty($cat) && !(strtoupper($cat) == 'ALL')) {
$my_cat_name = get_the_category_by_ID($cat);
if(!empty($my_cat_name)) {
if ($display)
echo $prefix.strip_tags($my_cat_name);
else
return strip_tags($my_cat_name);
}
}
}
function single_month_title($prefix = '', $display = true ) {
global $m, $monthnum, $month, $year;
if(!empty($monthnum) && !empty($year)) {
$my_year = $year;
$my_month = $month[$monthnum];
} elseif(!empty($m)) {
$my_year = substr($m, 0, 4);
$my_month = $month[substr($m, 4, 2)];
}
if (!empty($my_month) && $display) {
echo $prefix . $my_month . $prefix . $my_year;
} else {
return $monthnum;
}
}
/* link navigation hack by Orien http://icecode.com/ */
function get_archives_link($url, $text, $format = 'html', $before = '', $after = '') {
$text = wptexturize($text);
$title_text = wp_specialchars($text, 1);
if ('link' == $format) {
return "\t<link rel='archives' title='$title_text' href='$url' />\n";
} elseif ('option' == $format) {
return "\t<option value='$url'>$text</option>\n";
} elseif ('html' == $format) {
return "\t<li>$before<a href='$url' title='$title_text'>$text</a>$after</li>\n";
} else { // custom
return "\t$before<a href='$url' title='$title_text'>$text</a>$after\n";
}
}
function wp_get_archives($args = '') {
parse_str($args, $r);
if (!isset($r['type'])) $r['type'] = '';
if (!isset($r['limit'])) $r['limit'] = '';
if (!isset($r['format'])) $r['format'] = 'html';
if (!isset($r['before'])) $r['before'] = '';
if (!isset($r['after'])) $r['after'] = '';
if (!isset($r['show_post_count'])) $r['show_post_count'] = false;
get_archives($r['type'], $r['limit'], $r['format'], $r['before'], $r['after'], $r['show_post_count']);
}
function get_archives($type='', $limit='', $format='html', $before = '', $after = '', $show_post_count = false) {
global $querystring_start, $querystring_equal, $querystring_separator, $month, $wpdb;
if ('' == $type) {
$type = 'monthly';
}
if ('' != $limit) {
$limit = (int) $limit;
$limit = ' LIMIT '.$limit;
}
// this is what will separate dates on weekly archive links
$archive_week_separator = '&#8211;';
// archive link url
$archive_link_m = get_settings('siteurl').'/'.get_settings('blogfilename').$querystring_start.'m'.$querystring_equal; # monthly archive;
$archive_link_w = get_settings('siteurl').'/'.get_settings('blogfilename').$querystring_start.'w'.$querystring_equal; # weekly archive;
$archive_link_p = get_settings('siteurl').'/'.get_settings('blogfilename').$querystring_start.'p'.$querystring_equal; # post-by-post archive;
// over-ride general date format ? 0 = no: use the date format set in Options, 1 = yes: over-ride
$archive_date_format_over_ride = 0;
// options for daily archive (only if you over-ride the general date format)
$archive_day_date_format = 'Y/m/d';
// options for weekly archive (only if you over-ride the general date format)
$archive_week_start_date_format = 'Y/m/d';
$archive_week_end_date_format = 'Y/m/d';
if (!$archive_date_format_over_ride) {
$archive_day_date_format = get_settings('date_format');
$archive_week_start_date_format = get_settings('date_format');
$archive_week_end_date_format = get_settings('date_format');
}
$add_hours = intval(get_settings('gmt_offset'));
$add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
$now = current_time('mysql');
if ('monthly' == $type) {
$arcresults = $wpdb->get_results("SELECT DISTINCT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts WHERE post_date < '$now' AND post_status = 'publish' GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date DESC" . $limit);
if ($arcresults) {
$afterafter = $after;
foreach ($arcresults as $arcresult) {
$url = get_month_link($arcresult->year, $arcresult->month);
if ($show_post_count) {
$text = sprintf('%s %d', $month[zeroise($arcresult->month,2)], $arcresult->year);
$after = '&nbsp;('.$arcresult->posts.')' . $afterafter;
} else {
$text = sprintf('%s %d', $month[zeroise($arcresult->month,2)], $arcresult->year);
}
echo get_archives_link($url, $text, $format, $before, $after);
}
}
} elseif ('daily' == $type) {
$arcresults = $wpdb->get_results("SELECT DISTINCT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth` FROM $wpdb->posts WHERE post_date < '$now' AND post_status = 'publish' ORDER BY post_date DESC" . $limit);
if ($arcresults) {
foreach ($arcresults as $arcresult) {
$url = get_day_link($arcresult->year, $arcresult->month, $arcresult->dayofmonth);
$date = sprintf("%d-%02d-%02d 00:00:00", $arcresult->year, $arcresult->month, $arcresult->dayofmonth);
$text = mysql2date($archive_day_date_format, $date);
echo get_archives_link($url, $text, $format, $before, $after);
}
}
} elseif ('weekly' == $type) {
$start_of_week = get_settings('start_of_week');
$arcresults = $wpdb->get_results("SELECT DISTINCT WEEK(post_date, $start_of_week) AS `week`, YEAR(post_date) AS yr, DATE_FORMAT(post_date, '%Y-%m-%d') AS yyyymmdd FROM $wpdb->posts WHERE post_date < '$now' AND post_status = 'publish' ORDER BY post_date DESC" . $limit);
$arc_w_last = '';
if ($arcresults) {
foreach ($arcresults as $arcresult) {
if ($arcresult->week != $arc_w_last) {
$arc_year = $arcresult->yr;
$arc_w_last = $arcresult->week;
$arc_week = get_weekstartend($arcresult->yyyymmdd, get_settings('start_of_week'));
$arc_week_start = date_i18n($archive_week_start_date_format, $arc_week['start']);
$arc_week_end = date_i18n($archive_week_end_date_format, $arc_week['end']);
$url = sprintf('%s/%s%sm%s%s%sw%s%d', get_settings('home'), get_settings('blogfilename'), $querystring_start,
$querystring_equal, $arc_year, $querystring_separator,
$querystring_equal, $arcresult->week);
$text = $arc_week_start . $archive_week_separator . $arc_week_end;
echo get_archives_link($url, $text, $format, $before, $after);
}
}
}
} elseif ('postbypost' == $type) {
$arcresults = $wpdb->get_results("SELECT ID, post_date, post_title FROM $wpdb->posts WHERE post_date < '$now' AND post_status = 'publish' ORDER BY post_date DESC" . $limit);
if ($arcresults) {
foreach ($arcresults as $arcresult) {
if ($arcresult->post_date != '0000-00-00 00:00:00') {
$url = get_permalink($arcresult->ID);
$arc_title = $arcresult->post_title;
if ($arc_title) {
$text = strip_tags($arc_title);
} else {
$text = $arcresult->ID;
}
echo get_archives_link($url, $text, $format, $before, $after);
}
}
}
}
}
// Used in get_calendar
function calendar_week_mod($num) {
$base = 7;
return ($num - $base*floor($num/$base));
}
function get_calendar($daylength = 1) {
global $wpdb, $m, $monthnum, $year, $timedifference, $month, $month_abbrev, $weekday, $weekday_initial, $weekday_abbrev, $posts;
// Quick check. If we have no posts at all, abort!
if (!$posts) {
$gotsome = $wpdb->get_var("SELECT ID from $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date DESC LIMIT 1");
if (!$gotsome)
return;
}
if (isset($_GET['w'])) {
$w = ''.intval($_GET['w']);
}
// week_begins = 0 stands for sunday
$week_begins = intval(get_settings('start_of_week'));
$add_hours = intval(get_settings('gmt_offset'));
$add_minutes = intval(60 * (get_settings('gmt_offset') - $add_hours));
// Let's figure out when we are
if (!empty($monthnum) && !empty($year)) {
$thismonth = ''.zeroise(intval($monthnum), 2);
$thisyear = ''.intval($year);
} elseif (!empty($w)) {
// We need to get the month from MySQL
$thisyear = ''.intval(substr($m, 0, 4));
$d = (($w - 1) * 7) + 6; //it seems MySQL's weeks disagree with PHP's
$thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('${thisyear}0101', INTERVAL $d DAY) ), '%m')");
} elseif (!empty($m)) {
$calendar = substr($m, 0, 6);
$thisyear = ''.intval(substr($m, 0, 4));
if (strlen($m) < 6) {
$thismonth = '01';
} else {
$thismonth = ''.zeroise(intval(substr($m, 4, 2)), 2);
}
} else {
$thisyear = gmdate('Y', current_time('timestamp') + get_settings('gmt_offset') * 3600);
$thismonth = gmdate('m', current_time('timestamp') + get_settings('gmt_offset') * 3600);
}
$unixmonth = mktime(0, 0 , 0, $thismonth, 1, $thisyear);
// Get the next and previous month and year with at least one post
$previous = $wpdb->get_row("SELECT DISTINCT MONTH(post_date) AS month, YEAR(post_date) AS year
FROM $wpdb->posts
WHERE post_date < '$thisyear-$thismonth-01'
AND post_status = 'publish'
ORDER BY post_date DESC
LIMIT 1");
$next = $wpdb->get_row("SELECT DISTINCT MONTH(post_date) AS month, YEAR(post_date) AS year
FROM $wpdb->posts
WHERE post_date > '$thisyear-$thismonth-01'
AND MONTH( post_date ) != MONTH( '$thisyear-$thismonth-01' )
AND post_status = 'publish'
ORDER BY post_date ASC
LIMIT 1");
echo '<table id="wp-calendar">
<caption>' . $month[zeroise($thismonth, 2)] . ' ' . date('Y', $unixmonth) . '</caption>
<thead>
<tr>';
$day_abbrev = $weekday_initial;
if ($daylength > 1) {
$day_abbrev = $weekday_abbrev;
}
$myweek = array();
for ($wdcount=0; $wdcount<=6; $wdcount++) {
$myweek[]=$weekday[($wdcount+$week_begins)%7];
}
foreach ($myweek as $wd) {
echo "\n\t\t<th abbr=\"$wd\" scope=\"col\" title=\"$wd\">" . $day_abbrev[$wd] . '</th>';
}
echo '
</tr>
</thead>
<tfoot>
<tr>';
if ($previous) {
echo "\n\t\t".'<td abbr="' . $month[zeroise($previous->month, 2)] . '" colspan="3" id="prev"><a href="' .
get_month_link($previous->year, $previous->month) . '" title="' . sprintf(__('View posts for %1$s %2$s'), $month[zeroise($previous->month, 2)], date('Y', mktime(0, 0 , 0, $previous->month, 1, $previous->year))) . '">&laquo; ' . $month_abbrev[$month[zeroise($previous->month, 2)]] . '</a></td>';
} else {
echo "\n\t\t".'<td colspan="3" id="prev" class="pad">&nbsp;</td>';
}
echo "\n\t\t".'<td class="pad">&nbsp;</td>';
if ($next) {
echo "\n\t\t".'<td abbr="' . $month[zeroise($next->month, 2)] . '" colspan="3" id="next"><a href="' .
get_month_link($next->year, $next->month) . '" title="View posts for ' . $month[zeroise($next->month, 2)] . ' ' .
date('Y', mktime(0, 0 , 0, $next->month, 1, $next->year)) . '">' . $month_abbrev[$month[zeroise($next->month, 2)]] . ' &raquo;</a></td>';
} else {
echo "\n\t\t".'<td colspan="3" id="next" class="pad">&nbsp;</td>';
}
echo '
</tr>
</tfoot>
<tbody>
<tr>';
// Get days with posts
$dayswithposts = $wpdb->get_results("SELECT DISTINCT DAYOFMONTH(post_date)
FROM $wpdb->posts WHERE MONTH(post_date) = $thismonth
AND YEAR(post_date) = $thisyear
AND post_status = 'publish'
AND post_date < '" . current_time('mysql') . '\'', ARRAY_N);
if ($dayswithposts) {
foreach ($dayswithposts as $daywith) {
$daywithpost[] = $daywith[0];
}
} else {
$daywithpost = array();
}
if (strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE') ||
strstr(strtolower($_SERVER['HTTP_USER_AGENT']), 'camino') ||
strstr(strtolower($_SERVER['HTTP_USER_AGENT']), 'safari')) {
$ak_title_separator = "\n";
} else {
$ak_title_separator = ', ';
}
$ak_titles_for_day = array();
$ak_post_titles = $wpdb->get_results("SELECT post_title, DAYOFMONTH(post_date) as dom "
."FROM $wpdb->posts "
."WHERE YEAR(post_date) = '$thisyear' "
."AND MONTH(post_date) = '$thismonth' "
."AND post_date < '".current_time('mysql')."' "
."AND post_status = 'publish'"
);
if ($ak_post_titles) {
foreach ($ak_post_titles as $ak_post_title) {
if (empty($ak_titles_for_day['day_'.$ak_post_title->dom])) {
$ak_titles_for_day['day_'.$ak_post_title->dom] = '';
}
if (empty($ak_titles_for_day["$ak_post_title->dom"])) { // first one
$ak_titles_for_day["$ak_post_title->dom"] = str_replace('"', '&quot;', wptexturize($ak_post_title->post_title));
} else {
$ak_titles_for_day["$ak_post_title->dom"] .= $ak_title_separator . str_replace('"', '&quot;', wptexturize($ak_post_title->post_title));
}
}
}
// See how much we should pad in the beginning
$pad = calendar_week_mod(date('w', $unixmonth)-$week_begins);
if (0 != $pad) echo "\n\t\t".'<td colspan="'.$pad.'" class="pad">&nbsp;</td>';
$daysinmonth = intval(date('t', $unixmonth));
for ($day = 1; $day <= $daysinmonth; ++$day) {
if (isset($newrow) && $newrow)
echo "\n\t</tr>\n\t<tr>\n\t\t";
$newrow = false;
if ($day == gmdate('j', (time() + (get_settings('gmt_offset') * 3600))) && $thismonth == gmdate('m', time()+(get_settings('gmt_offset') * 3600)) && $thisyear == gmdate('Y', time()+(get_settings('gmt_offset') * 3600)))
echo '<td id="today">';
else
echo '<td>';
if (in_array($day, $daywithpost)) { // any posts today?
echo '<a href="' . get_day_link($thisyear, $thismonth, $day) . "\" title=\"$ak_titles_for_day[$day]\">$day</a>";
} else {
echo $day;
}
echo '</td>';
if (6 == calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins))
$newrow = true;
}
$pad = 7 - calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins);
if ($pad != 0 && $pad != 7)
echo "\n\t\t".'<td class="pad" colspan="'.$pad.'">&nbsp;</td>';
echo "\n\t</tr>\n\t</tbody>\n\t</table>";
}
function allowed_tags() {
global $allowedtags;
$allowed = '';
foreach($allowedtags as $tag => $attributes) {
$allowed .= '<'.$tag;
if (0 < count($attributes)) {
foreach ($attributes as $attribute => $limits) {
$allowed .= ' '.$attribute.'=""';
}
}
$allowed .= '> ';
}
return htmlentities($allowed);
}
/***** Date/Time tags *****/
function the_date_xml() {
global $post;
echo mysql2date('Y-m-d', $post->post_date);
//echo ""+$post->post_date;
}
function the_date($d='', $before='', $after='', $echo = true) {
global $id, $post, $day, $previousday, $newday;
$the_date = '';
if ($day != $previousday) {
$the_date .= $before;
if ($d=='') {
$the_date .= mysql2date(get_settings('date_format'), $post->post_date);
} else {
$the_date .= mysql2date($d, $post->post_date);
}
$the_date .= $after;
$previousday = $day;
}
$the_date = apply_filters('the_date', $the_date);
if ($echo) {
echo $the_date;
} else {
return $the_date;
}
}
function the_time($d='', $echo = true) {
global $id, $post;
if ($d=='') {
$the_time = mysql2date(get_settings('time_format'), $post->post_date);
} else {
$the_time = mysql2date($d, $post->post_date);
}
$the_time = apply_filters('the_time', $the_time);
if ($echo) {
echo $the_time;
} else {
return $the_time;
}
}
function the_weekday() {
global $weekday, $id, $post;
$the_weekday = $weekday[mysql2date('w', $post->post_date)];
$the_weekday = apply_filters('the_weekday', $the_weekday);
echo $the_weekday;
}
function the_weekday_date($before='',$after='') {
global $weekday, $id, $post, $day, $previousweekday;
$the_weekday_date = '';
if ($day != $previousweekday) {
$the_weekday_date .= $before;
$the_weekday_date .= $weekday[mysql2date('w', $post->post_date)];
$the_weekday_date .= $after;
$previousweekday = $day;
}
$the_weekday_date = apply_filters('the_weekday_date', $the_weekday_date);
echo $the_weekday_date;
}
?>
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