template-functions-general.php

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<?php

/* Note: these tags go anywhere in the template */

function get_header() {
	if ( file_exists( TEMPLATEPATH . '/header.php') )
		load_template( TEMPLATEPATH . '/header.php');
	else
		load_template( ABSPATH . 'wp-content/themes/default/header.php');
}


function get_footer() {
	if ( file_exists( TEMPLATEPATH . '/footer.php') )
		load_template( TEMPLATEPATH . '/footer.php');
	else
		load_template( ABSPATH . 'wp-content/themes/default/footer.php');
}


function get_sidebar() {
	if ( file_exists( TEMPLATEPATH . '/sidebar.php') )
		load_template( TEMPLATEPATH . '/sidebar.php');
	else
		load_template( ABSPATH . 'wp-content/themes/default/sidebar.php');
}


function wp_loginout() {
	if ( ! is_user_logged_in() )
		$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>';

	echo apply_filters('loginout', $link);
}


function wp_register( $before = '<li>', $after = '</li>' ) {

	if ( ! is_user_logged_in() ) {
		if ( get_settings('users_can_register') )
			$link = $before . '<a href="' . get_settings('siteurl') . '/wp-register.php">' . __('Register') . '</a>' . $after;
		else
			$link = '';
	} else {
		$link = $before . '<a href="' . get_settings('siteurl') . '/wp-admin/">' . __('Site Admin') . '</a>' . $after;
	}

	echo apply_filters('register', $link);
}


function wp_meta() {
	do_action('wp_meta');
}


function bloginfo($show='') {
	$info = get_bloginfo($show);
	if (!strstr($show, 'url') && //don't filter URLs
		!strstr($show, 'directory') &&
		!strstr($show, 'home')) {
		$info = apply_filters('bloginfo', $info, $show);
		$info = convert_chars($info);
	}

	echo $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_uri();
			break;
		case 'stylesheet_directory':
			$output = get_stylesheet_directory_uri();
			break;
		case 'template_directory':
		case 'template_url':
			$output = get_template_directory_uri();
			break;
		case 'admin_email':
			$output = get_settings('admin_email');
			break;
		case 'charset':
			$output = get_settings('blog_charset');
			if ('' == $output) $output = 'UTF-8';
			break;
		case 'html_type' :
			$output = get_option('html_type');
			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');
	$author = get_query_var('author');
	$author_name = get_query_var('author_name');

	// If there's a category
	if ( !empty($cat) ) {
			// category exclusion
			if ( !stristr($cat,'-') )
				$title = get_the_category_by_ID($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 an author
	if ( !empty($author) ) {
		$title = get_userdata($author);
		$title = $title->display_name;
	}
	if ( !empty($author_name) ) {
		// We do a direct query here because we don't cache by nicename.
		$title = $wpdb->get_var("SELECT display_name FROM $wpdb->users WHERE user_nicename = '$author_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 is a post
	if ( is_single() || is_page() ) {
		$title = strip_tags($posts[0]->post_title);
		$title = apply_filters('single_post_title', $title);
	}

	$prefix = '';
	if ( isset($title) )
		$prefix = " $sep ";

	$title = $prefix . $title;
	$title = apply_filters('wp_title', $title, $sep);

	// Send it out
	if ( $display )
		echo $title;
	else
		return $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'");
		$post = & get_post($p);
		$title = $post->post_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 ) {
	$cat = intval( get_query_var('cat') );
	if ( !empty($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 = $month[str_pad($monthnum, 2, '0', STR_PAD_LEFT)];
	} 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'>$before $text $after</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 $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;';

	// 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_date != '0000-00-00 00:00:00' AND post_status = 'publish' ".( (wp_xoops_ismu() && !empty($GLOBALS["wp_xoops_author"])) ? " AND post_author = " . intval($GLOBALS["wp_xoops_author"]) : "" )." 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_date != '0000-00-00 00:00:00' AND post_status = 'publish'".( (wp_xoops_ismu() && !empty($GLOBALS["wp_xoops_author"])) ? " AND post_author = " . intval($GLOBALS["wp_xoops_author"]) : "" )." 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 ) {