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<?php
/*
 * File: Fixed 'wp-includes/general-template.php' file
 *
 * Article: HOW TO: Build a XHTML Valid Wordpress Blog with DISQUS Plugin
 * URL: http://blog.thoughtpick.com/2009/10/how-to-build-xhtml-valid-wordpress.html
 *
 */
?><?php
/**
 * General template tags that can go anywhere in a template.
 *
 * @package WordPress
 * @subpackage Template
 */

/**
 * Load header template.
 *
 * Includes the header template for a theme or if a name is specified then a
 * specialised header will be included. If the theme contains no header.php file
 * then the header from the default theme will be included.
 *
 * For the parameter, if the file is called "header-special.php" then specify
 * "special".
 *
 * @uses locate_template()
 * @since 1.5.0
 * @uses do_action() Calls 'get_header' action.
 *
 * @param string $name The name of the specialised header.
 */
function get_header( $name = null ) {
	do_action( 'get_header', $name );

$templates = array();
	if ( isset($name) )
		$templates[] = "header-{$name}.php";

$templates[] = "header.php";

if ('' == locate_template($templates, true))
		load_template( get_theme_root() . '/default/header.php');
}

/**
 * Load footer template.
 *
 * Includes the footer template for a theme or if a name is specified then a
 * specialised footer will be included. If the theme contains no footer.php file
 * then the footer from the default theme will be included.
 *
 * For the parameter, if the file is called "footer-special.php" then specify
 * "special".
 *
 * @uses locate_template()
 * @since 1.5.0
 * @uses do_action() Calls 'get_footer' action.
 *
 * @param string $name The name of the specialised footer.
 */
function get_footer( $name = null ) {
	do_action( 'get_footer', $name );

$templates = array();
	if ( isset($name) )
		$templates[] = "footer-{$name}.php";

$templates[] = "footer.php";

if ('' == locate_template($templates, true))
		load_template( get_theme_root() . '/default/footer.php');
}

/**
 * Load sidebar template.
 *
 * Includes the sidebar template for a theme or if a name is specified then a
 * specialised sidebar will be included. If the theme contains no sidebar.php
 * file then the sidebar from the default theme will be included.
 *
 * For the parameter, if the file is called "sidebar-special.php" then specify
 * "special".
 *
 * @uses locate_template()
 * @since 1.5.0
 * @uses do_action() Calls 'get_sidebar' action.
 *
 * @param string $name The name of the specialised sidebar.
 */
function get_sidebar( $name = null ) {
	do_action( 'get_sidebar', $name );

$templates = array();
	if ( isset($name) )
		$templates[] = "sidebar-{$name}.php";

$templates[] = "sidebar.php";

if ('' == locate_template($templates, true))
		load_template( get_theme_root() . '/default/sidebar.php');
}

/**
 * Display search form.
 *
 * Will first attempt to locate the searchform.php file in either the child or
 * the parent, then load it. If it doesn't exist, then the default search form
 * will be displayed. The default search form is HTML, which will be displayed.
 * There is a filter applied to the search form HTML in order to edit or replace
 * it. The filter is 'get_search_form'.
 *
 * This function is primarily used by themes which want to hardcode the search
 * form into the sidebar and also by the search widget in WordPress.
 *
 * There is also an action that is called whenever the function is run called,
 * 'get_search_form'. This can be useful for outputting JavaScript that the
 * search relies on or various formatting that applies to the beginning of the
 * search. To give a few examples of what it can be used for.
 *
 * @since 2.7.0
 */
function get_search_form() {
	do_action( 'get_search_form' );

$search_form_template = locate_template(array('searchform.php'));
	if ( '' != $search_form_template ) {
		require($search_form_template);
		return;
	}

$form = '<form method="get" id="searchform" action="' . get_option('home') . '/" >
	<div><label class="screen-reader-text" for="s">' . __('Search for:') . '</label>
	<input type="text" value="' . esc_attr(apply_filters('the_search_query', get_search_query())) . '" name="s" id="s" />
	<input type="submit" id="searchsubmit" value="'. esc_attr__('Search') .'" />
	</div>
	</form>';

echo apply_filters('get_search_form', $form);
}

/**
 * Display the Log In/Out link.
 *
 * Displays a link, which allows the user to navigate to the Log In page to log in
 * or log out depending on whether or not they are currently logged in.
 *
 * @since 1.5.0
 * @uses apply_filters() Calls 'loginout' hook on HTML link content.
 *
 * @param string $redirect Optional path to redirect to on login/logout.
 */
function wp_loginout($redirect = '') {
	if ( ! is_user_logged_in() )
		$link = '<a href="' . esc_url( wp_login_url($redirect) ) . '">' . __('Log in') . '</a>';
	else
		$link = '<a href="' . esc_url( wp_logout_url($redirect) ) . '">' . __('Log out') . '</a>';

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

/**
 * Returns the Log Out URL.
 *
 * Returns the URL that allows the user to log out of the site
 *
 * @since 2.7
 * @uses wp_nonce_url() To protect against CSRF
 * @uses site_url() To generate the log in URL
 * @uses apply_filters() calls 'logout_url' hook on final logout url
 *
 * @param string $redirect Path to redirect to on logout.
 */
function wp_logout_url($redirect = '') {
	$args = array( 'action' => 'logout' );
	if ( !empty($redirect) ) {
		$args['redirect_to'] = $redirect;
	}

$logout_url = add_query_arg($args, site_url('wp-login.php', 'login'));
	$logout_url = wp_nonce_url( $logout_url, 'log-out' );

return apply_filters('logout_url', $logout_url, $redirect);
}

/**
 * Returns the Log In URL.
 *
 * Returns the URL that allows the user to log in to the site
 *
 * @since 2.7
 * @uses site_url() To generate the log in URL
 * @uses apply_filters() calls 'login_url' hook on final login url
 *
 * @param string $redirect Path to redirect to on login.
 */
function wp_login_url($redirect = '') {
	$login_url = site_url('wp-login.php', 'login');

if ( !empty($redirect) ) {
		$login_url = add_query_arg('redirect_to', urlencode($redirect), $login_url);
	}

return apply_filters('login_url', $login_url, $redirect);
}

/**
 * Returns the Lost Password URL.
 *
 * Returns the URL that allows the user to retrieve the lost password
 *
 * @since 2.8.0
 * @uses site_url() To generate the lost password URL
 * @uses apply_filters() calls 'lostpassword_url' hook on the lostpassword url
 *
 * @param string $redirect Path to redirect to on login.
 */
function wp_lostpassword_url($redirect = '') {
	$args = array( 'action' => 'lostpassword' );
	if ( !empty($redirect) ) {
		$args['redirect_to'] = $redirect;
	}

$lostpassword_url = add_query_arg($args, site_url('wp-login.php', 'login'));
	return apply_filters('lostpassword_url', $lostpassword_url, $redirect);
}

/**
 * Display the Registration or Admin link.
 *
 * Display a link which allows the user to navigate to the registration page if
 * not logged in and registration is enabled or to the dashboard if logged in.
 *
 * @since 1.5.0
 * @uses apply_filters() Calls 'register' hook on register / admin link content.
 *
 * @param string $before Text to output before the link (defaults to <li>).
 * @param string $after Text to output after the link (defaults to </li>).
 */
function wp_register( $before = '<li>', $after = '</li>' ) {

if ( ! is_user_logged_in() ) {
		if ( get_option('users_can_register') )
			$link = $before . '<a href="' . site_url('wp-login.php?action=register', 'login') . '">' . __('Register') . '</a>' . $after;
		else
			$link = '';
	} else {
		$link = $before . '<a href="' . admin_url() . '">' . __('Site Admin') . '</a>' . $after;
	}

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

/**
 * Theme container function for the 'wp_meta' action.
 *
 * The 'wp_meta' action can have several purposes, depending on how you use it,
 * but one purpose might have been to allow for theme switching.
 *
 * @since 1.5.0
 * @link http://trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action.
 * @uses do_action() Calls 'wp_meta' hook.
 */
function wp_meta() {
	do_action('wp_meta');
}

/**
 * Display information about the blog.
 *
 * @see get_bloginfo() For possible values for the parameter.
 * @since 0.71
 *
 * @param string $show What to display.
 */
function bloginfo($show='') {
	echo get_bloginfo($show, 'display');
}

/**
 * Retrieve information about the blog.
 *
 * Some show parameter values are deprecated and will be removed in future
 * versions. Care should be taken to check the function contents and know what
 * the deprecated blog info options are. Options without "// DEPRECATED" are
 * the preferred and recommended ways to get the information.
 *
 * The possible values for the 'show' parameter are listed below.
 * <ol>
 * <li><strong>url<strong> - Blog URI to homepage.</li>
 * <li><strong>wpurl</strong> - Blog URI path to WordPress.</li>
 * <li><strong>description</strong> - Secondary title</li>
 * </ol>
 *
 * The feed URL options can be retrieved from 'rdf_url' (RSS 0.91),
 * 'rss_url' (RSS 1.0), 'rss2_url' (RSS 2.0), or 'atom_url' (Atom feed). The
 * comment feeds can be retrieved from the 'comments_atom_url' (Atom comment
 * feed) or 'comments_rss2_url' (RSS 2.0 comment feed).
 *
 * There are many other options and you should check the function contents:
 * {@source 32 37}
 *
 * @since 0.71
 *
 * @param string $show Blog info to retrieve.
 * @param string $filter How to filter what is retrieved.
 * @return string Mostly string values, might be empty.
 */
function get_bloginfo($show = '', $filter = 'raw') {

switch($show) {
		case 'url' :
		case 'home' : // DEPRECATED
		case 'siteurl' : // DEPRECATED
			$output = get_option('home');
			break;
		case 'wpurl' :
			$output = get_option('siteurl');
			break;
		case 'description':
			$output = get_option('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_atom_url':
			$output = get_feed_link('comments_atom');
			break;
		case 'comments_rss2_url':
			$output = get_feed_link('comments_rss2');
			break;
		case 'pingback_url':
			$output = get_option('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_option('admin_email');
			break;
		case 'charset':
			$output = get_option('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 'language':
			$output = get_locale();
			$output = str_replace('_', '-', $output);
			break;
		case 'text_direction':
			global $wp_locale;
			$output = $wp_locale->text_direction;
			break;
		case 'name':
		default:
			$output = get_option('blogname');
			break;
	}

$url = true;
	if (strpos($show, 'url') === false &&
		strpos($show, 'directory') === false &&
		strpos($show, 'home') === false)
		$url = false;

if ( 'display' == $filter ) {
		if ( $url )
			$output = apply_filters('bloginfo_url', $output, $show);
		else
			$output = apply_filters('bloginfo', $output, $show);
	}

return $output;
}

/**
 * Display or retrieve page title for all areas of blog.
 *
 * By default, the page title will display the separator before the page title,
 * so that the blog title will be before the page title. This is not good for
 * title display, since the blog title shows up on most tabs and not what is
 * important, which is the page that the user is looking at.
 *
 * There are also SEO benefits to having the blog title after or to the 'right'
 * or the page title. However, it is mostly common sense to have the blog title
 * to the right with most browsers supporting tabs. You can achieve this by
 * using the seplocation parameter and setting the value to 'right'. This change
 * was introduced around 2.5.0, in case backwards compatibility of themes is
 * important.
 *
 * @since 1.0.0
 *
 * @param string $sep Optional, default is '&raquo;'. How to separate the various items within the page title.
 * @param bool $display Optional, default is true. Whether to display or retrieve title.
 * @param string $seplocation Optional. Direction to display title, 'right'.
 * @return string|null String on retrieve, null when displaying.
 */
function wp_title($sep = '&raquo;', $display = true, $seplocation = '') {
	global $wpdb, $wp_locale, $wp_query;

$cat = get_query_var('cat');
	$tag = get_query_var('tag_id');
	$category_name = get_query_var('category_name');
	$author = get_query_var('author');
	$author_name = get_query_var('author_name');
	$m = get_query_var('m');
	$year = get_query_var('year');
	$monthnum = get_query_var('monthnum');
	$day = get_query_var('day');
	$search = get_query_var('s');
	$title = '';

$t_sep = '%WP_TITILE_SEP%'; // Temporary separator, for accurate flipping, if necessary

// If there's a category
	if ( !empty($cat) ) {
			// category exclusion
			if ( !stristr($cat,'-') )
				$title = apply_filters('single_cat_title', get_the_category_by_ID($cat));
	} elseif ( !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
		}
		$cat = get_term_by('slug', $category_name, 'category', OBJECT, 'display');
		if ( $cat )
			$title = apply_filters('single_cat_title', $cat->name);
	}

if ( !empty($tag) ) {
		$tag = get_term($tag, 'post_tag', OBJECT, 'display');
		if ( is_wp_error( $tag ) )
			return $tag;
		if ( ! empty($tag->name) )
			$title = apply_filters('single_tag_title', $tag->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 = $wpdb->get_var($wpdb->prepare("SELECT display_name FROM $wpdb->users WHERE user_nicename = %s", $author_name));
	}

// If there's a month
	if ( !empty($m) ) {
		$my_year = substr($m, 0, 4);
		$my_month = $wp_locale->get_month(substr($m, 4, 2));
		$my_day = intval(substr($m, 6, 2));
		$title = "$my_year" . ($my_month ? "$t_sep$my_month" : "") . ($my_day ? "$t_sep$my_day" : "");
	}

if ( !empty($year) ) {
		$title = $year;
		if ( !empty($monthnum) )
			$title .= "$t_sep" . $wp_locale->get_month($monthnum);
		if ( !empty($day) )
			$title .= "$t_sep" . zeroise($day, 2);
	}

// If there is a post
	if ( is_single() || ( is_home() && !is_front_page() ) || ( is_page() && !is_front_page() ) ) {
		$post = $wp_query->get_queried_object();
		$title = strip_tags( apply_filters( 'single_post_title', $post->post_title ) );
	}

// If there's a taxonomy
	if ( is_tax() ) {
		$taxonomy = get_query_var( 'taxonomy' );
		$tax = get_taxonomy( $taxonomy );
		$tax = $tax->label;
		$term = $wp_query->get_queried_object();
		$term = $term->name;
		$title = "$tax$t_sep$term";
	}

//If it's a search
	if ( is_search() ) {
		/* translators: 1: separator, 2: search phrase */
		$title = sprintf(__('Search Results %1$s %2$s'), $t_sep, strip_tags($search));
	}

if ( is_404() ) {
		$title = __('Page not found');
	}

$prefix = '';
	if ( !empty($title) )
		$prefix = " $sep ";

// Determines position of the separator and direction of the breadcrumb
	if ( 'right' == $seplocation ) { // sep on right, so reverse the order
		$title_array = explode( $t_sep, $title );
		$title_array = array_reverse( $title_array );
		$title = implode( " $sep ", $title_array ) . $prefix;
	} else {
		$title_array = explode( $t_sep, $title );
		$title = $prefix . implode( " $sep ", $title_array );
	}

$title = apply_filters('wp_title', $title, $sep, $seplocation);

// Send it out
	if ( $display )
		echo $title;
	else
		return $title;

}

/**
 * Display or retrieve page title for post.
 *
 * This is optimized for single.php template file for displaying the post title.
 * Only useful for posts, does not support pages for example.
 *
 * It does not support placing the separator after the title, but by leaving the
 * prefix parameter empty, you can set the title separator manually. The prefix
 * does not automatically place a space between the prefix, so if there should
 * be a space, the parameter value will need to have it at the end.
 *
 * @since 0.71
 * @uses $wpdb
 *
 * @param string $prefix Optional. What to display before the title.
 * @param bool $display Optional, default is true. Whether to display or retrieve title.
 * @return string|null Title when retrieving, null when displaying or failure.
 */
function single_post_title($prefix = '', $display = true) {
	global $wpdb;
	$p = get_query_var('p');
	$name = get_query_var('name');

if ( intval($p) || '' != $name ) {
		if ( !$p )
			$p = $wpdb->get_var($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_name = %s", $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);
	}
}

/**
 * Display or retrieve page title for category archive.
 *
 * This is useful for category template file or files, because it is optimized
 * for category page title and with less overhead than {@link wp_title()}.
 *
 * It does not support placing the separator after the title, but by leaving the
 * prefix parameter empty, you can set the title separator manually. The prefix
 * does not automatically place a space between the prefix, so if there should
 * be a space, the parameter value will need to have it at the end.
 *
 * @since 0.71
 *
 * @param string $prefix Optional. What to display before the title.
 * @param bool $display Optional, default is true. Whether to display or retrieve title.
 * @return string|null Title when retrieving, null when displaying or failure.
 */
function single_cat_title($prefix = '', $display = true ) {
	$cat = intval( get_query_var('cat') );
	if ( !empty($cat) && !(strtoupper($cat) == 'ALL') ) {
		$my_cat_name = apply_filters('single_cat_title', get_the_category_by_ID($cat));
		if ( !empty($my_cat_name) ) {
			if ( $display )
				echo $prefix.strip_tags($my_cat_name);
			else
				return strip_tags($my_cat_name);
		}
	} else if ( is_tag() ) {
		return single_tag_title($prefix, $display);
	}
}

/**
 * Display or retrieve page title for tag post archive.
 *
 * Useful for tag template files for displaying the tag page title. It has less
 * overhead than {@link wp_title()}, because of its limited implementation.
 *
 * It does not support placing the separator after the title, but by leaving the
 * prefix parameter empty, you can set the title separator manually. The prefix
 * does not automatically place a space between the prefix, so if there should
 * be a space, the parameter value will need to have it at the end.
 *
 * @since 2.3.0
 *
 * @param string $prefix Optional. What to display before the title.
 * @param bool $display Optional, default is true. Whether to display or retrieve title.
 * @return string|null Title when retrieving, null when displaying or failure.
 */
function single_tag_title($prefix = '', $display = true ) {
	if ( !is_tag() )
		return;

$tag_id = intval( get_query_var('tag_id') );

if ( !empty($tag_id) ) {
		$my_tag = &get_term($tag_id, 'post_tag', OBJECT, 'display');
		if ( is_wp_error( $my_tag ) )
			return false;
		$my_tag_name = apply_filters('single_tag_title', $my_tag->name);
		if ( !empty($my_tag_name) ) {
			if ( $display )
				echo $prefix . $my_tag_name;
			else
				return $my_tag_name;
		}
	}
}

/**
 * Display or retrieve page title for post archive based on date.
 *
 * Useful for when the template only needs to display the month and year, if
 * either are available. Optimized for just this purpose, so if it is all that
 * is needed, should be better than {@link wp_title()}.
 *
 * It does not support placing the separator after the title, but by leaving the
 * prefix parameter empty, you can set the title separator manually. The prefix
 * does not automatically place a space between the prefix, so if there should
 * be a space, the parameter value will need to have it at the end.
 *
 * @since 0.71
 *
 * @param string $prefix Optional. What to display before the title.
 * @param bool $display Optional, default is true. Whether to display or retrieve title.
 * @return string|null Title when retrieving, null when displaying or failure.
 */
function single_month_title($prefix = '', $display = true ) {
	global $wp_locale;

$m = get_query_var('m');
	$year = get_query_var('year');
	$monthnum = get_query_var('monthnum');

if ( !empty($monthnum) && !empty($year) ) {
		$my_year = $year;
		$my_month = $wp_locale->get_month($monthnum);
	} elseif ( !empty($m) ) {
		$my_year = substr($m, 0, 4);
		$my_month = $wp_locale->get_month(substr($m, 4, 2));
	}

if ( empty($my_month) )
		return false;

$result = $prefix . $my_month . $prefix . $my_year;

if ( !$display )
		return $result;
	echo $result;
}

/**
 * Retrieve archive link content based on predefined or custom code.
 *
 * The format can be one of four styles. The 'link' for head element, 'option'
 * for use in the select element, 'html' for use in list (either ol or ul HTML
 * elements). Custom content is also supported using the before and after
 * parameters.
 *
 * The 'link' format uses the link HTML element with the <em>archives</em>
 * relationship. The before and after parameters are not used. The text
 * parameter is used to describe the link.
 *
 * The 'option' format uses the option HTML element for use in select element.
 * The value is the url parameter and the before and after parameters are used
 * between the text description.
 *
 * The 'html' format, which is the default, uses the li HTML element for use in
 * the list HTML elements. The before parameter is before the link and the after
 * parameter is after the closing link.
 *
 * The custom format uses the before parameter before the link ('a' HTML
 * element) and the after parameter after the closing link tag. If the above
 * three values for the format are not used, then custom format is assumed.
 *
 * @since 1.0.0
 * @author Orien
 * @link http://icecode.com/ link navigation hack by Orien
 *
 * @param string $url URL to archive.
 * @param string $text Archive text description.
 * @param string $format Optional, default is 'html'. Can be 'link', 'option', 'html', or custom.
 * @param string $before Optional.
 * @param string $after Optional.
 * @return string HTML link content for archive.
 */
function get_archives_link($url, $text, $format = 'html', $before = '', $after = '') {
	$text = wptexturize($text);
	$title_text = esc_attr($text);
	$url = esc_url($url);

if ('link' == $format)
		$link_html = "\t<link rel='archives' title='$title_text' href='$url' />\n";
	elseif ('option' == $format)
		$link_html = "\t<option value='$url'>$before $text $after</option>\n";
	elseif ('html' == $format)
		$link_html = "\t<li>$before<a href='$url' title='$title_text'>$text</a>$after</li>\n";
	else // custom
		$link_html = "\t$before<a href='$url' title='$title_text'>$text</a>$after\n";

$link_html = apply_filters( "get_archives_link", $link_html );

return $link_html;
}

/**
 * Display archive links based on type and format.
 *
 * The 'type' argument offers a few choices and by default will display monthly
 * archive links. The other options for values are 'daily', 'weekly', 'monthly',
 * 'yearly', 'postbypost' or 'alpha'. Both 'postbypost' and 'alpha' display the
 * same archive link list, the difference between the two is that 'alpha'
 * will order by post title and 'postbypost' will order by post date.
 *
 * The date archives will logically display dates with links to the archive post
 * page. The 'postbypost' and 'alpha' values for 'type' argument will display
 * the post titles.
 *
 * The 'limit' argument will only display a limited amount of links, specified
 * by the 'limit' integer value. By default, there is no limit. The
 * 'show_post_count' argument will show how many posts are within the archive.
 * By default, the 'show_post_count' argument is set to false.
 *
 * For the 'format', 'before', and 'after' arguments, see {@link
 * get_archives_link()}. The values of these arguments have to do with that
 * function.
 *
 * @since 1.2.0
 *
 * @param string|array $args Optional. Override defaults.
 */
function wp_get_archives($args = '') {
	global $wpdb, $wp_locale;

$defaults = array(
		'type' => 'monthly', 'limit' => '',
		'format' => 'html', 'before' => '',
		'after' => '', 'show_post_count' => false,
		'echo' => 1
	);

$r = wp_parse_args( $args, $defaults );
	extract( $r, EXTR_SKIP );

if ( '' == $type )
		$type = 'monthly';

if ( '' != $limit ) {
		$limit = absint($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_option('date_format');
		$archive_week_start_date_format = get_option('date_format');
		$archive_week_end_date_format = get_option('date_format');
	}

//filters
	$where = apply_filters('getarchives_where', "WHERE post_type = 'post' AND post_status = 'publish'", $r );
	$join = apply_filters('getarchives_join', "", $r);

$output = '';

if ( 'monthly' == $type ) {
		$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date DESC $limit";
		$key = md5($query);
		$cache = wp_cache_get( 'wp_get_archives' , 'general');
		if ( !isset( $cache[ $key ] ) ) {
			$arcresults = $wpdb->get_results($query);
			$cache[ $key ] = $arcresults;
			wp_cache_add( 'wp_get_archives', $cache, 'general' );
		} else {
			$arcresults = $cache[ $key ];
		}
		if ( $arcresults ) {
			$afterafter = $after;
			foreach ( (array) $arcresults as $arcresult ) {
				$url = get_month_link( $arcresult->year, $arcresult->month );
				$text = sprintf(__('%1$s %2$d'), $wp_locale->get_month($arcresult->month), $arcresult->year);
				if ( $show_post_count )
					$after = '&nbsp;('.$arcresult->posts.')' . $afterafter;
				$output .= get_archives_link($url, $text, $format, $before, $after);
			}
		}
	} elseif ('yearly' == $type) {
		$query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date DESC $limit";
		$key = md5($query);
		$cache = wp_cache_get( 'wp_get_archives' , 'general');
		if ( !isset( $cache[ $key ] ) ) {
			$arcresults = $wpdb->get_results($query);
			$cache[ $key ] = $arcresults;
			wp_cache_add( 'wp_get_archives', $cache, 'general' );
		} else {
			$arcresults = $cache[ $key ];
		}
		if ($arcresults) {
			$afterafter = $after;
			foreach ( (array) $arcresults as $arcresult) {
				$url = get_year_link($arcresult->year);
				$text = sprintf('%d', $arcresult->year);
				if ($show_post_count)
					$after = '&nbsp;('.$arcresult->posts.')' . $afterafter;
				$output .= get_archives_link($url, $text, $format, $before, $after);
			}
		}
	} elseif ( 'daily' == $type ) {
		$query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date DESC $limit";
		$key = md5($query);
		$cache = wp_cache_get( 'wp_get_archives' , 'general');
		if ( !isset( $cache[ $key ] ) ) {
			$arcresults = $wpdb->get_results($query);
			$cache[ $key ] = $arcresults;
			wp_cache_add( 'wp_get_archives', $cache, 'general' );
		} else {
			$arcresults = $cache[ $key ];
		}
		if ( $arcresults ) {
			$afterafter = $after;
			foreach ( (array) $arcresults as $arcresult ) {
				$url	= get_day_link($arcresult->year, $arcresult->month, $arcresult->dayofmonth);
				$date = sprintf('%1$d-%2$02d-%3$02d 00:00:00', $arcresult->year, $arcresult->month, $arcresult->dayofmonth);
				$text = mysql2date($archive_day_date_format, $date);
				if ($show_post_count)
					$after = '&nbsp;('.$arcresult->posts.')'.$afterafter;
				$output .= get_archives_link($url, $text, $format, $before, $after);
			}
		}
	} elseif ( 'weekly' == $type ) {
		$start_of_week = get_option('start_of_week');
		$query = "SELECT DISTINCT WEEK(post_date, $start_of_week) AS `week`, YEAR(post_date) AS yr, DATE_FORMAT(post_date, '%Y-%m-%d') AS yyyymmdd, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY WEEK(post_date, $start_of_week), YEAR(post_date) ORDER BY post_date DESC $limit";
		$key = md5($query);
		$cache = wp_cache_get( 'wp_get_archives' , 'general');
		if ( !isset( $cache[ $key ] ) ) {
			$arcresults = $wpdb->get_results($query);
			$cache[ $key ] = $arcresults;
			wp_cache_add( 'wp_get_archives', $cache, 'general' );
		} else {
			$arcresults = $cache[ $key ];
		}
		$arc_w_last = '';
		$afterafter = $after;
		if ( $arcresults ) {
				foreach ( (array) $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_option('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']);
						$url  = sprintf('%1$s/%2$s%3$sm%4$s%5$s%6$sw%7$s%8$d', get_option('home'), '', '?', '=', $arc_year, '&amp;', '=', $arcresult->week);
						$text = $arc_week_start . $archive_week_separator . $arc_week_end;
						if ($show_post_count)
							$after = '&nbsp;('.$arcresult->posts.')'.$afterafter;
						$output .= get_archives_link($url, $text, $format, $before, $after);
					}
				}
		}
	} elseif ( ( 'postbypost' == $type ) || ('alpha' == $type) ) {
		$orderby = ('alpha' == $type) ? "post_title ASC " : "post_date DESC ";
		$query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit";
		$key = md5($query);
		$cache = wp_cache_get( 'wp_get_archives' , 'general');
		if ( !isset( $cache[ $key ] ) ) {
			$arcresults = $wpdb->get_results($query);
			$cache[ $key ] = $arcresults;
			wp_cache_add( 'wp_get_archives', $cache, 'general' );
		} else {
			$arcresults = $cache[ $key ];
		}
		if ( $arcresults ) {
			foreach ( (array) $arcresults as $arcresult ) {
				if ( $arcresult->post_date != '0000-00-00 00:00:00' ) {
					$url  = get_permalink($arcresult);
					$arc_title = $arcresult->post_title;
					if ( $arc_title )
						$text = strip_tags(apply_filters('the_title', $arc_title));
					else
						$text = $arcresult->ID;
					$output .= get_archives_link($url, $text, $format, $before, $after);
				}
			}
		}
	}
	if ( $echo )
		echo $output;
	else
		return $output;
}

/**
 * Get number of days since the start of the week.
 *
 * @since 1.5.0
 * @usedby get_calendar()
 *
 * @param int $num Number of day.
 * @return int Days since the start of the week.
 */
function calendar_week_mod($num) {
	$base = 7;
	return ($num - $base*floor($num/$base));
}

/**
 * Display calendar with days that have posts as links.
 *
 * The calendar is cached, which will be retrieved, if it exists. If there are
 * no posts for the month, then it will not be displayed.
 *
 * @since 1.0.0
 *
 * @param bool $initial Optional, default is true. Use initial calendar names.
 */
function get_calendar($initial = true) {
	global $wpdb, $m, $monthnum, $year, $wp_locale, $posts;

$cache = array();
	$key = md5( $m . $monthnum . $year );
	if ( $cache = wp_cache_get( 'get_calendar', 'calendar' ) ) {
		if ( is_array($cache) && isset( $cache[ $key ] ) ) {
			echo $cache[ $key ];
			return;
		}
	}

if ( !is_array($cache) )
		$cache = array();

// Quick check. If we have no posts at all, abort!
	if ( !$posts ) {
		$gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1");
		if ( !$gotsome ) {
			$cache[ $key ] = '';
			wp_cache_set( 'get_calendar', $cache, 'calendar' );
			return;
		}
	}

ob_start();
	if ( isset($_GET['w']) )
		$w = ''.intval($_GET['w']);

// week_begins = 0 stands for Sunday
	$week_begins = intval(get_option('start_of_week'));

// 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) ) {
		$thisyear = ''.intval(substr($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'));
		$thismonth = gmdate('m', current_time('timestamp'));
	}

$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_type = 'post' 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_type = 'post' AND post_status = 'publish'
			ORDER	BY post_date ASC
			LIMIT 1");

/* translators: Calendar caption: 1: month name, 2: 4-digit year */
	$calendar_caption = _x('%1$s %2$s', 'calendar caption');
	echo '<table id="wp-calendar" summary="' . __('Calendar') . '">
	<caption>' . sprintf($calendar_caption, $wp_locale->get_month($thismonth), date('Y', $unixmonth)) . '</caption>
	<thead>
	<tr>';

$myweek = array();

for ( $wdcount=0; $wdcount<=6; $wdcount++ ) {
		$myweek[] = $wp_locale->get_weekday(($wdcount+$week_begins)%7);
	}

foreach ( $myweek as $wd ) {
		$day_name = (true == $initial) ? $wp_locale->get_weekday_initial($wd) : $wp_locale->get_weekday_abbrev($wd);
		echo "\n\t\t<th abbr=\"$wd\" scope=\"col\" title=\"$wd\">$day_name</th>";
	}

echo '
	</tr>
	</thead>

<tfoot>
	<tr>';

if ( $previous ) {
		echo "\n\t\t".'<td abbr="' . $wp_locale->get_month($previous->month) . '" colspan="3" id="prev"><a href="' .
		get_month_link($previous->year, $previous->month) . '" title="' . sprintf(__('View posts for %1$s %2$s'), $wp_locale->get_month($previous->month),
			date('Y', mktime(0, 0 , 0, $previous->month, 1, $previous->year))) . '">&laquo; ' . $wp_locale->get_month_abbrev($wp_locale->get_month($previous->month)) . '</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="' . $wp_locale->get_month($next->month) . '" colspan="3" id="next"><a href="' .
		get_month_link($next->year, $next->month) . '" title="' . sprintf(__('View posts for %1$s %2$s'), $wp_locale->get_month($next->month),
			date('Y', mktime(0, 0 , 0, $next->month, 1, $next->year))) . '">' . $wp_locale->get_month_abbrev($wp_locale->get_month($next->month)) . ' &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_type = 'post' AND post_status = 'publish'
		AND post_date < '" . current_time('mysql') . '\'', ARRAY_N);
	if ( $dayswithposts ) {
		foreach ( (array) $dayswithposts as $daywith ) {
			$daywithpost[] = $daywith[0];
		}
	} else {
		$daywithpost = array();
	}

if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'camino') !== false || strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'safari') !== false)
		$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_type = 'post' AND post_status = 'publish'"
	);
	if ( $ak_post_titles ) {
		foreach ( (array) $ak_post_titles as $ak_post_title ) {

$post_title = esc_attr( apply_filters( 'the_title', $ak_post_title->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"] = $post_title;
				else
					$ak_titles_for_day["$ak_post_title->dom"] .= $ak_title_separator . $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_option('gmt_offset') * 3600))) && $thismonth == gmdate('m', time()+(get_option('gmt_offset') * 3600)) && $thisyear == gmdate('Y', time()+(get_option('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>";

$output = ob_get_contents();
	ob_end_clean();
	echo $output;
	$cache[ $key ] = $output;
	wp_cache_set( 'get_calendar', $cache, 'calendar' );
}

/**
 * Purge the cached results of get_calendar.
 *
 * @see get_calendar
 * @since 2.1.0
 */
function delete_get_calendar_cache() {
	wp_cache_delete( 'get_calendar', 'calendar' );
}
add_action( 'save_post', 'delete_get_calendar_cache' );
add_action( 'delete_post', 'delete_get_calendar_cache' );
add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' );
add_action( 'update_option_gmt_offset', 'delete_get_calendar_cache' );
add_action( 'update_option_start_of_week', 'delete_get_calendar_cache' );

/**
 * Display all of the allowed tags in HTML format with attributes.
 *
 * This is useful for displaying in the comment area, which elements and
 * attributes are supported. As well as any plugins which want to display it.
 *
 * @since 1.0.1
 * @uses $allowedtags
 *
 * @return string HTML allowed tags entity encoded.
 */
function allowed_tags() {
	global $allowedtags;
	$allowed = '';
	foreach ( (array) $allowedtags as $tag => $attributes ) {
		$allowed .= '<'.$tag;
		if ( 0 < count($attributes) ) {
			foreach ( $attributes as $attribute => $limits ) {
				$allowed .= ' '.$attribute.'=""';
			}
		}
		$allowed .= '> ';
	}
	return htmlentities($allowed);
}

/***** Date/Time tags *****/

/**
 * Outputs the date in iso8601 format for xml files.
 *
 * @since 1.0.0
 */
function the_date_xml() {
	global $post;
	echo mysql2date('Y-m-d', $post->post_date, false);
}

/**
 * Display or Retrieve the date the post was written.
 *
 * Will only output the date if the current post's date is different from the
 * previous one output.
 *
 * @since 0.71
 *
 * @param string $d Optional. PHP date format defaults to the date_format option if not specified.
 * @param string $before Optional. Output before the date.
 * @param string $after Optional. Output after the date.
 * @param bool $echo Optional, default is display. Whether to echo the date or return it.
 * @return string|null Null if displaying, string if retrieving.
 */
function the_date($d='', $before='', $after='', $echo = true) {
	global $post, $day, $previousday;
	$the_date = '';
	if ( $day != $previousday ) {
		$the_date .= $before;
		if ( $d=='' )
			$the_date .= mysql2date(get_option('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, $d, $before, $after);
	if ( $echo )
		echo $the_date;
	else
		return $the_date;
	}
}

/**
 * Display the date on which the post was last modified.
 *
 * @since 2.1.0
 *
 * @param string $d Optional. PHP date format.
 * @return string
 */
function the_modified_date($d = '') {
	echo apply_filters('the_modified_date', get_the_modified_date($d), $d);
}

/**
 * Retrieve the date on which the post was last modified.
 *
 * @since 2.1.0
 *
 * @param string $d Optional. PHP date format. Defaults to the "date_format" option
 * @return string
 */
function get_the_modified_date($d = '') {
	if ( '' == $d )
		$the_time = get_post_modified_time(get_option('date_format'), null, null, true);
	else
		$the_time = get_post_modified_time($d, null, null, true);
	return apply_filters('get_the_modified_date', $the_time, $d);
}

/**
 * Display the time at which the post was written.
 *
 * @since 0.71
 *
 * @param string $d Either 'G', 'U', or php date format.
 */
function the_time( $d = '' ) {
	echo apply_filters('the_time', get_the_time( $d ), $d);
}

/**
 * Retrieve the time at which the post was written.
 *
 * @since 1.5.0
 *
 * @param string $d Either 'G', 'U', or php date format defaults to the value specified in the time_format option.
 * @param int|object $post Optional post ID or object. Default is global $post object.
 * @return string
 */
function get_the_time( $d = '', $post = null ) {
	$post = get_post($post);

if ( '' == $d )
		$the_time = get_post_time(get_option('time_format'), false, $post, true);
	else
		$the_time = get_post_time($d, false, $post, true);
	return apply_filters('get_the_time', $the_time, $d, $post);
}

/**
 * Retrieve the time at which the post was written.
 *
 * @since 2.0.0
 *
 * @param string $d Either 'G', 'U', or php date format.
 * @param bool $gmt Whether of not to return the gmt time.
 * @param int|object $post Optional post ID or object. Default is global $post object.
 * @param bool $translate Whether to translate the time string or not
 * @return string
 */
function get_post_time( $d = 'U', $gmt = false, $post = null, $translate = false ) { // returns timestamp
	$post = get_post($post);

if ( $gmt )
		$time = $post->post_date_gmt;
	else
		$time = $post->post_date;

$time = mysql2date($d, $time, $translate);
	return apply_filters('get_post_time', $time, $d, $gmt);
}

/**
 * Display the time at which the post was last modified.
 *
 * @since 2.0.0
 *
 * @param string $d Either 'G', 'U', or php date format defaults to the value specified in the time_format option.
 */
function the_modified_time($d = '') {
	echo apply_filters('the_modified_time', get_the_modified_time($d), $d);
}

/**
 * Retrieve the time at which the post was last modified.
 *
 * @since 2.0.0
 *
 * @param string $d Either 'G', 'U', or php date format defaults to the value specified in the time_format option.
 * @return string
 */
function get_the_modified_time($d = '') {
	if ( '' == $d )
		$the_time = get_post_modified_time(get_option('time_format'), null, null, true);
	else
		$the_time = get_post_modified_time($d, null, null, true);
	return apply_filters('get_the_modified_time', $the_time, $d);
}

/**
 * Retrieve the time at which the post was last modified.
 *
 * @since 2.0.0
 *
 * @param string $d Either 'G', 'U', or php date format.
 * @param bool $gmt Whether of not to return the gmt time.
 * @param int|object $post A post_id or post object
 * @param bool translate Whether to translate the result or not
 * @return string Returns timestamp
 */
function get_post_modified_time( $d = 'U', $gmt = false, $post = null, $translate = false ) {
	$post = get_post($post);

if ( $gmt )
		$time = $post->post_modified_gmt;
	else
		$time = $post->post_modified;
	$time = mysql2date($d, $time, $translate);

return apply_filters('get_post_modified_time', $time, $d, $gmt);
}

/**
 * Display the weekday on which the post was written.
 *
 * @since 0.71
 * @uses $wp_locale
 * @uses $post
 */
function the_weekday() {
	global $wp_locale, $post;
	$the_weekday = $wp_locale->get_weekday(mysql2date('w', $post->post_date, false));
	$the_weekday = apply_filters('the_weekday', $the_weekday);
	echo $the_weekday;
}

/**
 * Display the weekday on which the post was written.
 *
 * Will only output the weekday if the current post's weekday is different from
 * the previous one output.
 *
 * @since 0.71
 *
 * @param string $before output before the date.
 * @param string $after output after the date.
  */
function the_weekday_date($before='',$after='') {
	global $wp_locale, $post, $day, $previousweekday;
	$the_weekday_date = '';
	if ( $day != $previousweekday ) {
		$the_weekday_date .= $before;
		$the_weekday_date .= $wp_locale->get_weekday(mysql2date('w', $post->post_date, false));
		$the_weekday_date .= $after;
		$previousweekday = $day;
	}
	$the_weekday_date = apply_filters('the_weekday_date', $the_weekday_date, $before, $after);
	echo $the_weekday_date;
}

/**
 * Fire the wp_head action
 *
 * @since 1.2.0
 * @uses do_action() Calls 'wp_head' hook.
 */
function wp_head() {
	do_action('wp_head');
}

/**
 * Fire the wp_footer action
 *
 * @since 1.5.1
 * @uses do_action() Calls 'wp_footer' hook.
 */
function wp_footer() {
	do_action('wp_footer');
}

/**
 * Enable/disable automatic general feed link outputting.
 *
 * @since 2.8.0
 *
 * @param boolean $add Add or remove links. Defaults to true.
 */
function automatic_feed_links( $add = true ) {
	if ( $add )
		add_action( 'wp_head', 'feed_links', 2 );
	else {
		remove_action( 'wp_head', 'feed_links', 2 );
		remove_action( 'wp_head', 'feed_links_extra', 3 );
	}
}

/**
 * Display the links to the general feeds.
 *
 * @since 2.8.0
 *
 * @param array $args Optional arguments.
 */
function feed_links( $args ) {
	$defaults = array(
		/* translators: Separator between blog name and feed type in feed links */
		'separator'	=> _x('&raquo;', 'feed link'),
		/* translators: 1: blog title, 2: separator (raquo) */
		'feedtitle'	=> __('%1$s %2$s Feed'),
		/* translators: %s: blog title, 2: separator (raquo) */
		'comstitle'	=> __('%1$s %2$s Comments Feed'),
	);

$args = wp_parse_args( $args, $defaults );

echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr(sprintf( $args['feedtitle'], get_bloginfo('name'), $args['separator'] )) . '" href="' . get_feed_link() . "\" />\n";
	echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr(sprintf( $args['comstitle'], get_bloginfo('name'), $args['separator'] )) . '" href="' . get_feed_link( 'comments_' . get_default_feed() ) . "\" />\n";
}

/**
 * Display the links to the extra feeds such as category feeds.
 *
 * @since 2.8.0
 *
 * @param array $args Optional arguments.
 */
function feed_links_extra( $args ) {
	$defaults = array(
		/* translators: Separator between blog name and feed type in feed links */
		'separator'   => _x('&raquo;', 'feed link'),
		/* translators: 1: blog name, 2: separator(raquo), 3: post title */
		'singletitle' => __('%1$s %2$s %3$s Comments Feed'),
		/* translators: 1: blog name, 2: separator(raquo), 3: category name */
		'cattitle'    => __('%1$s %2$s %3$s Category Feed'),
		/* translators: 1: blog name, 2: separator(raquo), 3: tag name */
		'tagtitle'    => __('%1$s %2$s %3$s Tag Feed'),
		/* translators: 1: blog name, 2: separator(raquo), 3: author name  */
		'authortitle' => __('%1$s %2$s Posts by %3$s Feed'),
		/* translators: 1: blog name, 2: separator(raquo), 3: search phrase */
		'searchtitle' => __('%1$s %2$s Search Results for &#8220;%3$s&#8221; Feed'),
	);

$args = wp_parse_args( $args, $defaults );

if ( is_single() || is_page() ) {
		$post = &get_post( $id = 0 );

if ( comments_open() || pings_open() || $post->comment_count > 0 ) {
			$title = esc_attr(sprintf( $args['singletitle'], get_bloginfo('name'), $args['separator'], esc_html( get_the_title() ) ));
			$href = get_post_comments_feed_link( $post->ID );
		}
	} elseif ( is_category() ) {
		$cat_id = intval( get_query_var('cat') );

$title = esc_attr(sprintf( $args['cattitle'], get_bloginfo('name'), $args['separator'], get_cat_name( $cat_id ) ));
		$href = get_category_feed_link( $cat_id );
	} elseif ( is_tag() ) {
		$tag_id = intval( get_query_var('tag_id') );
		$tag = get_tag( $tag_id );

$title = esc_attr(sprintf( $args['tagtitle'], get_bloginfo('name'), $args['separator'], $tag->name ));
		$href = get_tag_feed_link( $tag_id );
	} elseif ( is_author() ) {
		$author_id = intval( get_query_var('author') );

$title = esc_attr(sprintf( $args['authortitle'], get_bloginfo('name'), $args['separator'], get_the_author_meta( 'display_name', $author_id ) ));
		$href = get_author_feed_link( $author_id );
	} elseif ( is_search() ) {
		$title = esc_attr(sprintf( $args['searchtitle'], get_bloginfo('name'), $args['separator'], get_search_query() ));
		$href = get_search_feed_link();
	}

if ( isset($title) && isset($href) )
		echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . $title . '" href="' . $href . '" />' . "\n";
}

/**
 * Display the link to the Really Simple Discovery service endpoint.
 *
 * @link http://archipelago.phrasewise.com/rsd
 * @since 2.0.0
 */
function rsd_link() {
	echo '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="' . get_bloginfo('wpurl') . "/xmlrpc.php?rsd\" />\n";
}

/**
 * Display the link to the Windows Live Writer manifest file.
 *
 * @link http://msdn.microsoft.com/en-us/library/bb463265.aspx
 * @since 2.3.1
 */
function wlwmanifest_link() {
	echo '<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="'
		. get_bloginfo('wpurl') . '/wp-includes/wlwmanifest.xml" /> ' . "\n";
}

/**
 * Display a noindex meta tag if required by the blog configuration.
 *
 * If a blog is marked as not being public then the noindex meta tag will be
 * output to tell web robots not to index the page content.
 *
 * @since 2.1.0
 */
function noindex() {
	// If the blog is not public, tell robots to go away.
	if ( '0' == get_option('blog_public') )
		echo "<meta name='robots' content='noindex,nofollow' />\n";
}

/**
 * Determine if TinyMCE is available.
 *
 * Checks to see if the user has deleted the tinymce files to slim down there WordPress install.
 *
 * @since 2.1.0
 *
 * @return bool Whether of not TinyMCE exists.
 */
function rich_edit_exists() {
	global $wp_rich_edit_exists;
	if ( !isset($wp_rich_edit_exists) )
		$wp_rich_edit_exists = file_exists(ABSPATH . WPINC . '/js/tinymce/tiny_mce.js');
	return $wp_rich_edit_exists;
}

/**
 * Whether or not the user should have a WYSIWIG editor.
 *
 * Checks that the user requires a WYSIWIG editor and that the editor is
 * supported in the users browser.
 *
 * @since 2.0.0
 *
 * @return bool
 */
function user_can_richedit() {
	global $wp_rich_edit, $pagenow;

if ( !isset( $wp_rich_edit) ) {
		if ( get_user_option( 'rich_editing' ) == 'true' &&
			( ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && intval($match[1]) >= 420 ) ||
				!preg_match( '!opera[ /][2-8]|konqueror|safari!i', $_SERVER['HTTP_USER_AGENT'] ) )
				&& 'comment.php' != $pagenow ) {
			$wp_rich_edit = true;
		} else {
			$wp_rich_edit = false;
		}
	}

return apply_filters('user_can_richedit', $wp_rich_edit);
}

/**
 * Find out which editor should be displayed by default.
 *
 * Works out which of the two editors to display as the current editor for a
 * user.
 *
 * @since 2.5.0
 *
 * @return string Either 'tinymce', or 'html', or 'test'
 */
function wp_default_editor() {
	$r = user_can_richedit() ? 'tinymce' : 'html'; // defaults
	if ( $user = wp_get_current_user() ) { // look for cookie
		$ed = get_user_setting('editor', 'tinymce');
		$r = ( in_array($ed, array('tinymce', 'html', 'test') ) ) ? $ed : $r;
	}
	return apply_filters( 'wp_default_editor', $r ); // filter
}

/**
 * Display visual editor forms: TinyMCE, or HTML, or both.
 *
 * The amount of rows the text area will have for the content has to be between
 * 3 and 100 or will default at 12. There is only one option used for all users,
 * named 'default_post_edit_rows'.
 *
 * If the user can not use the rich editor (TinyMCE), then the switch button
 * will not be displayed.
 *
 * @since 2.1.0
 *
 * @param string $content Textarea content.
 * @param string $id HTML ID attribute value.
 * @param string $prev_id HTML ID name for switching back and forth between visual editors.
 * @param bool $media_buttons Optional, default is true. Whether to display media buttons.
 * @param int $tab_index Optional, default is 2. Tabindex for textarea element.
 */
function the_editor($content, $id = 'content', $prev_id = 'title', $media_buttons = true, $tab_index = 2) {
	$rows = get_option('default_post_edit_rows');
	if (($rows < 3) || ($rows > 100))
		$rows = 12;

if ( !current_user_can( 'upload_files' ) )
		$media_buttons = false;

$richedit =  user_can_richedit();
	$class = '';

if ( $richedit || $media_buttons ) { ?>
	<div id="editor-toolbar">
<?php
	if ( $richedit ) {
		$wp_default_editor = wp_default_editor(); ?>
		<div class="zerosize"><input accesskey="e" type="button" onclick="switchEditors.go('<?php echo $id; ?>')" /></div>
<?php	if ( 'html' == $wp_default_editor ) {
			add_filter('the_editor_content', 'wp_htmledit_pre'); ?>
			<a id="edButtonHTML" class="active hide-if-no-js" onclick="switchEditors.go('<?php echo $id; ?>', 'html');"><?php _e('HTML'); ?></a>
			<a id="edButtonPreview" class="hide-if-no-js" onclick="switchEditors.go('<?php echo $id; ?>', 'tinymce');"><?php _e('Visual'); ?></a>
<?php	} else {
			$class = " class='theEditor'";
			add_filter('the_editor_content', 'wp_richedit_pre'); ?>
			<a id="edButtonHTML" class="hide-if-no-js" onclick="switchEditors.go('<?php echo $id; ?>', 'html');"><?php _e('HTML'); ?></a>
			<a id="edButtonPreview" class="active hide-if-no-js" onclick="switchEditors.go('<?php echo $id; ?>', 'tinymce');"><?php _e('Visual'); ?></a>
<?php	}
	}

if ( $media_buttons ) { ?>
		<div id="media-buttons" class="hide-if-no-js">
<?php	do_action( 'media_buttons' ); ?>
		</div>
<?php
	} ?>
	</div>
<?php
	}
?>
	<div id="quicktags"><?php
	wp_print_scripts( 'quicktags' ); ?>
	<script type="text/javascript">edToolbar()</script>
	</div>

<?php
	$the_editor = apply_filters('the_editor', "<div id='editorcontainer'><textarea rows='$rows'$class cols='40' name='$id' tabindex='$tab_index' id='$id'>%s</textarea></div>\n");
	$the_editor_content = apply_filters('the_editor_content', $content);

printf($the_editor, $the_editor_content);

?>
	<script type="text/javascript">
	edCanvas = document.getElementById('<?php echo $id; ?>');
	</script>
<?php
}

/**
 * Retrieve the contents of the search WordPress query variable.
 *
 * @since 2.3.0
 *
 * @return string
 */
function get_search_query() {
	return apply_filters( 'get_search_query', stripslashes( get_query_var( 's' ) ) );
}

/**
 * Display the contents of the search query variable.
 *
 * The search query string is passed through {@link esc_attr()}
 * to ensure that it is safe for placing in an html attribute.
 *
 * @uses attr
 * @since 2.1.0
 */
function the_search_query() {
	echo esc_attr( apply_filters( 'the_search_query', get_search_query() ) );
}

/**
 * Display the language attributes for the html tag.
 *
 * Builds up a set of html attributes containing the text direction and language
 * information for the page.
 *
 * @since 2.1.0
 *
 * @param string $doctype The type of html document (xhtml|html).
 */
function language_attributes($doctype = 'html') {
	$attributes = array();
	$output = '';

if ( $dir = get_bloginfo('text_direction') )
		$attributes[] = "dir=\"$dir\"";

if ( $lang = get_bloginfo('language') ) {
		if ( get_option('html_type') == 'text/html' || $doctype == 'html' )
			$attributes[] = "lang=\"$lang\"";

if ( get_option('html_type') != 'text/html' || $doctype == 'xhtml' )
			$attributes[] = "xml:lang=\"$lang\"";
	}

$output = implode(' ', $attributes);
	$output = apply_filters('language_attributes', $output);
	echo $output;
}

/**
 * Retrieve paginated link for archive post pages.
 *
 * Technically, the function can be used to create paginated link list for any
 * area. The 'base' argument is used to reference the url, which will be used to
 * create the paginated links. The 'format' argument is then used for replacing
 * the page number. It is however, most likely and by default, to be used on the
 * archive post pages.
 *
 * The 'type' argument controls format of the returned value. The default is
 * 'plain', which is just a string with the links separated by a newline
 * character. The other possible values are either 'array' or 'list'. The
 * 'array' value will return an array of the paginated link list to offer full
 * control of display. The 'list' value will place all of the paginated links in
 * an unordered HTML list.
 *
 * The 'total' argument is the total amount of pages and is an integer. The
 * 'current' argument is the current page number and is also an integer.
 *
 * An example of the 'base' argument is "http://example.com/all_posts.php%_%"
 * and the '%_%' is required. The '%_%' will be replaced by the contents of in
 * the 'format' argument. An example for the 'format' argument is "?page=%#%"
 * and the '%#%' is also required. The '%#%' will be replaced with the page
 * number.
 *
 * You can include the previous and next links in the list by setting the
 * 'prev_next' argument to true, which it is by default. You can set the
 * previous text, by using the 'prev_text' argument. You can set the next text
 * by setting the 'next_text' argument.
 *
 * If the 'show_all' argument is set to true, then it will show all of the pages
 * instead of a short list of the pages near the current page. By default, the
 * 'show_all' is set to false and controlled by the 'end_size' and 'mid_size'
 * arguments. The 'end_size' argument is how many numbers on either the start
 * and the end list edges, by default is 1. The 'mid_size' argument is how many
 * numbers to either side of current page, but not including current page.
 *
 * It is possible to add query vars to the link by using the 'add_args' argument
 * and see {@link add_query_arg()} for more information.
 *
 * @since 2.1.0
 *
 * @param string|array $args Optional. Override defaults.
 * @return array|string String of page links or array of page links.
 */
function paginate_links( $args = '' ) {
	$defaults = array(
		'base' => '%_%', // http://example.com/all_posts.php%_% : %_% is replaced by format (below)
		'format' => '?page=%#%', // ?page=%#% : %#% is replaced by the page number
		'total' => 1,
		'current' => 0,
		'show_all' => false,
		'prev_next' => true,
		'prev_text' => __('&laquo; Previous'),
		'next_text' => __('Next &raquo;'),
		'end_size' => 1,
		'mid_size' => 2,
		'type' => 'plain',
		'add_args' => false, // array of query args to add
		'add_fragment' => ''
	);

$args = wp_parse_args( $args, $defaults );
	extract($args, EXTR_SKIP);

// Who knows what else people pass in $args
	$total = (int) $total;
	if ( $total < 2 )
		return;
	$current  = (int) $current;
	$end_size = 0  < (int) $end_size ? (int) $end_size : 1; // Out of bounds?  Make it the default.
	$mid_size = 0 <= (int) $mid_size ? (int) $mid_size : 2;
	$add_args = is_array($add_args) ? $add_args : false;
	$r = '';
	$page_links = array();
	$n = 0;
	$dots = false;

if ( $prev_next && $current && 1 < $current ) :
		$link = str_replace('%_%', 2 == $current ? '' : $format, $base);
		$link = str_replace('%#%', $current - 1, $link);
		if ( $add_args )
			$link = add_query_arg( $add_args, $link );
		$link .= $add_fragment;
		$page_links[] = "<a class='prev page-numbers' href='" . esc_url($link) . "'>$prev_text</a>";
	endif;
	for ( $n = 1; $n <= $total; $n++ ) :
		$n_display = number_format_i18n($n);
		if ( $n == $current ) :
			$page_links[] = "<span class='page-numbers current'>$n_display</span>";
			$dots = true;
		else :
			if ( $show_all || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) :
				$link = str_replace('%_%', 1 == $n ? '' : $format, $base);
				$link = str_replace('%#%', $n, $link);
				if ( $add_args )
					$link = add_query_arg( $add_args, $link );
				$link .= $add_fragment;
				$page_links[] = "<a class='page-numbers' href='" . esc_url($link) . "'>$n_display</a>";
				$dots = true;
			elseif ( $dots && !$show_all ) :
				$page_links[] = "<span class='page-numbers dots'>...</span>";
				$dots = false;
			endif;
		endif;
	endfor;
	if ( $prev_next && $current && ( $current < $total || -1 == $total ) ) :
		$link = str_replace('%_%', $format, $base);
		$link = str_replace('%#%', $current + 1, $link);
		if ( $add_args )
			$link = add_query_arg( $add_args, $link );
		$link .= $add_fragment;
		$page_links[] = "<a class='next page-numbers' href='" . esc_url($link) . "'>$next_text</a>";
	endif;
	switch ( $type ) :
		case 'array' :
			return $page_links;
			break;
		case 'list' :
			$r .= "<ul class='page-numbers'>\n\t<li>";
			$r .= join("</li>\n\t<li>", $page_links);
			$r .= "</li>\n</ul>\n";
			break;
		default :
			$r = join("\n", $page_links);
			break;
	endswitch;
	return $r;
}

/**
 * Registers an admin colour scheme css file.
 *
 * Allows a plugin to register a new admin colour scheme. For example:
 * <code>
 * wp_admin_css_color('classic', __('Classic'), admin_url("css/colors-classic.css"),
 * array('#07273E', '#14568A', '#D54E21', '#2683AE'));
 * </code>
 *
 * @since 2.5.0
 *
 * @param string $key The unique key for this theme.
 * @param string $name The name of the theme.
 * @param string $url The url of the css file containing the colour scheme.
 * @param array @colors An array of CSS color definitions which are used to give the user a feel for the theme.
 */
function wp_admin_css_color($key, $name, $url, $colors = array()) {
	global $_wp_admin_css_colors;

if ( !isset($_wp_admin_css_colors) )
		$_wp_admin_css_colors = array();

$_wp_admin_css_colors[$key] = (object) array('name' => $name, 'url' => $url, 'colors' => $colors);
}

/**
 * Display the URL of a WordPress admin CSS file.
 *
 * @see WP_Styles::_css_href and its style_loader_src filter.
 *
 * @since 2.3.0
 *
 * @param string $file file relative to wp-admin/ without its ".css" extension.
 */
function wp_admin_css_uri( $file = 'wp-admin' ) {
	if ( defined('WP_INSTALLING') ) {
		$_file = "./$file.css";
	} else {
		$_file = admin_url("$file.css");
	}
	$_file = add_query_arg( 'version', get_bloginfo( 'version' ),  $_file );

return apply_filters( 'wp_admin_css_uri', $_file, $file );
}

/**
 * Enqueues or directly prints a stylesheet link to the specified CSS file.
 *
 * "Intelligently" decides to enqueue or to print the CSS file. If the
 * 'wp_print_styles' action has *not* yet been called, the CSS file will be
 * enqueued. If the wp_print_styles action *has* been called, the CSS link will
 * be printed. Printing may be forced by passing TRUE as the $force_echo
 * (second) parameter.
 *
 * For backward compatibility with WordPress 2.3 calling method: If the $file
 * (first) parameter does not correspond to a registered CSS file, we assume
 * $file is a file relative to wp-admin/ without its ".css" extension. A
 * stylesheet link to that generated URL is printed.
 *
 * @package WordPress
 * @since 2.3.0
 * @uses $wp_styles WordPress Styles Object
 *
 * @param string $file Style handle name or file name (without ".css" extension) relative to wp-admin/
 * @param bool $force_echo Optional.  Force the stylesheet link to be printed rather than enqueued.
 */
function wp_admin_css( $file = 'wp-admin', $force_echo = false ) {
	global $wp_styles;
	if ( !is_a($wp_styles, 'WP_Styles') )
		$wp_styles = new WP_Styles();

// For backward compatibility
	$handle = 0 === strpos( $file, 'css/' ) ? substr( $file, 4 ) : $file;

if ( $wp_styles->query( $handle ) ) {
		if ( $force_echo || did_action( 'wp_print_styles' ) ) // we already printed the style queue.  Print this one immediately
			wp_print_styles( $handle );
		else // Add to style queue
			wp_enqueue_style( $handle );
		return;
	}

echo apply_filters( 'wp_admin_css', "<link rel='stylesheet' href='" . esc_url( wp_admin_css_uri( $file ) ) . "' type='text/css' />\n", $file );
	if ( 'rtl' == get_bloginfo( 'text_direction' ) )
		echo apply_filters( 'wp_admin_css', "<link rel='stylesheet' href='" . esc_url( wp_admin_css_uri( "$file-rtl" ) ) . "' type='text/css' />\n", "$file-rtl" );
}

/**
 * Enqueues the default ThickBox js and css.
 *
 * If any of the settings need to be changed, this can be done with another js
 * file similar to media-upload.js and theme-preview.js. That file should
 * require array('thickbox') to ensure it is loaded after.
 *
 * @since 2.5.0
 */
function add_thickbox() {
	wp_enqueue_script( 'thickbox' );
	wp_enqueue_style( 'thickbox' );
}

/**
 * Display the XHTML generator that is generated on the wp_head hook.
 *
 * @since 2.5.0
 */
function wp_generator() {
	the_generator( apply_filters( 'wp_generator_type', 'xhtml' ) );
}

/**
 * Display the generator XML or Comment for RSS, ATOM, etc.
 *
 * Returns the correct generator type for the requested output format. Allows
 * for a plugin to filter generators overall the the_generator filter.
 *
 * @since 2.5.0
 * @uses apply_filters() Calls 'the_generator' hook.
 *
 * @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export).
 */
function the_generator( $type ) {
	echo apply_filters('the_generator', get_the_generator($type), $type) . "\n";
}

/**
 * Creates the generator XML or Comment for RSS, ATOM, etc.
 *
 * Returns the correct generator type for the requested output format. Allows
 * for a plugin to filter generators on an individual basis using the
 * 'get_the_generator_{$type}' filter.
 *
 * @since 2.5.0
 * @uses apply_filters() Calls 'get_the_generator_$type' hook.
 *
 * @param string $type The type of generator to return - (html|xhtml|atom|rss2|rdf|comment|export).
 * @return string The HTML content for the generator.
 */
function get_the_generator( $type ) {
	switch ($type) {
		case 'html':
			$gen = '<meta name="generator" content="WordPress ' . get_bloginfo( 'version' ) . '">';
			break;
		case 'xhtml':
			$gen = '<meta name="generator" content="WordPress ' . get_bloginfo( 'version' ) . '" />';
			break;
		case 'atom':
			$gen = '<generator uri="http://wordpress.org/" version="' . get_bloginfo_rss( 'version' ) . '">WordPress</generator>';
			break;
		case 'rss2':
			$gen = '<generator>http://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) . '</generator>';
			break;
		case 'rdf':
			$gen = '<admin:generatorAgent rdf:resource="http://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) . '" />';
			break;
		case 'comment':
			$gen = '';
			break;
		case 'export':
			$gen = '';
			break;
	}
	return apply_filters( "get_the_generator_{$type}", $gen, $type );
}

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