wp_title

Source code

function wp_title($sep = '»', $display = true, $seplocation = '') {

	global $wpdb, $wp_locale;



	$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 is a post

	if ( is_single() || ( is_home() && !is_front_page() ) || ( is_page() && !is_front_page() ) ) {

		$title = single_post_title( '', false );

	}



	// If there's a category or tag

	if ( is_category() || is_tag() ) {

		$title = single_term_title( '', false );

	}



	// If there's a taxonomy

	if ( is_tax() ) {

		$term = get_queried_object();

		$tax = get_taxonomy( $term->taxonomy );

		$title = single_term_title( $tax->labels->name . $t_sep, false );

	}



	// If there's an author

	if ( is_author() ) {

		$author = get_queried_object();

		$title = $author->display_name;

	}



	// If there's a post type archive

	if ( is_post_type_archive() )

		$title = post_type_archive_title( '', false );



	// If there's a month

	if ( is_archive() && !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 there's a year

	if ( is_archive() && !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 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 it's a 404 page

	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;



}