@H_301_0@wp_title 函数在 wordpress 中是用来显示文章、页面、分类等等等等标题的一个函数,但在首页索引,该函数将不显示任何的东西。该函数在 wordpress 官方主题中一直被使用,但目前很多定制的主题中这个函数总是为忽视。
@H_301_0@
函数意义详解
wp_title 函数用来显示页面的标题,如在文章页面,则显示文章标题;在分类页面,则显示分类名称,但在首页索引,该函数将不显示任何的东西。 有点像 wordpress 中的 get_the_title 和 single_cat_title()这两个函数的自适应用法(自动判断是页面、文章还是分类、归档、标签)。 @H_301_0@函数声明
有点长,希望您能耐心看一遍,哪怕只有那么一遍。$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,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;
}