December 13, 2011 
Definition:
function get_parent_post_rel_link($title = '%title') {}
Get parent post relational link.
Parameters
- string $title: Optional. Link title format.
Defined filters
- the_title
apply_filters('the_title', $title, $post->ID) - parent_post_rel_link
apply_filters( "parent_post_rel_link", $link )
Source code
function get_parent_post_rel_link($title = '%title') {
_deprecated_function( __FUNCTION__, '3.3' );
if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
$post = & get_post($GLOBALS['post']->post_parent);
if ( empty($post) )
return;
$date = mysql2date(get_option('date_format'), $post->post_date);
$title = str_replace('%title', $post->post_title, $title);
$title = str_replace('%date', $date, $title);
$title = apply_filters('the_title', $title, $post->ID);
$link = "<link rel='up' title='";
$link .= esc_attr( $title );
$link .= "' href='" . get_permalink($post) . "' />\n";
return apply_filters( "parent_post_rel_link", $link );
}
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