February 12, 2011 
Definition:
function get_the_title( $id = 0 ) {}
Retrieve post title.
If the post is protected and the visitor is not an admin, then "Protected" will be displayed before the post title. If the post is private, then "Private" will be located before the post title.
Parameters
- int $id: Optional. Post ID.
Defined filters
- protected_title_format
apply_filters('protected_title_format', __('Protected: %s') - private_title_format
apply_filters('private_title_format', __('Private: %s') - the_title
apply_filters( 'the_title', $title, $id )
Source code
function get_the_title( $id = 0 ) {
$post = &get_post($id);
$title = isset($post->post_title) ? $post->post_title : '';
$id = isset($post->ID) ? $post->ID : (int) $id;
if ( !is_admin() ) {
if ( !empty($post->post_password) ) {
$protected_title_format = apply_filters('protected_title_format', __('Protected: %s'));
$title = sprintf($protected_title_format, $title);
} else if ( isset($post->post_status) && 'private' == $post->post_status ) {
$private_title_format = apply_filters('private_title_format', __('Private: %s'));
$title = sprintf($private_title_format, $title);
}
}
return apply_filters( 'the_title', $title, $id );
}
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