%2$s ',
esc_url( get_permalink( get_the_ID() ) ),
/* translators: %s: Name of current post */
sprintf( __( 'Continue reading "%s"', 'telescope' ), get_the_title( get_the_ID() ) )
);
return '... ' . $link;
}
add_filter( 'excerpt_more', 'telescope_excerpt_more' );
endif;
/**
* Returns true if a blog has more than 1 category.
*
* @return bool
*/
function telescope_categorized_blog() {
if ( false === ( $all_the_cool_cats = get_transient( 'telescope_categories' ) ) ) {
// Create an array of all the categories that are attached to posts.
$all_the_cool_cats = get_categories( array(
'fields' => 'ids',
'hide_empty' => 1,
// We only need to know if there is more than one category.
'number' => 2,
) );
// Count the number of categories that are attached to the posts.
$all_the_cool_cats = count( $all_the_cool_cats );
set_transient( 'telescope_categories', $all_the_cool_cats );
}
if ( $all_the_cool_cats > 1 ) {
// This blog has more than 1 category so telescope_categorized_blog should return true.
return true;
} else {
// This blog has only 1 category so telescope_categorized_blog should return false.
return false;
}
}
/**
* Flush out the transients used in telescope_categorized_blog.
*/
function telescope_category_transient_flusher() {
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
// Like, beat it. Dig?
delete_transient( 'telescope_categories' );
}
add_action( 'edit_category', 'telescope_category_transient_flusher' );
add_action( 'save_post', 'telescope_category_transient_flusher' );