%2$s';
if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
$time_string .= '';
}
$time_string = sprintf( $time_string,
esc_attr( get_the_date( 'c' ) ),
esc_html( get_the_date() ),
esc_attr( get_the_modified_date( 'c' ) ),
esc_html( get_the_modified_date() )
);
printf( __( 'Posted on %1$s by %2$s', 'singl' ),
sprintf( '%2$s',
esc_url( get_permalink() ),
$time_string
),
sprintf( '%2$s',
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
esc_html( get_the_author() )
)
);
}
endif;
/**
* Returns true if a blog has more than 1 category.
*/
function singl_categorized_blog() {
if ( false === ( $all_the_cool_cats = get_transient( 'all_the_cool_cats' ) ) ) {
// Create an array of all the categories that are attached to posts.
$all_the_cool_cats = get_categories( array(
'hide_empty' => 1,
) );
// Count the number of categories that are attached to the posts.
$all_the_cool_cats = is_countable( $all_the_cool_cats ) ? count( $all_the_cool_cats ) : 0;
set_transient( 'all_the_cool_cats', $all_the_cool_cats );
}
if ( '1' != $all_the_cool_cats ) {
// This blog has more than 1 category so singl_categorized_blog should return true.
return true;
} else {
// This blog has only 1 category so singl_categorized_blog should return false.
return false;
}
}
/**
* Flush out the transients used in singl_categorized_blog.
*/
function singl_category_transient_flusher() {
// Like, beat it. Dig?
delete_transient( 'all_the_cool_cats' );
}
add_action( 'edit_category', 'singl_category_transient_flusher' );
add_action( 'save_post', 'singl_category_transient_flusher' );