current_post === 0 ) {
$class .= 'active';
return post_class( $class, $post_id );
}
else {
return post_class( $class, $post_id );
}
}
/**
* Sets the post excerpt length to 40 words.
*
* To override this length in a child theme, remove the filter and add your own
* function tied to the excerpt_length filter hook.
*/
function modernwpthemes_excerpt_length( $length ) {
return 40;
}
add_filter( 'excerpt_length', 'modernwpthemes_excerpt_length' );
/**
* Replaces "[...]" (appended to automatically generated excerpts) with an ellipsis and _continue_reading_link().
*
* To override this in a child theme, remove the filter and add your own
* function tied to the excerpt_more filter hook.
*/
function modernwpthemes_auto_excerpt_more( $more ) {
return '…' . modernwpthemes_continue_reading_link();
}
add_filter( 'excerpt_more', 'modernwpthemes_auto_excerpt_more' );
/**
* Returns a "Continue Reading" link for excerpts
*/
function modernwpthemes_continue_reading_link() {
return ' ' . __( 'Continue Reading →', '' ) . '';
}
/**
* Adds a pretty "Continue Reading" link to custom post excerpts.
*
* To override this link in a child theme, remove the filter and add your own
* function tied to the get_the_excerpt filter hook.
*/
function modernwpthemes_custom_excerpt_more( $output ) {
if ( has_excerpt() && ! is_attachment() ) {
$output .= modernwpthemes_continue_reading_link();
}
return $output;
}
add_filter( 'get_the_excerpt', 'modernwpthemes_custom_excerpt_more' );
function modernwpthemes_limit_string($string, $limit) {
if (strlen($string) < $limit)
return $string;
$reg ="/^(.{1," . $limit . "}[^\s]*).*$/s";
return preg_replace($reg, '\\1', $string);
}
/**
* Filter in a link to a content ID attribute for the next/previous image links on image attachment pages
*/
function modernwpthemes_enhanced_image_navigation( $url, $id ) {
if ( ! is_attachment() && ! wp_attachment_is_image( $id ) )
return $url;
$image = get_post( $id );
if ( ! empty( $image->post_parent ) && $image->post_parent != $id )
$url .= '#main';
return $url;
}
add_filter( 'attachment_link', 'modernwpthemes_enhanced_image_navigation', 10, 2 );
/**
* Filters wp_title to print a neat tag based on what is being viewed.
*/
function modernwpthemes_wp_title( $title, $sep ) {
global $page, $paged;
if ( is_feed() )
return $title;
// Add the blog name
$title .= get_bloginfo( 'name' );
// Add the blog description for the home/front page.
$site_description = get_bloginfo( 'description', 'display' );
if ( $site_description && ( is_home() || is_front_page() ) )
$title .= " $sep $site_description";
// Add a page number if necessary:
if ( $paged >= 2 || $page >= 2 )
$title .= " $sep " . sprintf( __( 'Page %s', 'modernwpthemes' ), max( $paged, $page ) );
return $title;
}
add_filter( 'wp_title', 'modernwpthemes_wp_title', 10, 2 );