function excerpt($excerpt = '', $length = '')
{
// Save a copy of the raw excerpt
$raw_excerpt = $excerpt;
// Excerpt length default
if (empty($length)) {
$length = absint(option('excerpt_length'));
}
// Generate an excerpt where none exists
if (empty($excerpt)) {
$post = get_post();
if (empty($post)) {
return;
}
// Don't return an excerpt for a protected post
if (post_password_required($post->ID)) {
return esc_html__('This post is protected.', 'ubik');
}
// Post contents will serve as the basis for generating the excerpt
$excerpt = $post->post_content;
}
// Sanitize excerpt
$excerpt = apply_filters('ubik_excerpt_sanitize', wptexturize(\Ubik\text_truncate($excerpt, $length, esc_html(option('excerpt_more')))));
// Run the excerpt through a filter on the way out the door
return apply_filters('ubik_excerpt', $excerpt, $raw_excerpt);
}
function meta_description_sanitize($desc = '')
{
// Provide an opportunity to filter the incoming description and return early if no text was provided
$desc = apply_filters('ubik_seo_meta_sanitize_before', $desc);
if (empty($desc)) {
return;
}
// For the sake of simplicity; you could also use …
if (preg_match('/^utf\\-?8$/i', get_option('blog_charset'))) {
$ending = _x('…', 'meta description ending', 'ubik');
} else {
$ending = _x('...', 'meta description ending', 'ubik');
}
// Excerpt length and ending; these can be set in ubik-config.php
$length = absint(apply_filters('ubik_seo_meta_length', 80));
$ending = esc_html(apply_filters('ubik_seo_meta_ending', $ending));
// Truncate with internal Ubik function
$desc = \Ubik\text_truncate($desc, $length, $ending);
// Filter the results and return
return apply_filters('ubik_seo_meta_sanitize_after', $desc);
}