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<?php
/**
 * Keep links in Excerpts
 * 
 * @package WordPress
 * @subpackage BeTheme Child
 * @since BeTheme Child 1.0
 */
remove_filter('get_the_excerpt', 'wp_trim_excerpt');
add_filter('get_the_excerpt', 'nl_wp_trim_excerpt');
function nl_wp_trim_excerpt($text) {
	$raw_excerpt = $text;
	if ( '' == $text ) {
		$text = get_the_content('');
		$text = strip_shortcodes( $text );
		$text = apply_filters('the_content', $text);
		$text = str_replace(']]>', ']]>', $text);
		$text = strip_tags($text, '<a>');
		$excerpt_length = apply_filters('excerpt_length', 55);
		$excerpt_more = apply_filters('excerpt_more', ' ' . '[...]');
		$words = preg_split('/(<a.*?a>)|\n|\r|\t|\s/', $text, $excerpt_length + 1, PREG_SPLIT_NO_EMPTY|PREG_SPLIT_DELIM_CAPTURE );
		if ( count($words) > $excerpt_length ) {
			array_pop($words);
			$text = implode(' ', $words);
			$text = $text . $excerpt_more;
		}  else {
			$text = implode(' ', $words);
		}
	}
	return apply_filters('new_wp_trim_excerpt', $text, $raw_excerpt);
}