query_vars['s'] ) )
return 'DISTINCT';
}
function search_comments_where( $where ) {
global $wp_query, $wpdb;
$q = $wp_query->query_vars;
if ( empty( $q['s'] ) )
return $where;
$n = empty( $q['exact'] ) ? '%' : '';
$search = array( "comment_post_ID = $wpdb->posts.ID AND comment_approved = '1'" );
foreach( (array) $q['search_terms'] as $term ) {
$term = esc_sql( like_escape( $term ) );
$search[] = "( comment_content LIKE '{$n}{$term}{$n}' )";
}
$search = " OR ( " . implode( " AND ", $search ) . " )";
$where = preg_replace( "/\bor\b/i", "$search OR", $where, 1 );
return $where;
}
function search_comments_join( $join ) {
global $wp_query, $wpdb, $request;
if (!empty($wp_query->query_vars['s']))
$join .= " LEFT JOIN $wpdb->comments ON ( comment_post_ID = ID AND comment_approved = '1' )";
return $join;
}
function get_search_terms() {
$search = get_query_var( 's' );
$search_terms = get_query_var( 'search_terms' );
if ( !empty($search_terms) ) {
return $search_terms;
} else if ( !empty($search) ) {
return array($search);
}
return array();
}
function highlight_terms_in_text( $text ) {
$query_terms = array_filter( array_map( 'trim', $this->get_search_terms() ) );
foreach ( $query_terms as $term ) {
$term = preg_quote( $term, '/' );
if ( !preg_match( '/<.+>/', $text ) ) {
$text = preg_replace( '/(\b'.$term.'\b)/i','$1', $text );
} else {
$text = preg_replace( '/(?<=>)([^<]+)?(\b'.$term.'\b)/i','$1$2', $text );
}
}
return $text;
}
function highlight_terms_in_tags( $tags ) {
$query_terms = array_filter( array_map( 'trim', $this->get_search_terms() ) );
// tags are kept escaped in the db
$query_terms = array_map( 'esc_html', $query_terms );
foreach( array_filter((array)$tags) as $tag )
if ( in_array( trim($tag->name), $query_terms ) )
$tag->name ="". $tag->name . "";
return $tags;
}
}
?>