#iU", $html, $result); $openedtags = $result[1]; preg_match_all("##iU", $html, $result); $closedtags = $result[1]; $len_opened = count($openedtags); if (count($closedtags) == $len_opened) { return $html; } $openedtags = array_reverse($openedtags); for ($i=0; $i < $len_opened; $i++) { if (!in_array($openedtags[$i], $closedtags)) { $html .= ""; } else { unset($closedtags[array_search($openedtags[$i], $closedtags)]); } } return $html; } /** * Text shortener. * * Given a string, it trims in the proximity of the * desired string, up to the next white character. If indicated, it will * append a link to the full text. * * @param string $text The text to shorten. * @param int $length The desired length. * @param string $link_text Text for the link. Optional. * @param string $link URI of the link. * @return string Shortened text. */ public static function cut_text($text, $length, $link_text = "", $link = ""){ if (strlen($text) < $length){ return $text; } $cut = substr($text, 0, strpos($text, " ", $length)); $cut = close_tags($cut); if (strlen($cut) == 0){ $cut = $text; } if (strlen($text) != strlen($cut) && strlen($link) > 0 && strlen($link_text) > 0){ $cut = $cut . "... $link_text"; } return $cut; } } ?>