您可以按点分解摘录的内容。例如：
$text = "Morbi consequat tempor augue. Nec fringilla eros auctor scelerisque. Etiam in ullamcorper tellus. Sed ac dui rutrum.";
$pieces = explode(".", $text);
echo $pieces[1]; // get second sentence = Nec fringilla eros auctor scelerisque
也许这可以帮助你。
