Kirby - Extract the first paragraph from an article

kirby-first-paragraph.php

<?php
    //If you want to remove the paragraph tags from the resulting string, uncomment the second line of the function.
    function getFirstPara($string){
        $string = substr($string,0, strpos($string, "</p>")+4);
        //$string = str_replace("<p>", "", str_replace("<p/>", "", $string));
        return $string;
    }

    $text = getFirstPara(kirbytext($page->text())); ?>
?>

<?php echo $text?>