obtener params

fields.php

<?php

    $contenido = 'Aqui iria el contenido {jForm type="text" value="nombre"} de prueba {jForm test="probandox"} test.';
    $regex = '/{jForm\s(.*?)}/i';

    preg_match_all($regex, $contenido, $matches, PREG_SET_ORDER);

    if ($matches)
    {
        foreach ($matches as $match)
        {
            $matcheslist = explode(',', $match[1]);

            // $pattern = '/\{jForm\}(.*?)\{\/jForm\}/s';

            $position = trim($matcheslist[0]);

            echo $position;

        }

    }

?>