在函数字符串中添加换行符


Adding line break within function string

我是PHP新手。在下面的函数中如何给fedex字符串的位添加换行符?

tep_draw_textarea_field('comments', 'soft', '60', '5', 'Shipped via Fedex www.fedex.ca Tracking number:');

函数是这样定义的:

function tep_draw_form($name, $action, $parameters = '', $method = 'post', $params = '')

使用双引号和"'n":

tep_draw_textarea_field('comments', 'soft', '60', '5', 
     "Shipped via Fedex www.fedex.ca Tracking number:'n");

换行符用"'n";

下面的代码将插入一个换行符(注意双引号):
tep_draw_textarea_field('comments', 'soft', '60', '5', "Shipped via Fedex www.fedex.ca'n Tracking number:");