php end of line marker

hope you peops can help .... i know its something really stupid

im writing values to a text file

but need to include the line terminator in my string built in php code

.... im trying somthing like this but i keep getting errors

$content=$email . '/n';

and ...

$content=$email & '/n';

and ....

$content=$email + '/n';

and also with double quotes ...... please help ;)

Try this: $email . "\n"

Double-quotes.

Or: "$email\n";

the latter worked ;) many thanks