function line_break_set($subject, $type) {
switch ($type) {
case 'mac':
$ending = '\r';
break;
case 'pc':
$ending = '\r\n';
break;
default:
$ending = '\n';
}
return preg_replace('/\r\n|\n\r|\n|\r/', $ending, $subject);
}
$str = "Multiple\rtypes of\n\rline breaks\r\nhave been placed
within this string\n\nSee?";
$mac = line_break_set($str, 'mac');
$unix = line_break_set($str, 'unix');
$pc = line_break_set($str, 'pc');
echo 'mac = ', addcslashes($mac, "\n\r"), "\npc = ",
addcslashes($pc, "\n\r"), "\nunix = ",
addcslashes($unix, "\n\r"), '
';
?>