php post換行的方法

?php

$str=$_POST['name1'].'-'.$_POST['phone1'].'-'.$_POST['address'].'-'.$_POST['express'];

echo $str."br>";

$fp=fopen("b.txt","a+");

fwrite($fp,$str);//寫(xiě)入

fclose($fp);//關(guān)閉

?>

$str=$_POST['name1'].'-'.$_POST['phone1'].'-'.$_POST['address'].'-'.$_POST['express']."\r\n";