[php] 字串移除空白

移除斷行字元 :

preg_replace( "/\\s/", "" , $content );



移除空白字元 :

$str = trim($str);

$str = preg_replace(\'/\\s(?=\\s)/\', \'\', $str);

$str = preg_replace(\'/[\\n\\r\\t]/\', \' \', $str);