解决了不

Question

就把空格之类的去掉啊

Answer 1

trim($s)
把字符串两边的空白字符删除

Answer 2

//替换掉所有空格
$a = "f fds fdsaf  fdsafd    fdsa  w fe  f f     fds a   ";
$s = array(" " => "", "　" => "","  "=>""," "=>""," "=>"");
$b=strtr($a, $s);
Echo '<textarea style="width:100%;height:200px">',$b,'</textarea>';

Answer 3

trim()
str_replace()
preg_replace()