function trimall($str)
{
$qian=array(" "," ","\t","\n","\r");
$hou=array("","","","","");
return str_replace($qian,$hou,$str);
} function trimall($str)
{
$qian=array(" "," ","\t","\n","\r");
$hou=array("","","","","");
return str_replace($qian,$hou,$str);
} 