php删除字符串中的所有空格 其实是对trim函数的扩展 trim只能删除字符串两边的空格function trimall($str)//删除空格 { $qian=array(" "," ","\t","\n","\r");$hou=array("","","","",""); return str_replace($qian,$hou,$str); }登录后复制
