function trimall($str)//删除空格{ $qian=array(" "," ","\t","\n","\r");$hou=array("","","","","");return str_replace($qian,$hou,$str);}
上面自定义函数是将指定内容替换，其中所使用的系统函数为：str_replace
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function trimall($str)//删除空格{ $qian=array(" "," ","\t","\n","\r");$hou=array("","","","","");return str_replace($qian,$hou,$str);}
上面自定义函数是将指定内容替换，其中所使用的系统函数为：str_replace
转载于:https://my.oschina.net/Tingel/blog/56610