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Home Backend Development PHP Tutorial 一个PHP算法方面的计算题。

一个PHP算法方面的计算题。

Jun 20, 2016 pm 12:34 PM

aaa = trim(request("aaa"))
bbb = trim(request("bbb"))
ccc = trim(request("ccc"))
ddd = trim(request("ddd"))
eee = trim(request("eee"))
fff = trim(request("fff"))
ggg = trim(request("ggg"))
hhh = trim(request("hhh"))
。。。。。。。。。。
。。。。。。。。。。
?>

如何用PHP快速计算出本页面到底接收了几个不为空的参数?,并把参数个数及参数值逐一echo出来。

(注意:这些参数中,如果是带有半角逗号或空格时,需要按照多参数来计算。并用split拆分开,也逐一echo出来)

此问题之前已经有一个很好的ASP写法,由于初学PHP,所以不知道怎么改写为PHP的。

网址如下: http://bbs.csdn.net/topics/391906200


回复讨论(解决方案)

1

<?php$request = $_REQUEST;foreach($request as $k=>$v){    if(trim($v)!=''){        echo $k .'='.$v.PHP_EOL;    }}?>

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1

<?php$request = $_REQUEST;foreach($request as $k=>$v){    if(trim($v)!=''){        echo $k .'='.$v.PHP_EOL;    }}?>

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谢谢版主,请看私信,因为我还希望有循环功能,以便逐一处理表单每一个字段的数据并写入数据库,保存这些查询条件。

1

<?php$request = $_REQUEST; foreach($request as $k=>$v){    if(trim($v)!=''){        $v=str_replace(", ",",",$v);        $v=str_replace(" ",",",$v);        $arr = explode(',', $v);        echo "<hr>key:". $k. "<br>";        foreach($arr as $kk=>$vv){            if(trim($vv)!=''){                echo $k.$kk.'--value:'.$vv.'<br>';            }        }    }}?>

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1

<?php$request = $_REQUEST; foreach($request as $k=>$v){    if(trim($v)!=''){        $v=str_replace(", ",",",$v);        $v=str_replace(" ",",",$v);        $arr = explode(',', $v);        echo "<hr>key:". $k. "<br>";        foreach($arr as $kk=>$vv){            if(trim($vv)!=''){                echo $k.$kk.'--value:'.$vv.'<br>';            }        }    }}?>

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赞一个啊!!版主真棒。

@傲雪星枫 老大,我又追问了一贴,请你回答一下我啊。

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