读取文本文件并显示部分行

时间:2014-05-20 16:28:09

标签: php arrays string search

我正在创建一个点击计数器。 注册访问者在那里的脚本会创建一个像这样的.txt文件

 IP Adress:127.0.0.1

 Timestamp:1400602795

 User Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36

 Times visited:1

我希望能够获得时间戳和访问时间等信息。 我想这样做的一种方法是创建一个由“:”分隔的数组。

我试图创建数组,但由于某种原因“Times Visited”没有包含在数组中。以下是该尝试的代码:

$fileResource = @fopen("hits/".$_SERVER["REMOTE_ADDR"].".txt","r");
$fileContent = @fread($fileResource,100000);

$array = preg_match_all("/(.*):(.*)\\n/i",$fileContent,$fileMatches);
//0 = IP
//1 = Timestamp
//2 = User Agent
//3 = Times Visited
echo $fileMatches[0][3];

这是我尝试print_r($ fileMatches)

时的输出
Array

(     [0] =>排列         (             [0] => IP地址:127.0.0.1

        [1] => Timestamp:1400604101

        [2] => User Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36

    )

[1] => Array
    (
        [0] => IP Adress
        [1] => Timestamp
        [2] => User Agent
    )

[2] => Array
    (
        [0] => 127.0.0.1
        [1] => 1400604101
        [2] => Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36
    )

)

1 个答案:

答案 0 :(得分:1)

如果您已将文件的全部内容读入字符串,则可以使用explode两次,如下所示:

$s = <<<EOT
IP Address:127.0.0.1

Timestamp:1400602795

User Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36

Times visited:1
EOT;

$arr = array();
foreach (explode("\n", $s) as $line) {    
    if (trim($line) !== '') { // check for empty line
        list($key, $value) = explode(':', $line);   
        $arr[$key] = trim($value);
    }
}
print_r($arr);

这会创建一个这样的数组:

Array ( 
    [IP Address] => 127.0.0.1 
    [Timestamp] => 1400602795 
    [User Agent] => Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36 
    [Times visited] => 1 
) 

或者,您可以使用fread逐个阅读每一行,而不是使用fgets,而是将foreach循环替换为while (fgets($fileResource))

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