拆分字符串的最佳方法是什么？

Question

我有一套绳子

Host: example.com, IP address: 37.0.122.151, SBL: SBL196170, status: unknown, level: 4, Malware: Citadel, AS: 198310, country: RU

我想要这种格式的每一个数据。

$host = "example.com";
$ip = "37.0.122.151";
$SBL = "SBL196170";
$status = unknown;
$level = "4";
$malware = "Citadel";
$as = "1098310";
$country = "RU";

得到那根绳子最好的方法是什么？我应该先使用","，然后再使用":"，还是有一种解决方案？

提前谢谢你。

Answer 1

就像这样：

$input = "Host: example.com, IP address: 37.0.122.151, SBL: SBL196170, status: unknown, level: 4, Malware: Citadel, AS: 198310, country: RU";
preg_match_all('/(\w+): ([\w.]+)/', $input, $matches);
print_r($matches);

输出：

Array
(
    [0] => Array
        (
            [0] => Host: example.com
            [1] => address: 37.0.122.151
            [2] => SBL: SBL196170
            [3] => status: unknown
            [4] => level: 4
            [5] => Malware: Citadel
            [6] => AS: 198310
            [7] => country: RU
        )

    [1] => Array
        (
            [0] => Host
            [1] => address
            [2] => SBL
            [3] => status
            [4] => level
            [5] => Malware
            [6] => AS
            [7] => country
        )

    [2] => Array
        (
            [0] => example.com
            [1] => 37.0.122.151
            [2] => SBL196170
            [3] => unknown
            [4] => 4
            [5] => Citadel
            [6] => 198310
            [7] => RU
        )

)

然后：

$mydata = array_combine($matches[1], $matches[2]);
print_r($mydata);

给予：

Array
(
    [Host] => example.com
    [address] => 37.0.122.151
    [SBL] => SBL196170
    [status] => unknown
    [level] => 4
    [Malware] => Citadel
    [AS] => 198310
    [country] => RU
)

Answer 2

我将在字符串上使用一个简单的爆发，然后为每个元素填充一个包含键/值信息的数组：

$string = 'Host: ...';
$raw_array = explode(',', $string);
$final_array = array();
foreach($raw_array as $item) {
    $item_array = explode(':', trim($item));
    $key = trim($item_array[0]);
    $value = trim($item_array[1]);
    $final_array[$key] = $value;
}
var_dump($final_array);

请注意，这不是像在问题中所问的那样使用单个变量，而是使用基于字符串键的键值填充单个数组。这是一种更灵活的办法。

Answer 3

您可以使用regex替换将其转换为查询字符串-esq字符串，然后使用parse_str将其转换为关联数组。没有循环，两条线！

$string = preg_replace(array('/:/', '/, /'), array('=','&'), $string);
parse_str($string, $output);

var_dump($output);
/*
array(8) { ["Host"]=> string(8) " xxx.com" ["IP_address"]=> string(13) " 37.0.122.151" ["SBL"]=> string(10) " SBL196170" ["status"]=> string(8) " unknown" ["level"]=> string(2) " 4" ["Malware"]=> string(8) " Citadel" ["AS"]=> string(7) " 198310" ["country"]=> string(3) " RU" } 
*/

在这里试试：http://codepad.viper-7.com/5gwWyC

文档

• preg_replace - http://php.net/manual/en/function.preg-replace.php
• parse_str - http://php.net/manual/en/function.parse-str.php