正则表达式将格式化的字符串拆分为关联数组

I have a string that looks like:

我有一个看起来像这样的字符串：

KEY1,"Value"KEY2,"Value"Key3,"Value"

This string will always vary in the number of keys/values i need an associative array:

这个字符串总是在我需要一个关联数组的键/值的数量上有所不同：

array (
    'KEY1' => 'Value',
    'KEY2' => 'Value',
    'KEY3' => 'Value'
);

of the data contained in the string, a regular expression would be best I suppose?

对于字符串中包含的数据，我认为正则表达式是最好的吗？

3 个解决方案

#1

Assuming your values don't contain a " in them you can do:

假设您的值不包含“在其中，您可以执行以下操作：

$str    = 'KEY1,"Value1"KEY2,"Value2"Key3,"Value3"';
$pieces = preg_split('/(?<=[^,]")/',$str,-1,PREG_SPLIT_NO_EMPTY);
$result = array();

foreach($pieces as $piece) {
        list($k,$v) = explode(",",trim$piece);
        $result[$k] = trim($v,'"');
}

See it in action!

看到它在行动！

#2

php> $str = 'KEY1,"Value"KEY2,"Value"Key3,"Value"';

php> $hash = array();

php> preg_match_all("/(.*?),\"(.*?)\"/", $str, $m);

php> foreach($m[1] as $index => $key) {
 ... $hash[$key] = $m[2][$index];
 ... }

php> var_dump($hash);
array(3) {
  ["KEY1"]=>
  string(5) "Value"
  ["KEY2"]=>
  string(5) "Value"
  ["Key3"]=>
  string(5) "Value"
}

#3

If the key changes between values then you'll need preg_split(). If the key is always the same then explode() should be more than adequate.

如果键在值之间发生变化，那么您将需要preg_split（）。如果密钥总是相同，那么explode（）应该是足够的。

#1