Alternative of php's explode/implode-functions in c#

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are there a similar functions to explode/implode in the .net-framework?

or do i have to code it by myself?

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String.Split() will explode, and String.Join() will implode.

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The current answers are not fully correct, and here is why:

all works fine if you have a variable of type string[], but in PHP, you can also have KeyValue arrays, let's assume this one:

$params = array(
    'merchantnumber' => "123456789", 
    'amount' => "10095", 
    'currency' => "DKK"
);

and now call the implode method as echo implode("", $params); your output is

12345678910095DKK

and, let's do the same in C#:

var kv = new Dictionary<string, string>() {
             { "merchantnumber", "123456789" },
             { "amount", "10095" },
             { "currency", "DKK" }
         };

and use String.Join("", kv) we will get

[merchantnumber, 123456789][amount, 10095][currency, DKK]

not exactly the same, right?

what you need to use, and keep in mind that's what PHP does, is to use only the values of the collection, like:

String.Join("", kv.Values);

and then, yes, it will be the same as the PHP implode method

12345678910095DKK

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You can test PHP code online using http://WriteCodeOnline.com/php/

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There are two methods that correspond to PHP's explode and implode methods.

The PHP explode's equivalent is String.Split. The PHP implode's equivalent is String.Join.