need help cleaning up fetchall from mysql database

I have the following php code:

PHP Code:

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      $connect = new PDO('mysql:host=localhost;dbname=xxxxx', "xxxx", "xxxx");
      $connect->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

            $sth = $connect->prepare("SELECT email FROM contacts");
            $sth->execute();
            $result = $sth->fetchAll(PDO::FETCH_COLUMN, 0);
            
        $v = var_export($result, true);
      echo $v; 


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The partial results look like this:

array ( 0 => 'martyc@windstream.net', 1 => 'emailaddress2', 2 => 'emailaddress3', 3 => 'emailaddress4', 4 =>

How can I get this to look like this:
martyc@windstream.net, emailaddress2, emailaddress3, emailaddress4,

Thanks for any help

Is there no one who could tell me how to get 1 column from a database without the extra stuff like row number and "=>".
I've been working on this for weeks

If I am understanding you correctly just replace

Code:

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        $v = var_export($result, true);

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with

Code:

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        $v = implode(", ", $result);

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It was that easy. Thanks