How to convert php array to comma separation

How to convert php array to comma separation: First create a PHP sample file; then use the "implode(",", $_POST['gouwutype']);" method to convert the array to comma separation The string can be.

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php array to comma separated string

Solution:

If $_POST['gouwutype'] is an array array('lastname', 'email', 'phone');

if(isset($_POST['gouwutype'])){
$gouwutype = implode(",", $_POST['gouwutype']);//结果'lastname,email,phone'
}

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