What is the best way to retrieve all POST variables with dynamic names in PHP?

When dealing with POST variables with dynamic names in PHP, the best way to retrieve all of them is by looping through the $_POST superglobal array and checking for variables with the desired naming pattern. This can be achieved by using a foreach loop to iterate through all POST variables and then using regular expressions or string manipulation to filter out the variables with dynamic names.

// Loop through all POST variables and retrieve those with dynamic names
foreach ($_POST as $key => $value) {
    if (preg_match('/^dynamic_name_\d+$/', $key)) {
        // Process the variable with dynamic name
        echo "Variable $key has value: $value";
    }
}