authorize.net sample code help

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Help, Im working on the authorize.net api and need some help. There is a way to get the resppnce codes from using explode() but i dont know how. The code is below:

// This line takes the response and breaks it into an array using the specified delimiting character

$response_array = explode($post_values["x_delim_char"],$post_response);




// The results are output to the screen in the form of an html numbered list.

echo "<OL>\n";

foreach ($response_array as $value)

{

    echo "<LI>" . $value . "&nbsp;</LI>\n";

    $i++;

}

echo "</OL>\n"; 

After that part is then says:

// individual elements of the array could be accessed to read certain response

// fields. For example, response_array[0] would return the Response Code,

// response_array[2] would return the Response Reason Code.

// for a list of response fields, please review the AIM Implementation Guide

So how do I get the response_array[0] so I can echo it? Thanks

[spiderling]

It is actually how they show you. Hopefully the documentation has what the value of each position in the array is, ie: position zero is Response Code.

echo 'Response Code: '.$response_array[0];
echo 'Response Reason Code: '.$response_array[2]; 

The foreach loop will list all the responses. The above code allows you to pick only the ones you want to display.