Listing all the curl constants and viewing them in PHP – how to see the curl opt integer constants

Here is the thing :), I was working on some API where there is an example of cURL usage for it. For some weird reason the developer has decided to use the php cur option integer constant rather than the nice constant names [listed here].
So i have to use this little snippet to reverse match them..
No biggie, just sharing

$all_constants=get_defined_constants(true); // list all defined constants in the world
$curl_opts=array_flip($all_constants['curl]);
ksort($curl_opts);
print_r($curl_opts);

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