How to create Binary attribute value in aws-sdk-php for dynamodb putItem

I have a hex representation of a binary value (e.g. "ed634d...").

Using the aws-sdk-php to deal with a dynamoDB PutItem call, how would I feed that value to it? How do I need to convert it for DynamoDB to recognize it as the bytes that are the source for that hex representation?

        $this->client->putItem([
            'Item' => [
                'encryptedCredentials' => [
            //  This doesn't work. What binary representation would work here?
                    'B' => 'ed634d...',
                ],

Leeroy Hannigan ESPECIALISTA
há 2 anos
What exception are you getting?
Steve Bagwell
há 2 anos
I was given the answer. I needed to use 'B' => hex2bin('ed634d...'),
Steve Bagwell
há 2 anos
@Leeroy Hannigan I wasn't actually getting an exception. However, another script that needed that value was choking on it.

I've posted the solution as an answer below.

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