PHP create a json response from php to look like stripe api result

Question

I need to create a json response to look like Stripe API response using PHP. This is the structure I want to get:

{ "body": "{\n \"error\": \"Please enter a valid secret key\",\n}\n", }

This is the code I have so far:

first I create the array:

class Error {

    public $errors = array(
        'body' => array( 'error' => false ),
    );

    if ($this->errors['body']['error'] === false) {
        $this->errors['body']['error'] = 'Please enter a valid secret key'
    }
    
    $resp = json_encode( $this->errors ) 
    echo wp_send_json( $resp );
}

but the result I get is: json_encode result:

{"body":{"error":"Please enter a valid secret key"}}

echo wp_send_json( $resp ) result:

res = "{\"body\":{\"error\":\"Please enter a valid secret key\"}}"

I don't want the body to be encoded. What am I missing?

Looks like you should run json_encode twice: first time for $this->errors['body'] and then for something like array('body' => $resp). For ex., sandbox.onlinephpfunctions.com/code/… — Ihor Vyspiansky
– Ihor Vyspiansky, Commented Jan 1, 2022 at 9:42

Nigel Ren · Accepted Answer · 2022-01-01 18:28:49Z

1

It looks like only the data is json_encoded with the error...

$this->errors['body'] = json_encode( 
             ['error' => 'Please enter a valid secret key']);

This won't have the newlines in it, see if that is a problem.

Or to do this at the end (useful to include that you need this in the question)...

$resp = json_encode( $this->errors['body'], JSON_PRETTY_PRINT );

echo wp_send_json(['data' => $resp]);

edited Jan 1, 2022 at 18:28

answered Jan 1, 2022 at 9:35

Nigel Ren

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4 Comments

DavSev Over a year ago

Thanks, I need the encode to be at the end of the process. not when I place the error value.

Nigel Ren Over a year ago

@DavSev, updated - please make sure any requirements like having to encode at the end are clear in the question as it can easily be missed.

DavSev Over a year ago

Thanks for the question edit and the clarification, I have done what you suggested. this is the code I have now:

$errors_resp = json_encode( $this->errors['body'], JSON_PRETTY_PRINT ); $resp = [ 'body' => $errors_resp ]; echo wp_send_json( $resp );

but the echo result is res = {body: '"{\\"error\\":\\"Please enter a valid secret key\\"}"'} . I would expect the result to be : res = {body: "{\"error\":\"Please enter a valid secret key\"}"} I understand that the error object is encoded twice, how can I solve it? `

DavSev Over a year ago

This is what I eventually did: ``` $resp['body'] = wp_json_encode( [ 'error' => [ 'message' => 'error message' ] ], JSON_PRETTY_PRINT ); wp_send_json( $resp );```

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