JSON decode multiple nested JSON in PHP

Question

I am using a page builder called King composer for wordpress, where i am trying to build some custom functions, like is intended.

My problem is, that the build-in background color picker is base64 encoding the background properties, So i need to decode it - But first i need to decode the 'my-css' json, so that i can access the different properties.

this is the return of what i get from the builder.

array (
    '_id' => '69391',
    'image' => '294,9,16',
    'gallery-text' => 'Dette er nærmest et galleri',
    'my-css' => '{
           `kc-css`:{
                  `any`:{
                       `typography`{`color|`:`#ffffff`},
                       `background`{`background|`:`longBase64StringHere`},
                       `box`:{`margin|`:`100px inherit inherit inherit`}
                       }
                    }
                 }',
      )

So far i have tried:

 $decodedBackground = base64_decode($atts['my-css']);

which returns as null

then i tried :

 $decodedJson = json_decode($atts['my-css']);

which returns : null

Also tried some other stuff that went horriably wrong

I don't really understand it, I can access the other properties fine, since it is just a part of an array, but the CSS part, I cannot comprehend. I think I need to go deeper in - but I can't get it to work.

Been stuck for about 1.5 hours now, so any help or pointers would be appreciated

/------ EDIT -----/

So this is how i am trying to inspect the decoded json afterwards - might be important.

 $decodedJson = json_decode($atts['my-css'], true);
 echo '<pre>' . var_export($decodedJson, true) . '</pre>';

that will also return null - tried it earlier while writing my question. — Stender
– Stender, Commented Apr 21, 2017 at 8:54
Sorry the content under my-css is not a valid json.. please make sure — M A SIDDIQUI
– M A SIDDIQUI, Commented Apr 21, 2017 at 9:00
The value of $atts['my-css'] doesn't use a standard encoding. It is not JSON and I cannot see anything encoded using base64 in the data you posted. — axiac
– axiac, Commented Apr 21, 2017 at 9:03
Is there a way of changing the encoding, or another way of accessing the singlular values in my-css? — Stender
– Stender, Commented Apr 21, 2017 at 9:04

Victor Castro · Accepted Answer · 2017-04-21 09:04:46Z

2

This is maybe not the best way to do because the JSON in kc-css is not well formated, but this code works for your case:

// Refomating JSON
$atts['my-css'] = str_replace('`{', '`:{', $atts['my-css']);
$atts['my-css'] = str_replace('`', '"', $atts['my-css']);

$json = json_decode($atts['my-css'], true);

answered Apr 21, 2017 at 9:04

Victor Castro

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1 Comment

Stender Over a year ago

This works for this time - but having to do this for everytime I need a css value will be a bother. Thank you - I managed to get to the string be going echo '<pre>' . var_export($json['kc-css']['any']['background']['background|'], true) . '</pre>';

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