How to add attribute in JSON in PHP?

Question

I have Json in PHP like this:

$json = '{"total":"100", "page":"1", "records":"100", "rows": [ 
{"no":"1","part_number":"2","part_name":"3","price":"4","note":"8"}]}';

and I want to add

"test1":"5","test2":"7"

into JSON above.

so it will be like this:

$json = '{"total":"100", "page":"1", "records":"100", "rows": [ 
    {"no":"1","part_number":"2","part_name":"3","price":"4","test1":"5","test2":"7","note":"8"}]}';

Please, help me. How to add attribute in JSON in PHP?

You could parse the json string into an array using json_decode, add the new attributes to the array, and recreate the json string using json_encode. — FThompson
– FThompson, Commented Jun 19, 2013 at 16:19
the examples in stackoverflow.com/questions/1745052/… use array definitions. Rio is wanting to add attributes(properties) — user20232359723568423357842364
– user20232359723568423357842364, Commented Jun 19, 2013 at 16:30
@user20232359723568423357842364: You can simply pass true as second argument to json_decode. No difference. Apparently 4 years ago people didn't require so much hand-holding. — Felix Kling
– Felix Kling, Commented Jun 19, 2013 at 16:35
Beginners have always required hand-holding ;) 4 years ago there weren't as many around here — user20232359723568423357842364
– user20232359723568423357842364, Commented Jun 19, 2013 at 16:44

user20232359723568423357842364 · Accepted Answer · 2013-06-19 16:39:22Z

11

$json = '{"total":"100", "page":"1", "records":"100", "rows": [ 
{"no":"1","part_number":"2","part_name":"3","price":"4","note":"8"}]}';

// decode json
$json = json_decode($json);

// add data
$json->rows[0]->test1 = "5";
$json->rows[0]->test2 = "7";

// echo it for testing puproses
print_r($json);
// re-encode 
$json = json_encode($json);

echo $json;

edited Jun 19, 2013 at 16:39

answered Jun 19, 2013 at 16:19

user20232359723568423357842364

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8 Comments

sharif2008 Over a year ago

{"total":"100","page":"1","records":"100","rows":[{"no":"1","part_number":"2","part_name":"3","price":"4","test1":"5","test2":"7","note":"8"}],"test1":"5","test2":"7"} its your final output.does not match to what is wanted

Rio Eduardo Over a year ago

it should be like this: {"total":"100","page":"1","records":"100","rows":[{"no":"1","part_number":"2","p‌art_name":"3","price":"4","test1":"5","test2":"7","note":"8"}]} not like this: {"total":"100","page":"1","records":"100","rows":[{"no":"1","part_number":"2","p‌art_name":"3","price":"4","note":"8"}],"test1":"5","test2‌":"7"}

Rio Eduardo Over a year ago

yeah sharif that's the output but not match to what is wanted, can you help me?

sharif2008 Over a year ago

yeah @RioEduardo .i also mentioned this.

Rio Eduardo Over a year ago

@user20232359723568423 - nah, that's the answer, thank you so much for helping :)

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