json encode of multiple arrays using php

Question

I have an arrays like follows:

Array
(
    [option] => nos
    [optioncost] => 10
)

Array
(
    [option] => opts
    [optioncost] => 20
)

Array
(
    [option] => opts
    [optioncost] => 30
)

need to convert this as like the following json format

[{"option":nos,"optioncost":10},{"option":opts,"optioncost":20},{"option":optse,"optioncost":30}]

you created different array. create single array and push data on different index. — Devsi Odedra
– Devsi Odedra, Commented Apr 21, 2018 at 13:00
thanks for the reply....i have six different input fileds how to make them as single array — testmail test
– testmail test, Commented Apr 21, 2018 at 13:02
If you have a fixed number of arrays, you can do $arr=[$arr1,$arr2,$arr3];. — Syscall
– Syscall, Commented Apr 21, 2018 at 13:07

Alan · Accepted Answer · 2018-04-21 13:46:08Z

1

Try this code :

    <?php

    $arr = array();
    $arr[] = array('option' => 'nos',
    'optioncost' => 10
    );

    $arr[] = array('option' => 'opts',
    'optioncost' => 20
    );
    $arr[] = array('option' => 'optse',
    'optioncost' => 30
    );



    echo json_encode($arr);
    ?>

Output :

  [{"option":"nos","optioncost":10},{"option":"opts","optioncost":20},{"option":"opts","optioncost":30}]

Hope this helps !

edited Apr 21, 2018 at 13:46

answered Apr 21, 2018 at 13:09

Alan

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1 Comment

Pedro Lobito Over a year ago

Why would the OP try your code? You should always provide an explanation whenever possible.

Pedro Lobito · Accepted Answer · 2018-04-21 13:45:04Z

0

The json example you've provided isn't valid because strings aren't quoted (nos / opts), something you could have easily tested on any online json validator.
You'll need to construct proper arrays - where strings are "quoted" - and use the json_encode() function, i.e.:

$arr1 = ['option' => "nos", 'optioncost' => 10];
$arr2 = ['option' => "opts", 'optioncost' => 20];
$arr3 = ['option' => "opts", 'optioncost' => 30];
echo json_encode([$arr1, $arr2, $arr3]);
# [{"option":"nos","optioncost":10},{"option":"opts","optioncost":20},{"option":"opts","optioncost":30}]

DEMO

Note:

Strings need to be quoted, but floats, ints or bools don't.

edited Apr 21, 2018 at 13:45

answered Apr 21, 2018 at 13:27

Pedro Lobito

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