Assigning the value to JSON in PHP

Question

I have create one JSON

like

   $total_pages = 1;
    $device_details=array('devices'=> array(), 'total_pages');
     while ($rows_fetch = mysqli_fetch_assoc($mysql_all_resultset))
            {
                $details =array('name' => $rows_fetch['name'], 'latitude' => $rows_fetch['currentLatitude'], 'longitude' => $rows_fetch['currentLongitude']);
            array_push($device_details['devices'],$details);
            }
array_push($device_details['total_pages'], $total_pages);

Here device details has been added but total pages will not be add to JSON and gives an Parse error

Shankar Narayana Damodaran · Accepted Answer · 2014-03-20 07:17:17Z

3

You can't use array_push like that. Instead put it like below..

$device_details['total_pages'] = $total_pages;

It is not possible to insert a value on a particular key using array_push.

Illustration of `array_push` failure using a simple insert on a particular key.

<?php
$new=array();
array_push($new['car'],'hello');
print_r($new);

OUTPUT :

Warning: array_push() expects parameter 1 to be array, null given in /tmp/execpad-cf3c45951562/source-cf3c45951562 on line 3
Array
(
    [car] => 
)

edited Mar 20, 2014 at 7:17

answered Mar 20, 2014 at 7:11

Shankar Narayana Damodaran

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Comments

xdazz · Accepted Answer · 2014-03-20 07:13:36Z

0

 $total_pages = 1;
 // when you construct the array, do it.
 $device_details=array('devices'=> array(), 'total_pages' => $total_pages);
 while ($rows_fetch = mysqli_fetch_assoc($mysql_all_resultset)) {
    $device_details['devices'][] = array(
          'name' => $rows_fetch['name'], 
          'latitude' => $rows_fetch['currentLatitude'], 
          'longitude' => $rows_fetch['currentLongitude']
    );
 }

answered Mar 20, 2014 at 7:13

xdazz

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Comments

Chris Caviness · Accepted Answer · 2014-03-20 07:14:31Z

0

This line:

$device_details=array('devices'=> array(), 'total_pages');

Should be

$device_details=array('devices'=> array(), 'total_pages' => array());

if you want to use array push

answered Mar 20, 2014 at 7:14

Chris Caviness

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Assigning the value to JSON in PHP

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Illustration of array_push failure using a simple insert on a particular key.

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Illustration of `array_push` failure using a simple insert on a particular key.