How to decode an array of json objects

Question

I have an array of json objects like so:

[{"a":"b"},{"c":"d"},{"e":"f"}]

What is the best way to turn this into a php array?

json_decode will not handle the array part and returns NULL for this string.

Works fine for me. If you use json_decode($arr, true) you'll get a Associative Array. Otherwise, you'll get an array of Objects. Perhaps that is the problem you are having? — Dominic Barnes
– Dominic Barnes, Commented Apr 7, 2010 at 16:38

Amy B · Accepted Answer · 2010-04-07 16:35:40Z

18

json_decode() does so work. The second param turns the result in to an array:

var_dump(json_decode('[{"a":"b"},{"c":"d"},{"e":"f"}]', true));

// gives

array(3) {
  [0]=>
  array(1) {
    ["a"]=>
    string(1) "b"
  }
  [1]=>
  array(1) {
    ["c"]=>
    string(1) "d"
  }
  [2]=>
  array(1) {
    ["e"]=>
    string(1) "f"
  }
}

answered Apr 7, 2010 at 16:35

Amy B

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3 Comments

thetaiko Over a year ago

When the second parameter is true, "returned objects will be converted into associative arrays"

webbiedave Over a year ago

My version (PHP 5.2.9, json 1.2.1) also properly parses the json string into an array.

Byron Whitlock Over a year ago

Yeah my bad. The code to scrape the json from the page was flawed. thanks.

thetaiko · Accepted Answer · 2010-04-07 16:36:28Z

6

$array = '[{"a":"b"},{"c":"d"},{"e":"f"}]';
print_r(json_decode($array, true));

Read the manual - parameters for the json_decode method are clearly defined: http://www.php.net/manual/en/function.json-decode.php

answered Apr 7, 2010 at 16:36

thetaiko

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