How to transform a JSON String into PHP array

Question

A JSON string is sent via a HTTP request to my webservice, it looks like this:

[\"Mairie\",\"Préfectures et sous-préfectures\"]

How can i do to make a simple php array in which i can perform php arrays functions such as implode.

I tried this but it didn't transform the JSON String into an array:

    $list=json_decode($_POST["The_JSON_Parameter"],true);

EDIT:

var_dump(json_decode($_POST["The_JSON_Parameter"], true));   
$var=json_decode($_POST["The_JSON_Parameter"],true);
$in_list = "'".implode("','", $var)."'";
$myFile = "testFile.txt";
$fh = fopen($myFile, 'w') or die("can't open file");
fwrite($fh, $in_list);//in the text file i got this empty string: ''

pastebin.com/6dbHBxGU Well, probably I'm extra lucky? :)

Nemoden
– Nemoden

2012-01-24 08:17:32 +00:00
Commented Jan 24, 2012 at 8:17 — Nemoden
– Nemoden, Commented Jan 24, 2012 at 8:17
possible duplicate of how to decode this JSON string?

mario
– mario

2012-01-24 08:35:29 +00:00
Commented Jan 24, 2012 at 8:35 — mario
– mario, Commented Jan 24, 2012 at 8:35
php.net/manual/en/security.magicquotes.disabling.php

mario
– mario

2012-01-24 08:35:43 +00:00
Commented Jan 24, 2012 at 8:35 — mario
– mario, Commented Jan 24, 2012 at 8:35

xdazz · Accepted Answer · 2012-01-24 08:16:08Z

3

$var = "[\"Mairie\",\"Préfectures et sous-préfectures\"]";
var_dump(json_decode($var, true));

/*result:
array(2) {
  [0]=>
  string(6) "Mairie"
  [1]=>
  (33) "Préfectures et sous-préfectures"
}
*/

Works fine, please do var_dump($_POST["The_JSON_Parameter"])

answered Jan 24, 2012 at 8:16

xdazz

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11 Comments

Malloc Over a year ago

But i need to store the return of the var_dump into an array to process it later, the var_dump didin't give a return.

xdazz Over a year ago

@Malek You can just do what you did as $list=json_decode($_POST["The_JSON_Parameter"],true), var_dump is just for showing the result.

mowwwalker Over a year ago

@xdazz, This is strange. This doesn't work for me with the accented letters. Do you know what php setting I need to fix?

xdazz Over a year ago

@Walkerneo Please note that json_decode only works with UTF-8 encoded data.

Malloc Over a year ago

@xdazz: please have a look on my EDIT.

|

anubhava · Accepted Answer · 2012-01-24 08:17:30Z

0

If you try this code:

$str = "[\"Mairie\",\"Préfectures et sous-préfectures\"]";
var_dump(json_decode($str,true));

You will get:

array(2) {
  [0]=>
  string(6) "Mairie"
  [1]=>
  string(33) "Préfectures et sous-préfectures"
}

So are you sure your $_POST["The_JSON_Parameter"] has the same value i.e. a string literal "[\"Mairie\",\"Préfectures et sous-préfectures\"]" ?

answered Jan 24, 2012 at 8:17

anubhava

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