PHP Parse $_POST Array?

Question

A server sends me a $_POST request in the following format:

POST {
  array1
  {
    info1,
    info2,
    info3
  },
  info4
}

So naturally, I could extract the info# very simply with $_POST['#info']. But how do I get the the three info's in the array1? I tried $_POST['array1']['info1'] to no avail.

Thanks!

 a:2:  {s:7:"payload";s:59:"{"amount":25,"adjusted_amount":17.0,"uid":"jiajia"}";s:9:"signature";s:40:"53764f33e087e418dbbc1c702499203243f759d4";}

is the serialized version of the POST

Jared Farrish · Accepted Answer · 2012-08-18 20:47:49Z

10

Use index notation:

$_POST['array1'][0]
$_POST['array1'][1]
$_POST['array1'][2]

If you need to iterate over a variable response:

for ($i = 0, $l = count($_POST['array1']); $i < $l; $i++) {
    doStuff($_POST['array1'][$i]);
}

This more or less takes this shape in plain PHP:

$post = array();
$post['info'] = '#';
$post['array1'] = array('info1', 'info2', 'info3');

http://codepad.org/1QZVOaw4

So you can see it's really just an array in an array, with numeric indices.

Note, if it's an associative array, you need to use foreach():

foreach ($_POST['array1'] as $key => $val) {
    doStuff($key, $val);
}

http://codepad.org/WW7U5qmN

edited Aug 18, 2012 at 20:47

answered Aug 18, 2012 at 20:01

Jared Farrish

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26 Comments

Yinan Wang Over a year ago

same as above...shows individual characters rather than the value.

Jared Farrish Over a year ago

Then what you posted wasn't accurate to what you're actually handling. :)

Yinan Wang Over a year ago

Yeah well can't do anything about that. Server that posts the data isn't mine. SIGHS This is what you get when you try to translate Ruby to PHP...

Jared Farrish Over a year ago

You don't understand me; see: codepad.org/aSLR61El Notice how similar that is to what you included as representing your actual POST array? That's the problem, what you demonstrated doesn't appear to be what you actually receive.

Jared Farrish Over a year ago

That doesn't change anything. You depicted what I have in the answer; whatever you have in reality, is not depicted in the question. :) Not a big deal, but it is hard to accurately answer a question with imperfect information.

|

Anant Dabhi · Accepted Answer · 2012-08-18 20:02:56Z

2

try

$_POST['array1'][0]
$_POST['array1'][1]
$_POST['array1'][2]

answered Aug 18, 2012 at 20:02

Anant Dabhi

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1 Comment

Anant Dabhi Over a year ago

user for loop like ($counter=0;$counter<count($_post['array1']);$counter++){ $_POST['array1'][$counter]; }

Bjørn Thomsen · Accepted Answer · 2012-08-18 20:02:03Z

1

You can simply use a foreach loop on the $_POST

foreach($_POST["array1"] as $info)
{
    echo $info;
}

or you can access them by their index:

for($i = 0; $i<sizeof($_POST["array1"]); $i++)
{
    echo $_POST["array1"][$i];
}

answered Aug 18, 2012 at 20:02

Bjørn Thomsen

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2 Comments

Yinan Wang Over a year ago

Will extract work? It worked for info# and got me a serialized array1, but what about the contents of array1?

Bjørn Thomsen Over a year ago

Well you should try messing abit arround with it you can also just do an foreach($_POST as $post) and then loop down through that data you might wanna use <pre><%print_r($_POST);%></pre> while playing arround with it to see how your post is really formated.

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