javascript - json from js to php - failed to open stream: http request failed -

i trying send json data js php, , pass mongo rest.

the following outputs json string (that works fine later if put string in php file, please see snippet below).

js send json:

var s = json.stringify(send); //s contains previous data in arrays, etc  ic(s);  function ic(s){     var ajaxurl = './im.php';     $.getjson(ajaxurl,      {da: s},      function(data) {        console.log (data); }); } 

in im.php:

$s = $_get["da"]; // <-- doesn't work //$s = '{"r":"pax","c":1,"w":["kiwi","melon"],"g":["cat","dog"]}'; //<-- works fine $opts = array(     "http" => array(         "method"  => "post",         "header"  => "content-type: application/json",         "content" => $s,     ), );  $context = stream_context_create($opts);  $result = file_get_contents("https://api.mongolab.com/api/1/databases/$db/collections/$collection?apikey=$key", false, $context);  var_dump($result); // dumps response document 

at firefox debugger, can see file being called, no data added.

error_log file created: failed open stream: http request failed! http/1.1 400 bad request

i tried urlencode($s) in php, still not working. $db, $collection , $key defiend in php, no problem there.

what missing?

basically json.stringify(send) function designed in such way make json getting.

json.stringify(value[, replacer[, space]]) 

you should use function properly. read docs know more. useful if have input value js array or js object can converted single string.

you getting '{/"r/":/"pax/",/"c/":1 in case if trying stringify json in string format.

these:

var s = ['1','2','3']; ,  var s = "['1','2','3']"; 

are totally different things.

if sending array or json object can send directly using code above. example :

send = {"r":"pax","c":1,"w":["kiwi","melon"],"g":["cat","dog"]}; ic(send);  function ic(s){     var ajaxurl = 'im.php';     $.getjson(ajaxurl,      {da: s},      function(data) {        console.log (data); }); } 

make sure handle array @ php side properly. if want return json, do:

$s = $_get["da"]; //this array. var jsonobject = json_encode($s); 

or can stringify there , provide.

or else send string , use json_decode make json in php