mongodb - Upload a CSV FIle in php and make it as json format -

i have csv file , want upload csv file mongodb. through php function. id handle 1 naveen
2 bos
how can read , make json encoded format in php needed json format

{"id" : "1", "handle" : "naveen"}, {"id" : "2", "handle" : "bos"} 

i using code

    if (isset($_post['submit'])) {         if (is_uploaded_file($_files['filename']['tmp_name'])) {             echo "<h1>" . "file ". $_files['filename']['name'] ." uploaded successfully." . "</h1>";             echo "<h2>displaying contents:</h2>";             readfile($_files['filename']['tmp_name']);         }         $handle = fopen($_files['filename']['tmp_name'], "r");          while (($data = fgetcsv($handle, 1000, ",")) !== false) {             $data=json_encode($data);             print_r($data);                  }          fclose($handle);             print "import done";          } else {     print "<form enctype='multipart/form-data' action='upload.php' method='post'>";     print "file name import:<br />\n";     print "<input size='50' type='file' name='filename'><br />\n";     print "<input type='submit' name='submit' value='upload'></form>"; } 

the output id,name 1,naveen 2,bos ["id","name"]["1","naveen"]["2","bos"] needed jsonencoded format this

{"id" : "1", "handle" : "naveen"}, {"id" : "2", "handle" : "bos"} 

how can this? please help

$keys="";     $result=array();     while (($data = fgetcsv($handle, 1000, ",")) !== false) {         if($keys==""){             $keys = $data;         }else{             $output = array();                       ($i=0; $i <count($keys) ; $i++) {                  $output[$keys[$i]]=$data[$i];              }             array_push($result, $output);         }     }     echo "<pre>";     print_r(json_encode($result));     echo "</pre>";