How to pass data containing special characters through curl - php

Question

I cannot able to post data its contain the special characters through curl ,Any solution ?
first code is my curl function ,second code is my data need to pass
$communication_data_string = 'token='.json_encode(array(
"activityTypeId"=>12,
"activityId"=>5,
"userID"=> 10,
"partyID"=>20,
"message_area_name"=>("this is my test data with special cheractors&&!###$%$%%*)++")
)
);
echo(datPostingCURL($url, $communication_data_string));
?>
this seems to not returning anything if the messageData contains the special character's

Answer 1

Try urlencode
or
How about using the entity codes...
# = %40
& = %26

Answer 2

change the line
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
to
curl_setopt($ch, CURLOPT_POSTFIELDS, urlencode($data_string));
the receive it in following way as you are not using any specific post variable
$data = urldecode(file_get_contents('php://input'));

Answer 3

Check the following code. I tested it in my local system. In my www director I created a folder named "test" for keeping the code. Then I created 2 files in that "test" folder. One file for sending the request and one for processing the request.
1. curl.php
<?php
function datPostingCURL($url, $data_string)
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_COOKIESESSION, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
return $result;
}
$url = "http://localhost/test/curl_post.php";
$communication_data_string = 'token='.json_encode(array(
"activityTypeId"=>12,
"activityId"=>5,
"userID"=> 10,
"partyID"=>20,
"message_area_name"=>base64_encode("hai ..this is my test data .!###$%$%%*)++")
)
);
echo(datPostingCURL($url, $communication_data_string));
?>
2. curl_post.php
<?php
print_r(json_decode($_POST['token']));
$details = json_decode($_POST['token']); var_dump($details);
echo base64_decode($details->message_area_name);
?>
Note : While using special characters you should encode that string. I tried to convert it with htmlspecialchars(). But it didn't worked. So I used base64 encoding method here.