typetalk api php sample

typetalk.php

<?php

$clientId     = 'xxxxxxxxxxxxxxxxxxxx';
$clientSecret = 'xxxxxxxxxxxxxxxxxxxx';
$topicId      = 'xxx';

$msg = 'Hello! typetalk! use PHP API!';

$tokenQuery = http_build_query([
    'client_id'     => $clientId,
    'client_secret' => $clientSecret,
    'grant_type'    => 'client_credentials',
    'scope'         => 'topic.post'
]);

$tokenHeaders = [
    'Content-Type: application/x-www-form-urlencoded',
    'Content-Length: ' . strlen($tokenQuery)
];

$tokenContext = stream_context_create([
    'http' => [
        'method' => 'POST',
        'content' => $tokenQuery,
        'header' => [
             implode("\r\n", $tokenHeaders),
        ]
    ]
]);

$ret = file_get_contents('https://typetalk.in/oauth2/access_token', false, $tokenContext);
$accessToken = json_decode($ret, true)['access_token'];

$postQuery = http_build_query([
    'message' => $msg
]);

$postHeaders = [
    'Content-Type: application/x-www-form-urlencoded',
    'Content-Length: ' . strlen($postQuery),
    'Authorization: Bearer '  . $accessToken
];
$postContext = stream_context_create([
    'http' => [
        'method' => 'POST',
        'content' => $postQuery,
        'header' => [
             implode("\r\n", $postHeaders),
        ]
    ]
]);
file_get_contents("https://typetalk.in/api/v1/topics/{$topicId}", false, $postContext);