PHP Oauth Client parser

oauth-client.php

<?php

Route::get('oauth/client', function() {
	$url = OAUTH_DOMAIN . '/oauth/access_token';

	$post = [
	'grant_type' => 'authorization_code',
	'code' => Input::get('code'),
	'redirect_uri' => OAUTH_REDIRECT_URI,
	'client_id' => OAUTH_ID,
	'client_secret' => OAUTH_SECRET
	];

	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_POST, count($post));
	curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
	curl_setopt($ch, CURLOPT_HEADER, 0);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$result = curl_exec($ch);
	curl_close($ch);
	echo $result;
});