$allBranches = array();
 
$requests = function($projects) {
foreach($projects as $project) {
yield new Request('GET', "projects/".$project['id']."/repository/branches?per_page=100");
}
};
 
$pool = new Pool($this - >client, $requests($projects), ['concurrency' = >5, 'fulfilled' = >
function($response, $index) use($allBranches) {
$data = json_decode($response - >getBody() - >getContents(), true);
print_r($data);
array_push($allBranches, $data);
//return $data;
},
'rejected' = >
function($reason, $index) {
// this is delivered each failed request
echo "rejected";
},
]);
// Initiate the transfers and create a promise
$promise = $pool - >promise();
 
// Force the pool of requests to complete.
$response = $promise - >wait();
 
return $allBranches;