PHP code example of sof3 / await-generator

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

sof3 / await-generator example snippets

load_data(function($data) {
    $init = count($data) === 0 ? init_data(...) : fn($then) => $then($data);
    $init(function($data) {
        $output = [];
        foreach($data as $k => $datum) {
            processData($datum, function($result) use(&$output, $data) {
                $output[$k] = $result;
                if(count($output) === count($data)) {
                    createQueries($output, function($queries) {
                        $run = function($i) use($queries, &$run) {
                            runQuery($queries[$i], function() use($i, $queries, $run) {
                                if($i === count($queries)) {
                                    $done = false;
                                    commitBatch(function() use(&$done) {
                                        if(!$done) {
                                            $done = true;
                                            echo "Done!\n";
                                        }
                                    });
                                    onUserClose(function() use(&$done) {
                                        if(!$done) {
                                            $done = true;
                                            echo "User closed!\n";
                                        }
                                    });
                                    onTimeout(function() use(&$done) {
                                        if(!$done) {
                                            $done = true;
                                            echo "Timeout!\n";
                                        }
                                    });
                                } else {
                                    $run($i + 1);
                                }
                            });
                        };
                    });
                }
            });
        }
    });
});

$data = yield from load_data();
if(count($data) === 0) $data = yield from init_data();
$output = yield from Await::all(array_map(fn($datum) => processData($datum), $data));
$queries = yield from createQueries($output);
foreach($queries as $query) yield from runQuery($query);
[$which, ] = yield from Await::race([
    0 => commitBatch(),
    1 => onUserClose(),
    2 => onTimeout(),
])
echo match($which) {
    0 => "Done!\n",
    1 => "User closed!\n",
    2 => "Timeout!\n",
};

function oldApi($args, Closure $onSuccess) {
    Await::f2c(fn() => $onSuccess(yield from newApi($args)));
}

function newApi($args, Closure $onSuccess, Closure $onError) {
    Await::f2c(function() use($onSuccess, $onError) {
        try {
            $onSuccess(yield from newApi($args));
        } catch(Exception $ex) {
            $onError($ex);
        }
    });
}

yield from Await::promise(fn($resolve, $reject) => oldFunction($args, $resolve, $reject));