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docs/ccxt/wiki/examples/php/load-all-at-once-async.md

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+- [Load All At Once Async](./examples/php/)
+
+
+ ```php
+ <?php
+
+use Recoil\React\ReactKernel;
+use Recoil\Recoil;
+
+include './ccxt.php';
+
+date_default_timezone_set('UTC');
+
+function loadMarkets($exchange) {
+    try {
+        echo "Querying " . $exchange->id . "...\n";
+        $markets = yield $exchange->load_markets ();
+        $msg = count (array_values ($markets)) . " markets: " .
+            implode (', ', array_slice ($exchange->symbols, 0, 5)) . "...\n";
+    } catch (\ccxt\RequestTimeout $e) {
+        $msg = '[Timeout Error] ' . $e->getMessage() . ' (ignoring)' . "\n";
+    } catch (\ccxt\DDoSProtection $e) {
+        $msg = '[DDoS Protection Error] ' . $e->getMessage() . ' (ignoring)' . "\n";
+    } catch (\ccxt\AuthenticationError $e) {
+        $msg = '[Authentication Error] ' . $e->getMessage() . ' (ignoring)' . "\n";
+    } catch (\ccxt\ExchangeNotAvailable $e) {
+        $msg = '[Exchange Not Available] ' . $e->getMessage() . ' (ignoring)' . "\n";
+    } catch (\ccxt\NotSupported $e) {
+        $msg = '[Not Supported] ' . $e->getMessage() . ' (ignoring)' . "\n";
+    } catch (\ccxt\NetworkError $e) {
+        $msg = '[Network Error] ' . $e->getMessage() . ' (ignoring)' . "\n";
+    } catch (\ccxt\ExchangeError $e) {
+        $msg = '[Exchange Error] ' . $e->getMessage() . ' (ignoring)' . "\n";
+    } catch (Exception $e) {
+        $msg = '[Error] ' . $e->getMessage() . "\n";
+    }
+    echo "--------------------------------------------\n";
+    echo $exchange->id . "\n";
+    echo $msg;
+    echo "\n";
+}
+
+$loop = \React\EventLoop\Factory::create();
+$kernel = \Recoil\React\ReactKernel::create($loop);
+
+$kernel->execute(function() use ($loop, $kernel) {
+    $exchanges = \ccxt\Exchange::$exchanges;
+
+    $yields = [];
+
+    foreach ($exchanges as $exchange) {
+        $id = "\\ccxt_async\\".$exchange;
+        $exchange = new $id(array('loop' => $loop, 'kernel' => $kernel));
+
+        $yields[] = loadMarkets($exchange);
+    }
+    yield $yields;
+
+}, $loop);
+
+$kernel->run(); 
+```