commit

docs/ccxt/examples/ccxt.pro/php/one-exchange-many-streams.php

@@ -0,0 +1,30 @@
+<?php
+
+$root = dirname(dirname(dirname(dirname(__FILE__))));
+include $root . '/ccxt.php';
+
+$id = 'aax';
+$exchange_class = '\\ccxt\\pro\\' . $id;
+$exchange = new $exchange_class(array(
+    'enableRateLimit' => true,
+));
+
+$symbols = array('BTC/USDT', 'ETH/USDT', 'ETH/BTC');
+
+function print_orderbook($orderbook, $symbol) {
+    $id = isset($orderbook['nonce']) ? $orderbook['nonce'] : $orderbook['datetime'];
+    echo $id, ' ', $symbol, ' ',
+        count($orderbook['asks']), ' asks ', json_encode($orderbook['asks'][0]), ' ',
+        count($orderbook['bids']), ' bids ', json_encode($orderbook['bids'][0]), "\n";
+}
+
+$loop = function($exchange, $symbol) {
+    while (true) {
+        $orderbook = yield $exchange->watch_order_book($symbol);
+        print_orderbook($orderbook, $symbol);
+    }
+};
+
+foreach ($symbols as $symbol) {
+    \React\Async\coroutine($loop, $exchange, $symbol);
+}