examples - duplicated ticker examples remove from php

examples/php/async-await-fetch-multiple.php

@@ -0,0 +1,22 @@
+<?php
+// Instead of yield generators, now users can use modern Async/Await syntax
+include dirname(dirname(dirname(__FILE__))) . '/ccxt.php';
+date_default_timezone_set('UTC');
+
+use function React\Async\async;
+use function React\Async\await;
+use function React\Promise\all;
+
+$exchange = new ccxt\async\binance([]);
+await($exchange->load_markets());
+$symbols = array('BTC/USDT', 'ETH/USDT', 'DOGE/USDT');
+
+
+echo "########### Combined await ###########\n";
+$promises = [];
+foreach ($symbols as $symbol) {
+    $promises[] = $exchange->fetch_ticker($symbol);
+}
+$tickers = await(all($promises));
+
+echo "{$tickers[0]['symbol']} {$tickers[0]['close']}  |  {$tickers[1]['symbol']} {$tickers[1]['close']}  |  {$tickers[21]['symbol']} {$tickers[2]['close']}\n";

examples/php/fetch-ticker.php

@@ -10,11 +10,26 @@
     // 'verbose' => true, // for debugging
     'timeout' => 30000,
 ));
+
+// If you want to use test-mode (a.k.a. sandbox), uncomment the following line:
+// $exchange->set_sandbox_mode(true); 
+
 $symbol = 'ETH/USDT';
 
 try {
-    $result = $exchange->fetch_ticker($symbol);
-    echo "Ticker: " . $result['symbol'] . ', 24hr high: '. $result['high']. "\n";
+    if (array_key_exists($symbol, $exchange->markets)) {
+        $market = $exchange->market($symbol);
+    } else {
+        echo $exchange->id . ' does not have market symbol ' . $symbol . "; Supported symbols:\n";
+        echo print_r($exchange->symbols, true) . "\n";
+        exit();
+    }
+    if($market['active']) {
+        $result = $exchange->fetch_ticker($symbol);
+        echo "Ticker: " . $result['symbol'] . ', 24hr high: '. $result['high']. "\n";
+    } else {
+        echo $exchange->id . ' market ' . $symbol . " is not active!\n";
+    }
 } catch (Exception $e) {
     if ($e instanceof \ccxt\NetworkError) {
         echo '[Network Error] ' . $e->getMessage() . "\n";

examples/php/fetch-tickers.php

@@ -11,13 +11,30 @@
     'timeout' => 30000,
 ));
 
+$markets = $exchange->load_markets();
+
 try {
-    $result = $exchange->fetch_tickers (); // note, don't call it for binance more than once in every few seconds.
-    print_r ($result);
-} catch (\ccxt\NetworkError $e) {
-    echo '[Network Error] ' . $e->getMessage() . "\n";
+    if ($exchange->has['fetchTickers']) {
+        // one API call for all tickers (preferred way)
+        $result = $exchange->fetch_tickers (); // note, don't call it for specifically binance more than once in every few seconds.
+        echo "Called fetchTickers() for all tickers at once. Results count: " . count($result) . "\n";
+    } else if ($exchange->has['fetchTicker']) {
+        // Individual API calls for all tickers one by one (non-preferred way)
+        echo "fetchTickers() is not supported by " . $exchange->id . ", calling individual fetchTicker() for each symbol instead.\n";
+        // fetch one by one (not recommended)
+        $i = 0;
+        $test_symbols_amount = 4;
+        foreach ($markets as $symbol => $m) {
+            if ($i++ && $i > $test_symbols_amount) {
+                echo "Stopping after getting " . $test_symbols_amount . " test symbols.\n";
+                break;
+            }
+            $result = $exchange->fetch_ticker($symbol);
+            echo "Fetched ticker for " . $result['symbol'] . ", 24hr high: " . $result['high'] . "\n";
+        }
+    } else {
+        echo "fetchTicker/s() not supported by " . $exchange->id . ", skipping.\n";
+    }
 } catch (Exception $e) {
     echo '[Error] ' . $e->getMessage() . "\n";
 }
-
-?>