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vendor/yiisoft/yii2/console/controllers/ServeController.php

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+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\console\controllers;
+
+use Yii;
+use yii\console\Controller;
+use yii\helpers\Console;
+
+/**
+ * Runs PHP built-in web server.
+ *
+ * In order to access server from remote machines use 0.0.0.0:8000. That is especially useful when running server in
+ * a virtual machine.
+ *
+ * @author Alexander Makarov <sam@rmcreative.ru>
+ * @since 2.0.7
+ */
+class ServeController extends Controller
+{
+    const EXIT_CODE_NO_DOCUMENT_ROOT = 2;
+    const EXIT_CODE_NO_ROUTING_FILE = 3;
+    const EXIT_CODE_ADDRESS_TAKEN_BY_ANOTHER_SERVER = 4;
+    const EXIT_CODE_ADDRESS_TAKEN_BY_ANOTHER_PROCESS = 5;
+
+    /**
+     * @var int port to serve on.
+     */
+    public $port = 8080;
+    /**
+     * @var string path or [path alias](guide:concept-aliases) to directory to serve
+     */
+    public $docroot = '@app/web';
+    /**
+     * @var string path to router script.
+     * See https://secure.php.net/manual/en/features.commandline.webserver.php
+     */
+    public $router;
+
+
+    /**
+     * Runs PHP built-in web server.
+     *
+     * @param string $address address to serve on. Either "host" or "host:port".
+     *
+     * @return int
+     */
+    public function actionIndex($address = 'localhost')
+    {
+        $documentRoot = Yii::getAlias($this->docroot);
+
+        if (strpos($address, ':') === false) {
+            $address = $address . ':' . $this->port;
+        }
+
+        if (!is_dir($documentRoot)) {
+            $this->stdout("Document root \"$documentRoot\" does not exist.\n", Console::FG_RED);
+            return self::EXIT_CODE_NO_DOCUMENT_ROOT;
+        }
+
+        if ($this->isAddressTaken($address)) {
+            $this->stdout("http://$address is taken by another process.\n", Console::FG_RED);
+            return self::EXIT_CODE_ADDRESS_TAKEN_BY_ANOTHER_PROCESS;
+        }
+
+        if ($this->router !== null && !file_exists($this->router)) {
+            $this->stdout("Routing file \"$this->router\" does not exist.\n", Console::FG_RED);
+            return self::EXIT_CODE_NO_ROUTING_FILE;
+        }
+
+        $this->stdout("Server started on http://{$address}/\n");
+        $this->stdout("Document root is \"{$documentRoot}\"\n");
+        if ($this->router) {
+            $this->stdout("Routing file is \"$this->router\"\n");
+        }
+        $this->stdout("Quit the server with CTRL-C or COMMAND-C.\n");
+
+        passthru('"' . PHP_BINARY . '"' . " -S {$address} -t \"{$documentRoot}\" $this->router");
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function options($actionID)
+    {
+        return array_merge(parent::options($actionID), [
+            'docroot',
+            'router',
+            'port',
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     * @since 2.0.8
+     */
+    public function optionAliases()
+    {
+        return array_merge(parent::optionAliases(), [
+            't' => 'docroot',
+            'p' => 'port',
+            'r' => 'router',
+        ]);
+    }
+
+    /**
+     * @param string $address server address
+     * @return bool if address is already in use
+     */
+    protected function isAddressTaken($address)
+    {
+        list($hostname, $port) = explode(':', $address);
+        $fp = @fsockopen($hostname, $port, $errno, $errstr, 3);
+        if ($fp === false) {
+            return false;
+        }
+        fclose($fp);
+        return true;
+    }
+}