Add Multisite Support

src/Installer/WordPressInstaller.php

@@ -111,6 +111,18 @@ public function runInstall()
     {
         Command::debug('Installing WordPress');
 
+        if ($this->props->isMultisite()) {
+            $this->runMultisiteInstall();
+        } else {
+            $this->runSingleInstall();
+        }
+    }
+
+    /**
+     * Run single site WordPress install.
+     */
+    protected function runSingleInstall()
+    {
         WP::core('install', [
             'url'            => $this->props->fullUrl(),
             'title'          => $this->props->site_name,
@@ -121,6 +133,27 @@ public function runInstall()
         ]);
     }
 
+    /**
+     * Run multisite network WordPress install.
+     */
+    protected function runMultisiteInstall()
+    {
+        $args = [
+            'url'            => $this->props->fullUrl(),
+            'title'          => $this->props->site_name,
+            'admin_user'     => $this->props->option('admin_user'),
+            'admin_password' => $this->props->option('admin_password'),
+            'admin_email'    => $this->props->option('admin_email', "admin@{$this->props->domain}"),
+            'skip-email'     => true
+        ];
+
+        if ($this->props->isSubdomains()) {
+            $args['subdomains'] = true;
+        }
+
+        WP::core('multisite-install', $args);
+    }
+
     /**
      * Install the sqlite database drop-in.
      */

src/Props.php

@@ -129,6 +129,26 @@ public function isSecure()
         return ! ($this->option('unsecure') || $this->option('portable'));
     }
 
+    /**
+     * Whether or not the install will be a multisite network.
+     *
+     * @return bool
+     */
+    public function isMultisite()
+    {
+        return (bool) $this->option('network') || $this->option('subdomains');
+    }
+
+    /**
+     * Whether or not the install will use subdomains for multisite.
+     *
+     * @return bool
+     */
+    public function isSubdomains()
+    {
+        return (bool) $this->option('subdomains');
+    }
+
     /**
      * Get an option value by name.
      *

src/ValetCommand.php

@@ -154,6 +154,12 @@ public static function boot()
      * [--portable]
      * : Provision the site to be portable. Implies --unsecure and --db=sqlite.
      *
+     * [--network]
+     * : Install WordPress as a multisite network.
+     *
+     * [--subdomains]
+     * : Use subdomains for multisite. Implies --network.
+     *
      * @subcommand new
      *
      * @when before_wp_load