• Tunnel of Mirdamad Metro Station
  • Rafsanjan Museum & Cultural Center
  • P.M.O. Central Building
  • Mirdamad Metro Station
  • Tehran Flower and Plant Exhibition
  • Tehran Flower and Plant Exhibition

Our Values

As a major engineering, construction and building company, we pride ourselves on running by a set of core values.

Safety

Everybody goes home without harm at the end of the day

Integrity

Honesty, respect and equitable treatment for all, without compromise

Creative

Creating solutions to meet our customers' needs

Projects

Image
Tehran Flower and Plant Exhibition
Completed
Image
Mirdamad Underground Station and Tunnel
Completed
Image
P.M.O. Central Building
Completed
Image
Hesarak Shopping Mall - Alborz Complex
Completed
Image
Boushehr Customs Building and Control Tower
Completed
Image
Nezam Abad Underground Station
Completed
ALL PROJECTS

START EXECUTING YOUR PROJECT

021-88502391-2
Whoops! There was an error.
ErrorException (E_WARNING)
file_put_contents(): Only 0 of 176 bytes written, possibly out of free disk space ErrorException thrown with message "file_put_contents(): Only 0 of 176 bytes written, possibly out of free disk space" Stacktrace: #7 ErrorException in /home/covac/domains/cova-co.com/cova980312/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:122 #6 file_put_contents in /home/covac/domains/cova-co.com/cova980312/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:122 #5 Illuminate\Filesystem\Filesystem:put in /home/covac/domains/cova-co.com/cova980312/vendor/laravel/framework/src/Illuminate/Session/FileSessionHandler.php:83 #4 Illuminate\Session\FileSessionHandler:write in /home/covac/domains/cova-co.com/cova980312/vendor/laravel/framework/src/Illuminate/Session/Store.php:129 #3 Illuminate\Session\Store:save in /home/covac/domains/cova-co.com/cova980312/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php:87 #2 Illuminate\Session\Middleware\StartSession:terminate in /home/covac/domains/cova-co.com/cova980312/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php:218 #1 Illuminate\Foundation\Http\Kernel:terminateMiddleware in /home/covac/domains/cova-co.com/cova980312/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php:189 #0 Illuminate\Foundation\Http\Kernel:terminate in /home/covac/domains/cova-co.com/public_html/index.php:60
Application frames (0) All frames (8)
7
ErrorException
…
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Filesystem
/
Filesystem.php
122
6
file_put_contents
…
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Filesystem
/
Filesystem.php
122
5
Illuminate
\
Filesystem
\
Filesystem
put
…
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Session
/
FileSessionHandler.php
83
4
Illuminate
\
Session
\
FileSessionHandler
write
…
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Session
/
Store.php
129
3
Illuminate
\
Session
\
Store
save
…
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Session
/
Middleware
/
StartSession.php
87
2
Illuminate
\
Session
\
Middleware
\
StartSession
terminate
…
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Foundation
/
Http
/
Kernel.php
218
1
Illuminate
\
Foundation
\
Http
\
Kernel
terminateMiddleware
…
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Foundation
/
Http
/
Kernel.php
189
0
Illuminate
\
Foundation
\
Http
\
Kernel
terminate
/
home
/
covac
/
domains
/
cova-co.com
/
public_html
/
index.php
60
/
home
/
covac
/
domains
/
cova-co.com
/
cova980312
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Filesystem
/
Filesystem.php
 
     *
     * @param  string  $path
     * @return string
     */
    public function hash($path)
    {
        return md5_file($path);
    }
 
    /**
     * Write the contents of a file.
     *
     * @param  string  $path
     * @param  string  $contents
     * @param  bool  $lock
     * @return int
     */
    public function put($path, $contents, $lock = false)
    {
        return file_put_contents($path, $contents, $lock ? LOCK_EX : 0);
    }
 
    /**
     * Prepend to a file.
     *
     * @param  string  $path
     * @param  string  $data
     * @return int
     */
    public function prepend($path, $data)
    {
        if ($this->exists($path)) {
            return $this->put($path, $data.$this->get($path));
        }
 
        return $this->put($path, $data);
    }
 
    /**
     * Append to a file.
Arguments 
  1. "file_put_contents(): Only 0 of 176 bytes written, possibly out of free disk space"
/
home
/
covac
/
domains
/
cova-co.com
/
cova980312
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Filesystem
/
Filesystem.php
 
     *
     * @param  string  $path
     * @return string
     */
    public function hash($path)
    {
        return md5_file($path);
    }
 
    /**
     * Write the contents of a file.
     *
     * @param  string  $path
     * @param  string  $contents
     * @param  bool  $lock
     * @return int
     */
    public function put($path, $contents, $lock = false)
    {
        return file_put_contents($path, $contents, $lock ? LOCK_EX : 0);
    }
 
    /**
     * Prepend to a file.
     *
     * @param  string  $path
     * @param  string  $data
     * @return int
     */
    public function prepend($path, $data)
    {
        if ($this->exists($path)) {
            return $this->put($path, $data.$this->get($path));
        }
 
        return $this->put($path, $data);
    }
 
    /**
     * Append to a file.
Arguments 
  1. "/home/covac/domains/cova-co.com/cova980312/storage/framework/sessions/zc9qVUclCEiPoLO8mxgaLj8Gc6PjcX32xAwdz8w4"

  2. "a:3:{s:6:"_token";s:40:"k8Ff0pujJV0tQiuZ12gNvOjPRXimm09T0zVvXfKk";s:9:"_previous";a:1:{s:3:"url";s:18:"http://cova-co.com";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}"

  3. 2
/
home
/
covac
/
domains
/
cova-co.com
/
cova980312
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Session
/
FileSessionHandler.php
 
    /**
     * {@inheritdoc}
     */
    public function read($sessionId)
    {
        if ($this->files->exists($path = $this->path.'/'.$sessionId)) {
            if (filemtime($path) >= Carbon::now()->subMinutes($this->minutes)->getTimestamp()) {
                return $this->files->get($path, true);
            }
        }
 
        return '';
    }
 
    /**
     * {@inheritdoc}
     */
    public function write($sessionId, $data)
    {
        $this->files->put($this->path.'/'.$sessionId, $data, true);
 
        return true;
    }
 
    /**
     * {@inheritdoc}
     */
    public function destroy($sessionId)
    {
        $this->files->delete($this->path.'/'.$sessionId);
 
        return true;
    }
 
    /**
     * {@inheritdoc}
     */
    public function gc($lifetime)
    {
        $files = Finder::create()
Arguments 
  1. "/home/covac/domains/cova-co.com/cova980312/storage/framework/sessions/zc9qVUclCEiPoLO8mxgaLj8Gc6PjcX32xAwdz8w4"

  2. "a:3:{s:6:"_token";s:40:"k8Ff0pujJV0tQiuZ12gNvOjPRXimm09T0zVvXfKk";s:9:"_previous";a:1:{s:3:"url";s:18:"http://cova-co.com";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}"

  3. true
/
home
/
covac
/
domains
/
cova-co.com
/
cova980312
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Session
/
Store.php
 
     *
     * @param  string  $data
     * @return string
     */
    protected function prepareForUnserialize($data)
    {
        return $data;
    }
 
    /**
     * Save the session data to storage.
     *
     * @return bool
     */
    public function save()
    {
        $this->ageFlashData();
 
        $this->handler->write($this->getId(), $this->prepareForStorage(
            serialize($this->attributes)
        ));
 
        $this->started = false;
    }
 
    /**
     * Prepare the serialized session data for storage.
     *
     * @param  string  $data
     * @return string
     */
    protected function prepareForStorage($data)
    {
        return $data;
    }
 
    /**
     * Age the flash data for the session.
     *
     * @return void
Arguments 
  1. "zc9qVUclCEiPoLO8mxgaLj8Gc6PjcX32xAwdz8w4"

  2. "a:3:{s:6:"_token";s:40:"k8Ff0pujJV0tQiuZ12gNvOjPRXimm09T0zVvXfKk";s:9:"_previous";a:1:{s:3:"url";s:18:"http://cova-co.com";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}"
/
home
/
covac
/
domains
/
cova-co.com
/
cova980312
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Session
/
Middleware
/
StartSession.php
 
        if ($this->sessionConfigured()) {
            $this->storeCurrentUrl($request, $session);
 
            $this->addCookieToResponse($response, $session);
        }
 
        return $response;
    }
 
    /**
     * Perform any final actions for the request lifecycle.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Symfony\Component\HttpFoundation\Response  $response
     * @return void
     */
    public function terminate($request, $response)
    {
        if ($this->sessionHandled && $this->sessionConfigured() && ! $this->usingCookieSessions()) {
            $this->manager->driver()->save();
        }
    }
 
    /**
     * Start the session for the given request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Contracts\Session\Session
     */
    protected function startSession(Request $request)
    {
        return tap($this->getSession($request), function ($session) use ($request) {
            $session->setRequestOnHandler($request);
 
            $session->start();
        });
    }
 
    /**
     * Get the session implementation from the manager.
/
home
/
covac
/
domains
/
cova-co.com
/
cova980312
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Foundation
/
Http
/
Kernel.php
 
     * @return void
     */
    protected function terminateMiddleware($request, $response)
    {
        $middlewares = $this->app->shouldSkipMiddleware() ? [] : array_merge(
            $this->gatherRouteMiddleware($request),
            $this->middleware
        );
 
        foreach ($middlewares as $middleware) {
            if (! is_string($middleware)) {
                continue;
            }
 
            list($name) = $this->parseMiddleware($middleware);
 
            $instance = $this->app->make($name);
 
            if (method_exists($instance, 'terminate')) {
                $instance->terminate($request, $response);
            }
        }
    }
 
    /**
     * Gather the route middleware for the given request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    protected function gatherRouteMiddleware($request)
    {
        if ($route = $request->route()) {
            return $this->router->gatherRouteMiddleware($route);
        }
 
        return [];
    }
 
    /**
Arguments 
  1. Request {#42
  #json: null
  #convertedFiles: null
  #userResolver: Closure {#382
    class: "Illuminate\Auth\AuthServiceProvider"
    this: AuthServiceProvider {#41 …}
    parameters: {
      $guard: {
        default: null
      }
    }
    use: {
      $app: Application {#2 …}
    }
  }
  #routeResolver: Closure {#384
    class: "Illuminate\Routing\Router"
    this: Router {#25 …}
    use: {
      $route: Route {#183 …}
    }
  }
  +attributes: ParameterBag {#44}
  +request: ParameterBag {#50}
  +query: ParameterBag {#50}
  +server: ServerBag {#46}
  +files: FileBag {#47}
  +cookies: ParameterBag {#45}
  +headers: HeaderBag {#48}
  #content: null
  #languages: null
  #charsets: null
  #encodings: null
  #acceptableContentTypes: array:4 [
    0 => "text/html"
    1 => "application/xhtml+xml"
    2 => "application/xml"
    3 => "*/*"
  ]
  #pathInfo: "/"
  #requestUri: "/"
  #baseUrl: ""
  #basePath: null
  #method: "GET"
  #format: null
  #session: Store {#428}
  #locale: null
  #defaultLocale: "en"
  -isHostValid: true
  -isForwardedValid: true
  basePath: ""
  format: "html"
}

  2. Response {#442}
/
home
/
covac
/
domains
/
cova-co.com
/
cova980312
/
vendor
/
laravel
/
framework
/
src
/
Illuminate
/
Foundation
/
Http
/
Kernel.php
 
     */
    protected function dispatchToRouter()
    {
        return function ($request) {
            $this->app->instance('request', $request);
 
            return $this->router->dispatch($request);
        };
    }
 
    /**
     * Call the terminate method on any terminable middleware.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Illuminate\Http\Response  $response
     * @return void
     */
    public function terminate($request, $response)
    {
        $this->terminateMiddleware($request, $response);
 
        $this->app->terminate();
    }
 
    /**
     * Call the terminate method on any terminable middleware.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Illuminate\Http\Response  $response
     * @return void
     */
    protected function terminateMiddleware($request, $response)
    {
        $middlewares = $this->app->shouldSkipMiddleware() ? [] : array_merge(
            $this->gatherRouteMiddleware($request),
            $this->middleware
        );
 
        foreach ($middlewares as $middleware) {
            if (! is_string($middleware)) {
Arguments 
  1. Request {#42
  #json: null
  #convertedFiles: null
  #userResolver: Closure {#382
    class: "Illuminate\Auth\AuthServiceProvider"
    this: AuthServiceProvider {#41 …}
    parameters: {
      $guard: {
        default: null
      }
    }
    use: {
      $app: Application {#2 …}
    }
  }
  #routeResolver: Closure {#384
    class: "Illuminate\Routing\Router"
    this: Router {#25 …}
    use: {
      $route: Route {#183 …}
    }
  }
  +attributes: ParameterBag {#44}
  +request: ParameterBag {#50}
  +query: ParameterBag {#50}
  +server: ServerBag {#46}
  +files: FileBag {#47}
  +cookies: ParameterBag {#45}
  +headers: HeaderBag {#48}
  #content: null
  #languages: null
  #charsets: null
  #encodings: null
  #acceptableContentTypes: array:4 [
    0 => "text/html"
    1 => "application/xhtml+xml"
    2 => "application/xml"
    3 => "*/*"
  ]
  #pathInfo: "/"
  #requestUri: "/"
  #baseUrl: ""
  #basePath: null
  #method: "GET"
  #format: null
  #session: Store {#428}
  #locale: null
  #defaultLocale: "en"
  -isHostValid: true
  -isForwardedValid: true
  basePath: ""
  format: "html"
}

  2. Response {#442}
/
home
/
covac
/
domains
/
cova-co.com
/
public_html
/
index.php
 
|--------------------------------------------------------------------------
| Run The Application
|--------------------------------------------------------------------------
|
| Once we have the application, we can handle the incoming request
| through the kernel, and send the associated response back to
| the client's browser allowing them to enjoy the creative
| and wonderful application we have prepared for them.
|
*/
 
$kernel = $app->make(Illuminate\Contracts\Http\Kernel::class);
 
$response = $kernel->handle(
    $request = Illuminate\Http\Request::capture()
);
 
$response->send();
 
$kernel->terminate($request, $response);
Arguments 
  1. Request {#42
  #json: null
  #convertedFiles: null
  #userResolver: Closure {#382
    class: "Illuminate\Auth\AuthServiceProvider"
    this: AuthServiceProvider {#41 …}
    parameters: {
      $guard: {
        default: null
      }
    }
    use: {
      $app: Application {#2 …}
    }
  }
  #routeResolver: Closure {#384
    class: "Illuminate\Routing\Router"
    this: Router {#25 …}
    use: {
      $route: Route {#183 …}
    }
  }
  +attributes: ParameterBag {#44}
  +request: ParameterBag {#50}
  +query: ParameterBag {#50}
  +server: ServerBag {#46}
  +files: FileBag {#47}
  +cookies: ParameterBag {#45}
  +headers: HeaderBag {#48}
  #content: null
  #languages: null
  #charsets: null
  #encodings: null
  #acceptableContentTypes: array:4 [
    0 => "text/html"
    1 => "application/xhtml+xml"
    2 => "application/xml"
    3 => "*/*"
  ]
  #pathInfo: "/"
  #requestUri: "/"
  #baseUrl: ""
  #basePath: null
  #method: "GET"
  #format: null
  #session: Store {#428}
  #locale: null
  #defaultLocale: "en"
  -isHostValid: true
  -isForwardedValid: true
  basePath: ""
  format: "html"
}

  2. Response {#442}

Environment & details:

empty
empty
empty
empty
empty
Key Value
PHP_INI_SCAN_DIR 
"/usr/local/directadmin/data/users/covac/php/"
PATH 
"/usr/local/bin:/bin:/usr/bin"
HTTP_ACCEPT 
"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
HTTP_ACCEPT_ENCODING 
"br,gzip"
HTTP_ACCEPT_LANGUAGE 
"en-US,en;q=0.5"
HTTP_CONNECTION 
"Keep-Alive"
HTTP_HOST 
"cova-co.com"
HTTP_USER_AGENT 
"CCBot/2.0 (https://commoncrawl.org/faq/)"
HTTP_IF_MODIFIED_SINCE 
"Sun, 25 Oct 2020 13:12:49 GMT"
DOCUMENT_ROOT 
"/home/covac/domains/cova-co.com/public_html"
REMOTE_ADDR 
"18.207.108.182"
REMOTE_PORT 
"51250"
SERVER_ADDR 
"171.22.26.34"
SERVER_NAME 
"cova-co.com"
SERVER_ADMIN 
"webmaster@cova-co.com"
SERVER_PORT 
"80"
REQUEST_SCHEME 
"http"
REQUEST_URI 
"/"
SCRIPT_FILENAME 
"/home/covac/domains/cova-co.com/public_html/index.php"
QUERY_STRING 
""
SCRIPT_URI 
"http://cova-co.com/"
SCRIPT_URL 
"/"
SCRIPT_NAME 
"/index.php"
SERVER_PROTOCOL 
"HTTP/1.1"
SERVER_SOFTWARE 
"LiteSpeed"
REQUEST_METHOD 
"GET"
X-LSCACHE 
"on"
PHP_SELF 
"/index.php"
REQUEST_TIME_FLOAT 
1611374303.0781
REQUEST_TIME 
1611374303
APP_NAME 
"Laravel"
APP_ENV 
"local"
APP_KEY 
"base64:drj/6G8wVh+BMgwYIuqhhoQTKLuNW9FsBe7vT8Sm9tY="
APP_DEBUG 
"true"
APP_URL 
"http://127.0.0.1"
LOG_CHANNEL 
"stack"
DB_CONNECTION 
"mysql"
DB_HOST 
"localhost"
DB_PORT 
"3306"
DB_DATABASE 
"covac_cova"
DB_USERNAME 
"covac_admincova"
DB_PASSWORD 
"10pS5w9pT#@sr"
BROADCAST_DRIVER 
"log"
CACHE_DRIVER 
"file"
SESSION_DRIVER 
"file"
SESSION_LIFETIME 
"120"
QUEUE_DRIVER 
"sync"
REDIS_HOST 
"127.0.0.1"
REDIS_PASSWORD 
"null"
REDIS_PORT 
"6379"
MAIL_DRIVER 
"smtp"
MAIL_HOST 
"mail.mydomain.com"
MAIL_PORT 
"25"
MAIL_USERNAME 
"null"
MAIL_PASSWORD 
"null"
MAIL_ENCRYPTION 
"null"
PUSHER_APP_ID 
""
PUSHER_APP_KEY 
""
PUSHER_APP_SECRET 
""
PUSHER_APP_CLUSTER 
"mt1"
MIX_PUSHER_APP_KEY 
""
MIX_PUSHER_APP_CLUSTER 
"mt1"
NOCAPTCHA_SECRET 
"secret-key"
NOCAPTCHA_SITEKEY 
"site-key"
Key Value
PHP_INI_SCAN_DIR 
"/usr/local/chosting/data/users/covac/php/"
PATH 
"/usr/local/bin:/bin:/usr/bin"
APP_NAME 
"Laravel"
APP_ENV 
"local"
APP_KEY 
"base64:drj/6G8wVh+BMgwYIuqhhoQTKLuNW9FsBe7vT8Sm9tY="
APP_DEBUG 
"true"
APP_URL 
"http://127.0.0.1"
LOG_CHANNEL 
"stack"
DB_CONNECTION 
"mysql"
DB_HOST 
"localhost"
DB_PORT 
"3306"
DB_DATABASE 
"covac_cova"
DB_USERNAME 
"covac_admincova"
DB_PASSWORD 
"10pS5w9pT#@sr"
BROADCAST_DRIVER 
"log"
CACHE_DRIVER 
"file"
SESSION_DRIVER 
"file"
SESSION_LIFETIME 
"120"
QUEUE_DRIVER 
"sync"
REDIS_HOST 
"127.0.0.1"
REDIS_PASSWORD 
"null"
REDIS_PORT 
"6379"
MAIL_DRIVER 
"smtp"
MAIL_HOST 
"mail.mydomain.com"
MAIL_PORT 
"25"
MAIL_USERNAME 
"null"
MAIL_PASSWORD 
"null"
MAIL_ENCRYPTION 
"null"
PUSHER_APP_ID 
""
PUSHER_APP_KEY 
""
PUSHER_APP_SECRET 
""
PUSHER_APP_CLUSTER 
"mt1"
MIX_PUSHER_APP_KEY 
""
MIX_PUSHER_APP_CLUSTER 
"mt1"
NOCAPTCHA_SECRET 
"secret-key"
NOCAPTCHA_SITEKEY 
"site-key"
0. Whoops\Handler\PrettyPageHandler