laravel是否必须启用proc_open()和passthru()?

I am installing laravel on a shared hosting at KVC webhost. It shows a blank page. I checked the log and it says that the proc_open() and passthru() aren't enabled on my server which is causing the errors. I have contacted my webhosting for solutions but they can only enable on VPS. Any other solutions?

There doesn't seem to be anything in a default Laravel application that requires proc_open() or passthru() to serve a site. These may be needed for commandline processes though.

Do a complete build the application locally (eg composer install), then deploy the files to the server.