PHP Fatal error: Interface 'JsonSerializable' not found

[davidmarin77]

• Laravel Version: 7.
• PHP Version: 7.2
• Database Driver & Version:

Description:
when i install the laravel project in hostgator i got this issue

/vendor/laravel/framework/src/Illuminate/Support/Enumerable.php on line 11

Steps To Reproduce:

interface Enumerable extends Arrayable, Countable, IteratorAggregate, Jsonable, JsonSerializable

[GrahamCampbell]

This happens if ext-json is not enabled. Please ask your hosting provider to enable it. Laravel requires that extension.

[GrahamCampbell]

Indeed, composer will have forced you to have it: https://github.com/laravel/framework/blob/7.x/composer.json#L19.