is_resource
PHP 4, PHP 5, PHP 7, PHP 8
is_resource - Finds whether a variable is a resource
Manual
is_resource(
mixed$value ): bool
Finds whether the given variable is a resource.
Parameters
- value
-
The variable being evaluated.
Return Values
Returns true if value is a resource, false otherwise.
Notes
Note:
is_resource is not a strict type-checking method: it will return false if value is a resource variable that has been closed.