PHP is_resource() Function

PHP Variable Handling Reference : Check whether a variable is a resource or not

Definition and Usage

The is_resource() function checks whether a variable is a resource or not.

Note: The is_resource() function will return FALSE if the resource has been closed.

This function returns true (1) if the variable is a resource, otherwise it returns false/nothing.

is_resource(variable);

Parameter	Description
variable	Required. Specifies the variable to check

Return Value:	TRUE if variable is a resource, FALSE otherwise
Return Type:	Boolean
PHP Version:	4.0+

❮ PHP Variable Handling Reference

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