is_resource

PHP 4, PHP 5, PHP 7, PHP 8
is_resource - Finds whether a variable is a resource
Manual
Code Examples

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.

Related Functions

Example of is_resource

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