(PHP 8)
get_resource_id — Returns an integer identifier for the given resource
$resource): intThis function provides a type-safe way for generating the integer identifier for a resource.
resourceThe evaluated resource handle.
The int identifier for the given resource.
This function is essentially an int cast of
resource to make it easier to retrieve the resource ID.
Example #1 get_resource_id() produces the same result as an int cast
<?php$handle = fopen("php://stdout", "w");echo (int) $handle . "\n";echo get_resource_id($handle);?>The above example will output something similar to:
698 698