get_resource_id
(PHP 8)
get_resource_id — Returns an integer identifier for the given resource
Description
get_resource_id ( resource $res ) : int
This function provides a type-safe way for generating the integer identifier for a resource.
Parameters
-
res
-
The evaluated resource handle.
Return Values
The int identifier for the given res
.
This function is essentially an int cast of res
to make it easier to retrieve the resource ID.
Examples
Example #1 get_resource_id() example
<?php $handle = fopen('./storage/logs/lumen.log', 'rt'); echo (int) $handle . "\n\n"; echo get_resource_id($handle); ?>
The above example will output:
698 698
See Also
- get_resource_type() - Returns the resource type
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.get-resource-id.php