International PHP Conference Munich 2021

get_resource_id

(PHP 8)

get_resource_id Returns an integer identifier for the given resource

Description

get_resource_id(resource $resource): int

This function provides a type-safe way for generating the integer identifier for a resource.

Parameters

resource

The evaluated resource handle.

Return Values

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.

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

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