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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() 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

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