get_resource_id
(PHP 8)
get_resource_id — Returns an integer identifier for the given resource
Descripción
This function provides a type-safe way for generating the integer identifier for a resource.
Parámetros
-
resource -
The evaluated resource handle.
Valores devueltos
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.
Ejemplos
Ejemplo #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);
?>El resultado del ejemplo sería algo similar a:
698 698
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