Returns an integer identifier for the given resource
Syntax
get_resource_id ( resource $res ) : int
Parameters
resThe evaluated resource handle.
Return
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
1
<?
$filename = $_SERVER["DOCUMENT_ROOT"] . "/assets/txt/file.txt";
$mode = "r";
$handle = fopen($filename, $mode);
$return = get_resource_id($handle);
echo $return;
fclose($handle);
?>3
2
<?
$filename = $_SERVER["DOCUMENT_ROOT"] . "/assets/txt/file.txt";
$mode = "r";
$handle = fopen($filename, $mode);
echo (int)$handle;
fclose($handle);
?>3
