PHP ob_get_status() Function

PHP get_resource_id() Function

Last Updated : 24 Apr, 2025

The get_resource_id() function is an inbuilt function in PHP that returns the integer id given resource. This function provides a safe way of generating integers for a resource.

Syntax:

get_resource_id($resource) ;

Parameters: This function accepts one parameter that are described below:

$resource: Name of the resource for which we want resource id.

Return Value: This function returns the int identifier of the given resource.

Example 1: In the below code example, we will print the id of the given resource.

PHP

<?php 
  
$res = tmpfile() ; 
  
// Print resource id of tmpfile 
echo get_resource_id($res); 
?>

Output:

Example 2: In the below code example, we are opening a text file and then returning his resource id. It may be resource id will be different according to your computer.

PHP

<?php 
$res = fopen("text.txt", "rb"); 
echo get_resource_id($res); 
?>

Output:

Reference: https://www.php.net/manual/en/function.get-resource-id.php

PHP ob_get_status() Function

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