PHP: get_resource_type - Manual

(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)

get_resource_type — Returns the resource type

Description

Parameters

resource

The evaluated resource handle.

Return Values

If the given resource is a resource, this function will return a string representing its type. If the type is not identified by this function, the return value will be the string Unknown.

This function will return null and generate an error if resource is not a resource.

Examples

<?php
$fp = fopen("foo", "w");
echo get_resource_type($fp) . "\n";
?>