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<get_resource_idgettype>
^Variable handling FunctionsLast updated: Mon, 26 Oct 2026

get_resource_type

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

get_resource_type — Returns the resource type

Description

function get_resource_type(resource $resource): string

This function gets the type of the given resource.

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

Example #1 get_resource_type() example

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

Output of the above example in PHP 7:

stream

See Also


<get_resource_idgettype>
^Variable handling FunctionsLast updated: Mon, 26 Oct 2026