Variable handling Functions
PHP Manual

get_resource_type

Returns the resource type

Description

string get_resource_type(resource $resource)

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_id