get_resource_type
(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)
get_resource_type — Returns the resource type
Description
get_resource_type(resource $resource): stringThis 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";
// As of PHP 8.0.0, the following does not work anymore. The curl_init function returns a CurlHandle object now.
$c = curl_init();
echo get_resource_type($c) . "\n";
?>Output of the above example in PHP 7:
stream
curl
See Also
- get_resource_id() - Returns an integer identifier for the given resource
© 1997–2023 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.get-resource-type.php