get_resource_type

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

get_resource_type Returns the resource type

Опис

get_resource_type(resource $resource): string

This function gets the type of the given resource.

Параметри

resource

The evaluated resource handle.

Значення, що повертаються

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.

Приклади

Приклад #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";
?>

В PHP 7 поданий вище приклад виведе:

stream
curl

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