get_resources

(PHP 7)

get_resourcesReturns active resources

Description

get_resources ([ string $type ] ) : array

Returns an array of all currently active resources, optionally filtered by resource type.

Parameters

type

If defined, this will cause get_resources() to only return resources of the given type. A list of resource types is available.

If the string Unknown is provided as the type, then only resources that are of an unknown type will be returned.

If omitted, all resources will be returned.

Return Values

Returns an array of currently active resources, indexed by resource number.

Examples

Example #1 Unfiltered get_resources()

<?php
$fp = tmpfile();
var_dump(get_resources());
?>

The above example will output something similar to:

array(1) {
  [1]=>
  resource(1) of type (stream)
}

Example #2 Filtered get_resources()

<?php
$fp = tmpfile();
var_dump(get_resources('stream'));
var_dump(get_resources('curl'));
?>

The above example will output something similar to:

array(1) {
  [1]=>
  resource(1) of type (stream)
}
array(0) {
}

See Also

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.get-resources.php