PHP 8.1.0 Beta 1 available for testing

get_resources

(PHP 7, PHP 8)

get_resourcesReturns active resources

Descrição

get_resources(string|null $type = null): array

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

Parâmetros

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.

Valor Retornado

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

Changelog

Versão Descrição
8.0.0 type is nullable now.

Exemplos

Exemplo #1 Unfiltered get_resources()

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

O exemplo acima irá imprimir algo similar à:

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

Exemplo #2 Filtered get_resources()

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

O exemplo acima irá imprimir algo similar à:

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

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