¿Se pueden usar con matrices de más de una dimensión?
get_resources
(PHP 7, PHP 8)
get_resources — Returns active resources
Descrição
Returns an array of all currently active resources, optionally filtered by resource type.
Nota: This function is meant for debugging and testing purposes. It is not supposed to be used in production environments, especially not to access or even manipulate resources which are normally not accessible (e.g. the underlying stream resource of SplFileObject instances).
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
Unknownis 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.
Registro de Alterações
| 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 produzirá algo semelhante a:
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 produzirá algo semelhante a:
array(1) {
[1]=>
resource(1) of type (stream)
}
array(0) {
}
Veja Também
- get_loaded_extensions() - Returns an array with the names of all modules compiled and loaded
- get_defined_constants() - Returns an associative array with the names of all the constants and their values
- get_defined_functions() - Retorna um array com todas as funções definidas
- get_defined_vars() - Retorna um array com todas variáveis definidas
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