¿Se pueden usar con matrices de más de una dimensión?
get_resources
(PHP 7, PHP 8)
get_resources — Returns active resources
Descrizione
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).
Elenco dei parametri
-
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.
Valori restituiti
Returns an array of currently active resources, indexed by resource number.
Log delle modifiche
| Versione | Descrizione |
|---|---|
| 8.0.0 |
type is nullable now.
|
Esempi
Example #1 Unfiltered get_resources()
<?php
$fp = tmpfile();
var_dump(get_resources());
?>Il precedente esempio visualizzerà qualcosa simile a:
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'));
?>Il precedente esempio visualizzerà qualcosa simile a:
array(1) {
[1]=>
resource(1) of type (stream)
}
array(0) {
}
Vedere anche:
- get_loaded_extensions() - Restituisce una matrice con il nome di tutti i moduli compilati e caricati
- get_defined_constants() - Restituisve un array associativo con i nomi di tutte le costanti ed i loro valori
- get_defined_functions() - Returns an array of all defined functions
- get_defined_vars() - Restituisce un'array contenente tutte le variabili definite
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