class_uses
Description
The class_uses of SPL for PHP returns the traits used by the given class.
Syntax
class_uses(
object|string $object_or_class,
bool $autoload = true
): array|falseParameters
object_or_class
An object (class instance) or a string (class name).
autoload
Whether to autoload if not already loaded.
Return
Returns an array on success, or false when the given class doesn't exist.
Examples
1 · object_or_class · object
<?
trait mytrait
{
}
class myclass
{
use mytrait;
}
$object_or_class = new myclass;
$return = class_uses($object_or_class);
print_r($return);
?>Array
(
[mytrait] => mytrait
)
2 · object_or_class · class
<?
trait mytrait
{
}
class myclass
{
use mytrait;
}
$object_or_class = "myclass";
$return = class_uses($object_or_class);
print_r($return);
?>Array
(
[mytrait] => mytrait
)
3 · autoload · false
<?
spl_autoload_register();
trait mytrait
{
}
class myclass
{
use mytrait;
}
$object_or_class = "myclass";
$autoload = false;
$return = class_uses($object_or_class, $autoload);
print_r($return);
?>Array
(
[mytrait] => mytrait
)
4 · autoload · true
<?
spl_autoload_register();
trait mytrait
{
}
class myclass
{
use mytrait;
}
$object_or_class = "myclass";
$autoload = true;
$return = class_uses($object_or_class, $autoload);
print_r($return);
?>Array
(
[mytrait] => mytrait
)
5 · multiple
<?
trait mytrait1
{
}
trait mytrait2
{
}
trait mytrait3
{
}
class myclass
{
use mytrait1;
use mytrait2;
use mytrait3;
}
$object_or_class = "myclass";
$return = class_uses($object_or_class);
print_r($return);
?>Array
(
[mytrait1] => mytrait1
[mytrait2] => mytrait2
[mytrait3] => mytrait3
)
