class_uses

(PHP 5 >= 5.4.0)

class_uses — Return the traits used by the given class

Descrierea

array class_uses ( mixed $class [, bool $autoload = true ] )

This function returns an array with the names of the traits that the given class uses. This does however not include any traits used by a parent class.

Parametri

class: An object (class instance) or a string (class name).
autoload: Whether to allow this function to load the class automatically through the __autoload() magic method.

Valorile întoarse

An array on success, or FALSE on error.

Exemple

Example #1 class_uses() example


<?php

trait foo { }
class bar {
  use foo;
}

print_r(class_uses(new bar));

print_r(class_uses('bar'));

function __autoload($class_name) {
   require_once $class_name . '.php';
}

// use __autoload to load the 'not_loaded' class
print_r(class_uses('not_loaded', true));

?>

Exemplul de mai sus va afișa ceva similar cu:

Array
(
    [foo] => foo
)

Array
(
    [foo] => foo
)

Array
(
    [trait_of_not_loaded] => trait_of_not_loaded
)

Vedeți de asemenea

class_parents() - Return the parent classes of the given class
get_declared_traits() - Returns an array of all declared traits

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