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ReflectionClass::getMethods

(PHP 5, PHP 7, PHP 8)

ReflectionClass::getMethodsObtiene un array de métodos

Descripción

public ReflectionClass::getMethods(?int $filter = null): array

Obtiene un array de los métodos de una clase.

Parámetros

filter

Filtra los resultados para incluir únicamente los métodos con ciertos atributos. Por omisión, no se aplica ningún filtro.

Cualquier disyunción a nivel de bits de ReflectionMethod::IS_STATIC, ReflectionMethod::IS_PUBLIC, ReflectionMethod::IS_PROTECTED, ReflectionMethod::IS_PRIVATE, ReflectionMethod::IS_ABSTRACT y ReflectionMethod::IS_FINAL, de modo que se devuelven todos los métodos con cualquiera de los atributos proporcionados.

Nota: Tenga en cuenta que otras operaciones a nivel de bits, por ejemplo ~ no funcionarán como se espera. En otras palabras, no es posible obtener todos los métodos no estáticos, por ejemplo.

Valores devueltos

Un array de objetos ReflectionMethod que reflejan cada método.

Historial de cambios

Versión Descripción
7.2.0 filter ahora es nullable.

Ejemplos

Ejemplo #1 Uso simple de ReflectionClass::getMethods()

<?php
class Apple {
public function
firstMethod() { }
final protected function
secondMethod() { }
private static function
thirdMethod() { }
}

$class = new ReflectionClass('Apple');
$methods = $class->getMethods();
var_dump($methods);
?>

El ejemplo anterior mostrará :

array(3) {
  [0]=>
  object(ReflectionMethod)#2 (2) {
    ["name"]=>
    string(11) "firstMethod"
    ["class"]=>
    string(5) "Apple"
  }
  [1]=>
  object(ReflectionMethod)#3 (2) {
    ["name"]=>
    string(12) "secondMethod"
    ["class"]=>
    string(5) "Apple"
  }
  [2]=>
  object(ReflectionMethod)#4 (2) {
    ["name"]=>
    string(11) "thirdMethod"
    ["class"]=>
    string(5) "Apple"
  }
}

Ejemplo #2 Filtro de resultados desde ReflectionClass::getMethods()

<?php
class Apple {
public function
firstMethod() { }
final protected function
secondMethod() { }
private static function
thirdMethod() { }
}

$class = new ReflectionClass('Apple');
$methods = $class->getMethods(ReflectionMethod::IS_STATIC | ReflectionMethod::IS_FINAL);
var_dump($methods);
?>

El ejemplo anterior mostrará :

array(2) {
  [0]=>
  object(ReflectionMethod)#2 (2) {
    ["name"]=>
    string(12) "secondMethod"
    ["class"]=>
    string(5) "Apple"
  }
  [1]=>
  object(ReflectionMethod)#3 (2) {
    ["name"]=>
    string(11) "thirdMethod"
    ["class"]=>
    string(5) "Apple"
  }
}

Ver también

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User Contributed Notes 3 notes

up
5
x_atrix at yahoo dot com
12 years ago
Note, for ReflectionClass::getMethods() not all methods in a final class are final, just the ones that have explicit modifier.If you want to use an and operator for the filter, here is a simple implementation<?phpfinal class Apple {    public function publicMethod() { }    public final function publicFinalMethod() { }    protected final function protectedFinalMethod() { }    private static function privateStaticMethod() { }}class MyReflection extends ReflectionClass {    public function __construct($argument) {        parent::__construct($argument);    }        /**     * (non-PHPdoc)     * @see ReflectionClass::getMethods()     */    public function getMethods($filter = null, $useAndOperator = true) {        if ($useAndOperator !== true) {            return parent::getMethods($filter);        }                $methods = parent::getMethods($filter);        $results = array();                foreach ($methods as $method) {            if (($method->getModifiers() & $filter) === $filter) {                $results[] = $method;            }        }                return $results;    }}$class = new MyReflection('Apple');$methods = $class->getMethods(ReflectionMethod::IS_FINAL | ReflectionMethod::IS_PUBLIC);var_dump($methods);$methods = $class->getMethods(ReflectionMethod::IS_FINAL | ReflectionMethod::IS_PUBLIC, false);var_dump($methods);?>Result:array(1) {  [0]=>  object(ReflectionMethod)#4 (2) {    ["name"]=>    string(17) "publicFinalMethod"    ["class"]=>    string(5) "Apple"  }}array(3) {  [0]=>  &object(ReflectionMethod)#5 (2) {    ["name"]=>    string(12) "publicMethod"    ["class"]=>    string(5) "Apple"  }  [1]=>  &object(ReflectionMethod)#3 (2) {    ["name"]=>    string(17) "publicFinalMethod"    ["class"]=>    string(5) "Apple"  }  [2]=>  &object(ReflectionMethod)#6 (2) {    ["name"]=>    string(20) "protectedFinalMethod"    ["class"]=>    string(5) "Apple"  }}
up
5
tom at r dot je
11 years ago
ReflectionClass::getMethods() sorts the methods by class (lowest in the inheritance tree first) then by the order they are defined in the class definition:<?phpclass A {    public function method1() {            }        public function method2() {            }}class B extends A {    public function method3() {    }    public function method4() {    }}$class = new ReflectionClass('B');print_r($class->getMethods());?>This will output:Array(    [0] => ReflectionMethod Object        (            [name] => method3            [class] => B        )    [1] => ReflectionMethod Object        (            [name] => method4            [class] => B        )    [2] => ReflectionMethod Object        (            [name] => method1            [class] => A        )    [3] => ReflectionMethod Object        (            [name] => method2            [class] => A        ))
up
1
deminy at deminy dot net
14 years ago
Method ReflectionClass::getMethods doesn't work constantly across different versions of PHP. For following code piece<?phpclass Dummy implements Iterator{    public function current () {}    public function next () {}    public function key () {}    public function valid () {}    public function rewind () {}}$reflection = new ReflectionClass('Dummy');$aMethods = $reflection->getMethods();echo '# of methods: ', count($aMethods), "\n";?>, it outputs "# of methods: 10" on PHP 5.2.14 and PHP 5.2.17, including all methods defined in the class itself and in the interface no matter if a method has been implemented or overridden; however, it returns "# of methods: 5" on PHP 5.3.5. Based on some other tests did by my colleagues, I assume it also returns "# of methods: 5" on PHP 5.2.10 and PHP 5.3.6.
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