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ReflectionClass::getMethods

(PHP 5, PHP 7, PHP 8)

ReflectionClass::getMethodsGets an array of methods

Descrizione

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

Gets an array of methods for the class.

Elenco dei parametri

filter

Filter the results to include only methods with certain attributes. Defaults to no filtering.

Any bitwise disjunction of ReflectionMethod::IS_STATIC, ReflectionMethod::IS_PUBLIC, ReflectionMethod::IS_PROTECTED, ReflectionMethod::IS_PRIVATE, ReflectionMethod::IS_ABSTRACT, ReflectionMethod::IS_FINAL, so that all methods with any of the given attributes will be returned.

Nota: Note that other bitwise operations, for instance ~ will not work as expected. In other words, it is not possible to retrieve all non-static methods, for example.

Valori restituiti

An array of ReflectionMethod objects reflecting each method.

Log delle modifiche

Versione Descrizione
7.2.0 filter is nullable now.

Esempi

Example #1 Basic usage of 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);
?>

Il precedente esempio visualizzerà:

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"
  }
}

Example #2 Filtering results from 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);
?>

Il precedente esempio visualizzerà:

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"
  }
}

Vedere anche:

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User Contributed Notes 3 notes

up
7
x_atrix at yahoo dot com
10 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
<?php
final 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
7
tom at r dot je
9 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:

<?php
class 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
12 years ago
Method ReflectionClass::getMethods doesn't work constantly across different versions of PHP. For following code piece

<?php
class 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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