ReflectionMethod::getClosure()函數是PHP中的一個內置函數，用于為該方法返回動態創建的閉包，否則，在出現錯誤的情況下返回NULL。

用法:

Closure ReflectionMethod::getClosure ( $object )

參數：該函數接受參數對象，該參數對象是指定的user-defiend類對象。

返回值：該函數為該方法返回一個動態創建的閉包，否則，在發生錯誤的情況下返回NULL。

以下示例程序旨在說明PHP中的ReflectionMethod::getClosure()函數：

程序_1：

// Initializing a user-defined class

class Company {

protected function GeeksforGeeks($name) {

return 'GFG' . $name;

}

}

// Using ReflectionMethod() over the class Company

$A = new ReflectionMethod('Company', 'GeeksforGeeks');

// Calling the getClosure() function

$B = $A->getClosure(new Company());

// Getting a dynamically created closure

// for the method otherwise, return NULL

// in case of an error.

var_dump($B);

?>

輸出：

object(Closure)#3 (2) {

["this"]=>

object(Company)#2 (0) {

}

["parameter"]=>

array(1) {

["$name"]=>

string(10) ""

}

}

程序_2：

// Initializing some user-defined classes

class Department1 {

protected function HR($name) {

return 'hr' . $name;

}

}

class Department2 {

protected function Coding($name) {

return 'coding' . $name;

}

}

class Department3 {

protected function Marketing($name) {

return 'marketing' . $name;

}

}

// Using ReflectionMethod() over the above classes

$A = new ReflectionMethod('Department1', 'HR');

$B = new ReflectionMethod('Department2', 'Coding');

$C = new ReflectionMethod('Department3', 'Marketing');

// Calling the getClosure() function and

// Getting a dynamically created closure

// for the method otherwise, return NULL

// in case of an error.

var_dump($A->getClosure(new Department1()));

var_dump($B->getClosure(new Department2()));

var_dump($C->getClosure(new Department3()));

?>

輸出：

object(Closure)#5 (2) {

["this"]=>

object(Department1)#4 (0) {

}

["parameter"]=>

array(1) {

["$name"]=>

string(10) ""

}

}

object(Closure)#4 (2) {

["this"]=>

object(Department2)#5 (0) {

}

["parameter"]=>

array(1) {

["$name"]=>

string(10) ""

}

}

object(Closure)#5 (2) {

["this"]=>

object(Department3)#4 (0) {

}

["parameter"]=>

array(1) {

["$name"]=>

string(10) ""

}

}

總結

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