ReflectionMethod::getClosure()函数是PHP中的一个内置函数,用于为该方法返回动态创建的闭包,否则,在出现错误的情况下返回NULL。
用法:
Closure ReflectionMethod::getClosure ( $object )
参数:该函数接受参数对象,该参数对象是指定的user-defiend类对象。
返回值:该函数为该方法返回一个动态创建的闭包,否则,在发生错误的情况下返回NULL。
以下示例程序旨在说明PHP中的ReflectionMethod::getClosure()函数:
程序_1:
<?php
// Initializing a user-defined class
class Company {
protected function GeeksforGeeks($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);
?>
输出:
object(Closure)#3 (2) { ["this"]=> object(Company)#2 (0) { } ["parameter"]=> array(1) { ["$name"]=> string(10) "<required>" } }
程序_2:
<?php
// Initializing some user-defined classes
class Department1 {
protected function HR($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()));
?>
输出:
object(Closure)#5 (2) { ["this"]=> object(Department1)#4 (0) { } ["parameter"]=> array(1) { ["$name"]=> string(10) "<required>" } } object(Closure)#4 (2) { ["this"]=> object(Department2)#5 (0) { } ["parameter"]=> array(1) { ["$name"]=> string(10) "<required>" } } object(Closure)#5 (2) { ["this"]=> object(Department3)#4 (0) { } ["parameter"]=> array(1) { ["$name"]=> string(10) "<required>" } }
参考: https://www.php.net/manual/en/reflectionmethod.getclosure.php
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注:本文由纯净天空筛选整理自Kanchan_Ray大神的英文原创作品 PHP | ReflectionMethod getClosure() Function。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。