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PHP ReflectionParameter getDeclaringClass()用法及代碼示例


ReflectionParameter::getDeclaringClass()函數是PHP中的一個內置函數,用於返回聲明類。

用法:

ReflectionClass ReflectionParameter::getDeclaringClass ( void )

參數:該函數不接受任何參數。


返回值:此函數返回聲明類。

以下示例程序旨在說明PHP中的ReflectionParameter::getDeclaringClass()函數:
程序1:

<?php 
  
// Initializing a user-defined class Company1 
class Company1 
{ 
    public function GFG($Parameter){} 
} 
  
// Initializing a subclass Company2 
class Company2 extends Company1 
{ 
} 
  
// Using the ReflectionParameter over the above class 
$A = new ReflectionParameter(['Company2', 'GFG'], 0);  
  
// Calling the getDeclaringClass() function 
$B = $A->getDeclaringClass(); 
  
// Getting the specified declaring class 
var_dump($B); 
?>

輸出:

object(ReflectionClass)#2 (1) {
  ["name"]=>
  string(8) "Company1"
}

程序2:

<?php 
  
// Initializing some user-defined classes 
class Department1 
{ 
    public function HR($Parameter1){} 
} 
class Department2 
{ 
    public function Coding($Parameter2, $Parameter3){} 
} 
class Department3 
{ 
    public function Marketing($Parameter4, $Parameter5, $Parameter6){} 
} 
  
// Using the ReflectionParameter over the above classes 
$A = new ReflectionParameter(['Department1', 'HR'], 0); 
$B = new ReflectionParameter(['Department2', 'Coding'], 1); 
$C = new ReflectionParameter(['Department3', 'Marketing'], 2); 
  
// Calling the getDeclaringClass() function and 
// getting the specified declaring classes 
var_dump($A->getDeclaringClass()); 
var_dump($B->getDeclaringClass()); 
var_dump($C->getDeclaringClass()); 
?>

輸出:

object(ReflectionClass)#4 (1) {
  ["name"]=>
  string(11) "Department1"
}
object(ReflectionClass)#4 (1) {
  ["name"]=>
  string(11) "Department2"
}
object(ReflectionClass)#4 (1) {
  ["name"]=>
  string(11) "Department3"
}

參考: https://www.php.net/manual/en/reflectionparameter.getdeclaringclass.php



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注:本文由純淨天空篩選整理自Kanchan_Ray大神的英文原創作品 PHP | ReflectionParameter getDeclaringClass() Function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。