PHP | ReflectionProperty isPrivate() Function

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The ReflectionProperty::isPrivate() function is an inbuilt function in PHP which is used to return TRUE if the specified property is private, FALSE otherwise.

Syntax:

bool ReflectionProperty::isPrivate ( void )

Parameters: This function does not accept any parameter.

Return Value: This function returns TRUE if the specified property is private, FALSE otherwise.

Below programs illustrate the ReflectionProperty::isPrivate() function in PHP:
Program 1:

<?php 
  
// Initializing a user-defined class Company 
class Company 
{ 
    private $SizeOfzambiatek = 13; 
    public $SizeOfGFG = 3; 
} 
  
// Using ReflectionProperty  
$A = new ReflectionProperty('Company', 'SizeOfzambiatek'); 
$B = new ReflectionProperty('Company', 'SizeOfGFG'); 
  
// Calling the isPrivate() function 
$C = $A->isPrivate(); 
$D = $B->isPrivate(); 
  
// Getting TRUE if the specified property 
// is private, FALSE otherwise. 
var_dump($C); 
var_dump($D); 
?> 

Output:

bool(true)
bool(false)

Program 2:

<?php 
  
// Initializing some user-defined classes 
class Department1 
{ 
    protected $SizeOfHR; 
} 
class Department2 
{ 
    public $SizeOfCoding = 6; 
} 
class Department3 
{ 
    private $SizeOfMarketing = 9; 
} 
  
// Using ReflectionProperty over above classes 
$A = new ReflectionProperty('Department1', 'SizeOfHR'); 
$B = new ReflectionProperty('Department2', 'SizeOfCoding'); 
$C = new ReflectionProperty('Department3', 'SizeOfMarketing'); 
  
// Calling the isPrivate() function and 
// getting TRUE if the specified property 
// is private, FALSE otherwise. 
var_dump($A->isPrivate()); 
var_dump($B->isPrivate()); 
var_dump($C->isPrivate()); 
?> 