PHP | ReflectionProperty isProtected() Function

Last Updated : 30 Dec, 2019
The ReflectionProperty::isProtected() function is an inbuilt function in PHP which is used to return TRUE if the specified property is protected, FALSE otherwise. Syntax: 
bool ReflectionProperty::isProtected( void )
Parameters: This function does not accept any parameter. Return Value: This function returns TRUE if the specified property is protected, FALSE otherwise. Below programs illustrate the ReflectionProperty::isProtected() function in PHP: Program 1: php 
<?php

// Initializing a user-defined class Company
class Company
{
    protected $SizeOfGeeksforGeeks = 13;
    public $SizeOfGFG = 3;
}

// Using ReflectionProperty 
$A = new ReflectionProperty('Company', 'SizeOfGeeksforGeeks');
$B = new ReflectionProperty('Company', 'SizeOfGFG');

// Calling the isProtected() function
$C = $A->isProtected();
$D = $B->isProtected();

// Getting TRUE if the specified property
// is protected, FALSE otherwise.
var_dump($C);
var_dump($D);
?>
Output: 
bool(true)
bool(false)
Program 2: php 
<?php

// Initializing some user-defined classes
class Department1
{
    protected $SizeOfHR;
}
class Department2
{
    public $SizeOfCoding = 6;
}
class Department3
{
    protected $SizeOfMarketing = 9;
}

// Using ReflectionProperty over above classes
$A = new ReflectionProperty('Department1', 'SizeOfHR');
$B = new ReflectionProperty('Department2', 'SizeOfCoding');
$C = new ReflectionProperty('Department3', 'SizeOfMarketing');

// Calling the isProtected() function and
// getting TRUE if the specified property
// is protected, FALSE otherwise.
var_dump($A->isProtected());
var_dump($B->isProtected());
var_dump($C->isProtected());
?>
Output: 
bool(true)
bool(false)
bool(true)
Reference: https://www.php.net/manual/en/reflectionproperty.isprotected.php
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