The ReflectionClass::isFinal() function is an inbuilt function in PHP which is used to check the specified class is final or not.
Syntax:
bool ReflectionClass::isFinal( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns true for the success or false on failure.
Below programs illustrate the ReflectionClass::isFinal() function in PHP:
Program 1:
<?php   // Defining a non final class class GFG {}   // Defining a final class final class neveropen {}   // Using ReflectionClass over the // Non final class GFG $B = new ReflectionClass('GFG');   // Calling the isFinal() function $C = $B->isFinal();   // Getting the value true or false var_dump($C);   ?> |
Output:
bool(false)
Program 2:
<?php   // Defining a non final class class GFG {}   // Defining a final class final class neveropen {}   // Using ReflectionClass over the // final class neveropen $B = new ReflectionClass('neveropen');   // Calling the isFinal() function $C = $B->isFinal();   // Getting the value true or false var_dump($C);   ?> |
Output:
bool(true)
Reference: https://secure.php.net/manual/en/reflectionclass.isfinal.php
