The ReflectionClass::isAbstract() function is an inbuilt function in PHP which is used to check the specified class is abstract or not.
Syntax:
bool ReflectionClass::isAbstract( 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::isAbstract() function in PHP:
Program 1:
<?php   // Defining a abstract class abstractGFG abstract class abstractGFG {}    // Using ReflectionClass over the above // abstractGFG class $Class = new ReflectionClass('abstractGFG');    // Calling isAbstract() function $A = $Class->isAbstract();    // Getting the value either true or false var_dump($A); ?> |
Output:
bool(true)
Program 2:
<?php    // Defining a user-defined class Company class Company {     Public Function neveropen() {}     Private Function GFG() {} }    // Using ReflectionClass over the above // Company class $Class = new ReflectionClass('Company');    // Calling isAbstract() function $A = $Class->isAbstract();    // Getting the value either true or false var_dump($A); ?> |
Output:
bool(false)
Reference: https://www.php.net/manual/en/reflectionclass.isabstract.php
