The ReflectionClass::isUserDefined() function is an inbuilt function in PHP which is used to check if any user-defined class is available or not.
Syntax:
bool ReflectionClass::isUserDefined()
Parameters: This function does not accept any parameter.
Return Value: This function returns TRUE if the user-defined class is available, otherwise FALSE.
Below programs illustrate the ReflectionClass::isUserDefined() function in PHP:
Program 1:
php
<?php // Defining user-defined class CompanyClass Company { public function neveropen() { }} // Using ReflectionClass over the// defined class $obj=new ReflectionClass('Company'); // Calling the isUserDefined() function$A = $obj->isUserDefined(); // Getting the value true or falsevar_dump($A); ?> |
Output:
bool(true)
Program 2:
php
<?php // Using a internal class 'ReflectionClass'$obj=new ReflectionClass('ReflectionClass'); // Calling the isUserDefined() function$A = $obj->isUserDefined(); // Getting the value true or falsevar_dump($A); ?> |
Output:
bool(false)
Reference: https://www.php.net/manual/en/reflectionclass.isuserdefined.php
