PHP | ReflectionClass getTraitAliases() Function

The ReflectionClass::getTraitAliases() function is an inbuilt function in PHP which is used to return an array of trait aliases used by the user-defined class.
Syntax:

array ReflectionClass::getTraitAliases( void )

Parameters: This function does not accept any parameters.
Return Value: This function returns an array of trait aliases used by the user-defined class.
Below programs illustrate the ReflectionClass::getTraitAliases() function in PHP:
Program 1:

php

<?php

// Defining a trait class
trait Company {
    public function GeeksforGeeks() {
    }
}

// Defining a user-defined class Department
class Department{
  use Company {
        Company::GeeksforGeeks as Portal;
    }
}

// Using ReflectionClass over the
// user-defined class Department
$obj=new ReflectionClass('Department');

// Calling the getTraitAliases() function
$A = $obj->getTraitAliases();

// Getting an array of the trait aliases
var_dump($A);
?>

Output:

array(1) {
  ["Portal"]=>
  string(22) "Company::GeeksforGeeks"
}

Program 2:

php

<?php

// Defining a user-defined class Department
class Department{
}

// Using ReflectionClass over the
// user-defined class Department
$obj=new ReflectionClass('Department');

// Calling the getTraitAliases() function and
// getting an array of the trait aliases
var_dump($obj->getTraitAliases());
?>

Output:

array(0) {
}

Reference: https://secure.php.net/manual/en/reflectionclass.gettraitaliases.php