PHP | Reflection getNamespaceName() Function

The Reflection::getNamespaceName() function is an inbuilt function in PHP which is used to return the name of the specified namespace.

Syntax:

string Reflection::getNamespaceName( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns the name of the specified namespace.

Below programs illustrate the Reflection::getNamespaceName() function in PHP:
Program 1:

<?php

// Defining a namespace and class GFG
namespace A\B;
class GFG{ }

// Using ReflectionClass over the namespace and
// specified class GFG
$ReflectionClass = new \ReflectionClass('A\\B\\GFG');

// Calling getNamespaceName() function
$A = $ReflectionClass->getNamespaceName();

// Getting the name of the specified namespace
var_dump($A);
?>

Output:

string(3) "A\B"

Program 2:

<?php

// Using ReflectionClass over the inbuilt class 'ReflectionClass'
$ReflectionClass = new ReflectionClass('ReflectionClass');

// Calling getNamespaceName() function
$A = $ReflectionClass->getNamespaceName();

// Getting the name of the namespace
var_dump($A);
?>

Output:

string(0) ""

Reference: https://www.php.net/manual/en/reflectionclass.getnamespacename.php

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