If the object does not belong to a namespace, an empty string is returned
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
ReflectionClass::getNamespaceName — Gets namespace name
This function has no parameters.
The namespace name.
Example #1 ReflectionClass::getNamespaceName() example
<?php
namespace A\B;
class Foo { }
$class = new \ReflectionClass('stdClass');
var_dump($class->inNamespace());
var_dump($class->getName());
var_dump($class->getNamespaceName());
var_dump($class->getShortName());
$class = new \ReflectionClass('A\\B\\Foo');
var_dump($class->inNamespace());
var_dump($class->getName());
var_dump($class->getNamespaceName());
var_dump($class->getShortName());
?>The above example will output:
bool(false) string(8) "stdClass" string(0) "" string(8) "stdClass" bool(true) string(7) "A\B\Foo" string(3) "A\B" string(3) "Foo"