Gets namespace name

# ReflectionConstant::getNamespaceName

(PHP 8 >= 8.4.0)

ReflectionConstant::getNamespaceName — Gets namespace name

### Description

public ReflectionConstant::getNamespaceName(): string

Gets the namespace name of the constant.

### Parameters

This function has no parameters.

### Return Values

The namespace name, or an empty string for the global namespace.

### Examples

Example #1 ReflectionConstant::getNamespaceName() example

`<?php
namespace Foo {
const BAR = 'bar';
var_dump((new \ReflectionConstant('Foo\BAR'))->getNamespaceName());
}
namespace {
const BAR = 'bar';
var_dump((new \ReflectionConstant('BAR'))->getNamespaceName());
}
?>`

The above example will output:

    string(3) "Foo"
    string(0) ""

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