Registers the namespace with the DOMXPath object

# DOMXPath::registerNamespace

(PHP 5, PHP 7, PHP 8)

DOMXPath::registerNamespace — Registers the namespace with the DOMXPath object

### Description

public DOMXPath::registerNamespace(string `$prefix`, string `$namespace`): bool

Registers the `namespace` and `prefix` with the DOMXPath object.

### Parameters

`prefix`

  The prefix.

`namespace`

  The URI of the namespace.

### Return Values

Returns `true` on success or `false` on failure.

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