XMLReader::lookupNamespace

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

XMLReader::lookupNamespace — Lookup namespace for a prefix

Description

public XMLReader::lookupNamespace(string $prefix): ?string

Lookup in scope namespace for a given prefix.

Parameters

prefix

String containing the prefix.

Return Values

The value of the namespace, or null if no namespace exists.

Changelog

VersionDescription
8.0.0This function can no longer return false.