PHP Manual
DOMNode
Gets the namespace prefix of the node based on the namespace URI

DOMNode::lookupPrefix

(PHP 5, PHP 7, PHP 8)

DOMNode::lookupPrefix — Gets the namespace prefix of the node based on the namespace URI

说明

public DOMNode::lookupPrefix(string $namespace): ?string

Gets the namespace prefix of the node based on the namespace URI.

参数

namespace: The namespace URI.

返回值

The prefix of the namespace.

参见

DOMNode::lookupNamespaceUri() - Gets the namespace URI of the node based on the prefix