DOMDocument::load

(PHP 5, PHP 7, PHP 8)

DOMDocument::load — Load XML from a file

说明

public DOMDocument::load(string $filename, int $options = 0): DOMDocument|bool

Loads an XML document from a file.

警告

Unix style paths with forward slashes can cause significant performance degradation on Windows systems; be sure to call realpath() in such a case.

参数

filename

The path to the XML document.

options

Bitwise OR of the libxml option constants.

返回值

成功时返回 true， 或者在失败时返回 false。 If called statically, returns a DOMDocument 或者在失败时返回 false.

错误／异常

If an empty string is passed as the filename or an empty file is named, a warning will be generated. This warning is not generated by libxml and cannot be handled using libxml's error handling functions.

在 PHP 8.0.0 之前可以静态调用此方法，但会发出 E_DEPRECATED 错误。自 PHP 8.0.0 起，静态调用此方法会抛出 Error 异常

范例

示例 #1 Creating a Document

<?php
$doc = new DOMDocument();
$doc->load('book.xml');
echo $doc->saveXML();
?>

参见