XMLReader::readString

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

XMLReader::readString — Reads the contents of the current node as a string

说明

public XMLReader::readString(): string

Reads the contents of the current node as a string.

参数

此函数没有参数。

返回值

Returns the content of the current node as a string. Empty string on failure.

注释

警告

此函数仅在 PHP 与 libxml 20620 或以上版本编译时可用。

参见

XMLReader::readOuterXml() - Retrieve XML from current node, including itself
XMLReader::readInnerXml() - Retrieve XML from current node
XMLReader::expand() - Returns a copy of the current node as a DOM object

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User Contributed Notes 3 notes

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Michael Rusch ¶

13 years ago


For those who, like me, are having trouble figuring out the difference between getString() an getInnerXML(), the difference is that getString() does NOT include markup.  So, for:

<foo>bar<baz>Hello, world!</baz></foo>

getString() on the <foo> node would return

bar Hello, world!

whereas getInnerXML() would return

bar<baz>Hello, world!</baz>

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Lea Hayes ¶

11 years ago


I would like to reiterate that this does not work when compiled with versions of libxml lower than 20620. I found that it just presents a blank page.


<?php $string = $reader->readString(); ?>



I worked around this issue by adding the following helper function:


<?php

function read_string($reader) {

    $node = $reader->expand();

    return $node->textContent;

}

?>



And then using:


<?php $string = read_string($reader); ?>

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-3

alexander_behling at web dot de ¶

4 years ago


Important:
When using it use -> instead of ::.
You have to use :: only on static functions and then you have not to create a class object.

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官方地址：https://www.php.net/manual/en/xmlreader.readstring.php

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XMLReader::readString

说明

参数

返回值

注释

参见

User Contributed Notes 3 notes