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
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>
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); ?>
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.