DOMNode::getLineNo

(PHP 5 >= 5.3.0, PHP 7)

DOMNode::getLineNo — Get line number for a node

说明

public DOMNode::getLineNo ( ) : int

Gets line number for where the node is defined.

参数

此函数没有参数。

返回值

Always returns the line number where the node was defined in.

范例

Example #1 DOMNode::getLineNo() example


<?php
// XML dump for below example
$xml = <<<XML
<?xml version="1.0" encoding="utf-8"?>
<root>
    <node />
</root>
XML;

// Create a new DOMDocument instance
$dom = new DOMDocument;

// Load the XML
$dom->loadXML($xml);

// Print where the line where the 'node' element was defined in
printf('The <node> tag is defined on line %d', $dom->getElementsByTagName('node')->item(0)->getLineNo());
?>

以上例程会输出：

The <node> tag is defined in line 3