Get line number for a node

# DOMNode::getLineNo

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

DOMNode::getLineNo — Get line number for a node

### Description

public DOMNode::getLineNo(): int

Gets line number for where the node was defined at parse time.

### Parameters

This function has no parameters.

### Return Values

Returns the line number where the node was defined at parse time. If the node was created manually, the return value will be `0`.

### Examples

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());
?>`

The above example will output:

    The <node> tag is defined in line 3

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