The DOMNode::getLineNo() function is an inbuilt function in PHP which is used to get the line number for where the node is defined.
Syntax:
DOMNode DOMNode::getLineNo( void )
Parameters:This function doesn’t accept any parameter.
Return Value: This function returns the line number where the node was defined in.
Below given programs illustrate the DOMNode::getLineNo() function in PHP:
Program 1:
<?php // Create a XML variable $xml = <<<XML <?xml version="1.0" encoding="utf-8"?> <root> <h1>neveropen</h1> </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 echo 'The <node> tag is defined on line ' . $dom->getElementsByTagName('h1')->item(0)->getLineNo(); ?> |
Output:
The tag is defined on line 3
Program 2:
<?php // Create a XML variable $xml = <<<XML <?xml version="1.0" encoding="utf-8"?> <root> <h1>Geeks</h1> <h1>For</h1> <h1>Geeks</h1> </root> XML; // Create a new DOMDocument instance $dom = new DOMDocument(); // Load the XML $dom->loadXML($xml); for ($i = 0; $i < 3; $i++) { // Print where the line where the 'node' element was defined in echo $i . ') The h1 tag is defined on line ' . $dom->getElementsByTagName('h1')->item($i)->getLineNo() . "<br>"; } ?> |
Output:
0) The h1 tag is defined on line 3 1) The h1 tag is defined on line 4 2) The h1 tag is defined on line 5
Reference: https://www.php.net/manual/en/domnode.getlineno.php
