<?php
$header_nodes = (new DOMXPath(
(new DOMDocument())->loadHTML(
'<?xml version="1.0" encoding="UTF-8"?>'.'<h2>asdf</h2>',
)
))->query('//*[self::h2 or self::h3]');
var_dump($header_nodes->length);
Fatal error: Uncaught TypeError: DOMXPath::__construct(): Argument #1 ($document) must be of type DOMDocument, true given in /in/ITWWX:3
Stack trace:
#0 /in/ITWWX(3): DOMXPath->__construct(true)
#1 {main}
thrown in /in/ITWWX on line 3
Process exited with code 255.
Output for 8.2.0 - 8.2.18
Fatal error: Uncaught TypeError: DOMXPath::__construct(): Argument #1 ($document) must be of type DOMDocument, bool given in /in/ITWWX:3
Stack trace:
#0 /in/ITWWX(3): DOMXPath->__construct(true)
#1 {main}
thrown in /in/ITWWX on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: DOMXPath::__construct(): Argument #1 ($document) must be of type DOMDocument, bool given in /in/ITWWX:5
Stack trace:
#0 /in/ITWWX(5): DOMXPath->__construct(true)
#1 {main}
thrown in /in/ITWWX on line 5
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.3 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to DOMXPath::__construct() must be an instance of DOMDocument, bool given in /in/ITWWX:5
Stack trace:
#0 /in/ITWWX(5): DOMXPath->__construct(true)
#1 {main}
thrown in /in/ITWWX on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.34, 7.2.29 - 7.2.33
Parse error: syntax error, unexpected ')' in /in/ITWWX on line 6
Process exited with code 255.