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<?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);
Output for 8.3.0 - 8.3.6
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.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/ITWWX on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/ITWWX on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ITWWX on line 4
Process exited with code 255.

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