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3.8 KiB
3.8 KiB
HTML5
Tools for parsing and printing HTML5 documents and fragments.
<?php
$dom = dW\HTML5\Parser::parse('<!DOCTYPE html><html lang="en" charset="utf-8"><head><title>Ook!</title></head><body><h1>Ook!</h1><p>Ook-ook? Oooook. Ook ook oook ook oooooook ook ooook ook.</p><p>Eek!</p></body></html>');
?>
or:
<?php
$dom = new dW\HTML5\Document;
$dom->loadHTML('<!DOCTYPE html><html lang="en" charset="utf-8"><head><title>Ook!</title></head><body><h1>Ook!</h1><p>Ook-ook? Oooook. Ook ook oook ook oooooook ook ooook ook.</p><p>Eek!</p></body></html>');
?>
Comparison with masterminds/html5
This library and masterminds/html5 serve similar purposes. Generally, we are more accurate, but they are much faster. The following table summarizes the main functional differences.
| Masterminds | MensBeam | |
|---|---|---|
| Minimum PHP version | 5.3 | 7.1 |
| Extensions required | dom, ctype, mbstring or iconv | dom |
| Supported encodings | System-dependent | Per specification |
| Encoding detection | None | Byte order mark, HTTP header, pre-scan |
| Fallback encoding | UTF-8, configurable | Windows-1252, configurable |
| Handling of invalid characters | Characters are dropped | Per specification |
| Handling of invalid XML element names | Name is changed to "invalid" | Per specification |
| Handling of invalid XML attribute names | Attribute is dropped | Per specification |
| Handling of misnested tags | Parent end tags always close children | Per specification |
| Handling of data between table cells | Left as-is | Per specification |
| Handling of omitted start tags | Elements are not inserted | Per specification |
| Handling of processing instructions | Processing instructions are retained | Per specification |
| Namespace for HTML elements | Per specification, configurable | Null |
| Time needed to parse single-page HTML specification | 2.8 seconds† | 7.0 seconds†† |
| Peak memory needed for same | 38 MB | 13.9 MB |
† With HTML namespace disabled. With HTML namespace enabled it does not finish in a reasonable time due to a PHP bug.
†† With parse errors suppressed. Reporting parse errors adds approximately 10% overhead