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Henri Sivonen’s pages

Parin vuoden tutkimattomuus crates.io: Rust Package Registry Asiakirjatonta toimintaa It’s not wrong that "🤦🏼‍♂️".length == 7 Koulutartuntojen tilastointimenettely Perusteasiakirjoja hallussapitämättä ikärajoitettu Asiantuntijat ja nukkuva vallan vahtikoira Koronapassilausunto Suppealla tietopohjalla ohimeneväksi väitetty Text Encoding Menu in 2021 The Text Encoding Submenu Is Gone An HTML5 Conformance Checker Not Part of the Technology Stack Browser Technology Stack Bogo-XML Declaration Returns to Gecko A Look at Encoding Detection and Encoding Menu Telemetry from Firefox 86 Why Supporting Unlabeled UTF-8 in HTML on the Web Would Be Problematic Rust Target Names Aren’t Passed to LLVM Toimintamalli Activating Browser Modes with Doctype Johtopäätöksiä mallin rakenteesta Tehtävänmäärittelyä kirjoittamatta ja kuolemia laskematta laumasuojamallinnettu Character Encoding Menu in 2014 Erillissuosituksen tarpeettomuudesta yleissuosituksen poikkeukseksi? STM:n maskiaikajana Rust 2021 Oma-aloitteisesti mallinnettu Kokopinovaatimuksin kilpailutettu chardetng: A More Compact Character Encoding Detector for the Legacy Web Varauksia paisutellen tiedotettu Perusteasiakirjoitta tiedotettu Always Use UTF-8 & Always Label Your HTML Saying So IME Smoke Testing The Validator.nu HTML Parser About the Hiragino Fonts with CSS It’s Time to Stop Adding New Features for Non-Unicode Execution Encodings in C++ Rust 2020 The Last of the Parsing Quirks About about:blank Rust 2019 a Web-Compatible Character Encoding Library in Rust How I Wrote a Modern C++ Library in Rust Using cargo-fuzz to Transfer Code Review of Simple Safe Code to Complex Code that Uses unsafe A Rust Crate that Also Quacks Like a Modern C++ Library #Rust2018 No Namespaces in JSON, Please A Lecture about HTML5 Julkisesti luotettu varmenne ikidomainille TLS:ää (SSL:ää) varten -webkit-HTML5 Lists in Attribute Values The Sad Story of PNG Gamma “Correction” If You Want Software Freedom on Phones, You Should Work on Firefox OS, Custom Hardware and Web App Self-Hostablility HTML5 Parser Improvements ARIA in HTML5 Integration: Document Conformance (Draft, Take Two) Schema.org and Pre-Existing Communities Lowering memory requirements by replacing Schematron HTML5 Parsing in Gecko: A Build Introducing SAX Tree NVDL Support in Validator.nu HOWTO Avoid Being Called a Bozo When Producing XML An Unofficial Q&A about the Discontinuation of the XHTML2 WG Thoughts on HTML5 Becoming a W3C Recommendation Four Finnish Banks Training Users to Give Banking Credentials to Another Site Unimpressed by Leopard Sergeant Semantics The Content Sink Inheritance Diagram – 2006-06-30 What is EME? About Points and Pixels as Units The Performance Cost of the HTML Tree Builder Social Media Impression Management The spacer Element Is Gone Openmind 2006 Performance Mistake XHTML and Mobile Devices WebM-Enabled Browser Usage Share Exceeds H.264-Enabled Browser Usage Share on Desktop (in StatCounter Numbers) HTML5 Parser-Based View Source Syntax Highlighting Vendor Prefixes Are Hurting the Web Accept-Charset Is No More Dualroids Writing Structural Stylable Document in Mozilla Editor ISO-8859-15 on haitallinen Hourglass The Scientific Method According to Hixie Maemo Source Code Karpelan lukkovertaus ontuu Digitaalisesta arkistoinnista ARIA in HTML5 Integration: Document Conformance (Draft) XHTML—What’s the Point? (Draft, incomplete) Mac OS X Browser Comparison HOWTO Spot a Wannabe Web Standards Advocate An Idea About Intermediate Language Trees and Web UI Generation Thoughts on Using SSL/TLS Certificates as the Solution to Phishing Bureaucracy Meets the Web Europe Day HOWTO Establish a 100% Literacy Rate What to Do with All These Photos? Charmod Norm Checking Validator Web Service Interface Ideas DTDs Don’t Work on the Web EFFI’s Day in Court
UTF-8 to Code Point Array Converter in PHP
Henri Sivonen · 2011-12-22 · via Henri Sivonen’s pages

This package is not being maintained. I have kept it available for historical interest only.

This package contains a PHP include file (utf8.inc) which provides two functions: utf8ToUnicode and unicodeToUtf8. They convert between UTF-8 strings and arrays of ints representing Unicode code points (sort of UCS-4).

Astral planes are supported. Surrogates are not allowed. Occurrences of the BOM are ignored. PHP multibyte string support is not required.

The code has been adapted from the UTF-8 to UTF-16 and UTF-16 to UTF-8 converters of Mozilla. Hence, the code is provided under an NPL 1.1/GPL 2.0/LGPL 2.1 tri-license.