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#html5

6 posts6 participants0 posts today
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Habr

Разработка топ мобильной игры в соло, с нуля, без бюджета, без движка, без знания языка программирования. Начало

Давно хотел сделать мобильную игру, но руки никак не доходили. А неделю назад решил, что время пришло, поэтому решено - начинаем делать.

habr.com/ru/articles/897632/

ХабрРазработка топ мобильной игры в соло, с нуля, без бюджета, без движка, без знания языка программирования. НачалоДавно хотел сделать мобильную игру, но руки никак не доходили. А неделю назад решил, что время пришло, поэтому решено — начинаем делать. День 1 Для начала определяемся с уровнем игры....
#разработка#движки#html5
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Kevin Karhan :verified:

@ajsadauskas @JessTheUnstill @tomiahonen yes, and to add insult to injury #Mozilla didn't even wanted to sell people like @fuchsiii or me a #FirefoxOS device, with the only one being "launched" in the #EU being a #SimLock'd & #NetLock'd #prepaid phone in #Spain one could only attain in-store with all the "#KYC" nonsense they had, demanding a legal address in Spain back then.

And #nerds like myself are far from the "#consoomer #Normies" for whom stuff that isn't on shelves at Staturn/MediaMarkt, BestBuy, Walmart, ... doesn't exist. I'm used to importing #tech that I want!

YouTubeWe Tried Signal's MobileCoin So You Never Have To...By Techlore
#mobilecoin
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Terence Eden’s Blog

An opinionated HTML Serializer for PHP 8.4

shkspr.mobi/blog/2025/04/an-op

A few days ago, I wrote a shitty pretty-printer for PHP 8.4's new Dom\HTMLDocument class.

I've since re-written it to be faster and more stylistically correct.

It turns this:

<html lang="en-GB"><head><title id="something">Test</title></head><body><h1 class="top upper">Testing</h1><main><p>Some <em>HTML</em> and an <img src="example.png" alt="Alternate Text"></p>Text not in an element<ol><li>List</li><li>Another list</li></ol></main></body></html>

Into this:

<!doctype html><html lang=en-GB>    <head>        <title id=something>Test</title>    </head>    <body>        <h1 class="top upper">Testing</h1>        <main>            <p>                Some                 <em>HTML</em>                 and an                 <img src=example.png alt="Alternate Text">            </p>            Text not in an element            <ol>                <li>List</li>                <li>Another list</li>            </ol>        </main>    </body></html>

I say it is "opinionated" because it does the following:

  • Attributes are unquoted unless necessary.
  • Every element is logically indented.
  • Text content of CSS and JS is unaltered. No pretty-printing, minification, or checking for correctness.
  • Text content of elements may have extra newlines and tabs. Browsers will tend to ignore multiple whitespaces unless the CSS tells them otherwise.
    • This fucks up <pre> blocks which contain markup.

It is primarily designed to make the markup easy to read. Because according to the experts:

A computer language is not just a way of getting a computer to perform operations but rather … it is a novel formal medium for expressing ideas about methodology. Thus, programs must be written for people to read, and only incidentally for machines to execute.

I'm fairly sure this all works properly. But feel free to argue in the comments or send me a pull request.

Here's how it works.

When is an element not an element? When it is a void!

Modern HTML has the concept of "Void Elements". Normally, something like <a> must eventually be followed by a closing </a>. But Void Elements don't need closing.

This keeps a list of elements which must not be explicitly closed.

$void_elements = [    "area",    "base",    "br",    "col",    "embed",    "hr",    "img",    "input",    "link",    "meta",    "param",    "source",    "track",    "wbr",];

Tabs 🆚 Space

Tabs, obviously. Users can set their tab width to their personal preference and it won't get confused with semantically significant whitespace.

$indent_character = "\t";

Setting up the DOM

The new HTMLDocument should be broadly familiar to anyone who has used the previous one.

$html = '<html lang="en-GB"><head><title id="something">Test</title></head><body><h1 class="top upper">Testing</h1><main><p>Some <em>HTML</em> and an <img src="example.png" alt="Alternate Text"></p>Text not in an element<ol><li>List</li><li>Another list</li></ol></main></body></html>>'$dom = Dom\HTMLDocument::createFromString( $html, LIBXML_NOERROR, "UTF-8" );

This automatically adds <head> and <body> elements. If you don't want that, use the LIBXML_HTML_NOIMPLIED flag:

$dom = Dom\HTMLDocument::createFromString( $html, LIBXML_NOERROR | LIBXML_HTML_NOIMPLIED, "UTF-8" );

To Quote or Not To Quote?

Traditionally, HTML attributes needed quotes:

<img src="example.png" class="avatar no-border" id="user-123">

Modern HTML allows those attributes to be unquoted as long as they don't contain ASCII Whitespace or certain other characters

For example, the above becomes:

<img src=example.png class="avatar no-border" id=user-123>

This function looks for the presence of those characters:

function value_unquoted( $haystack ){    //  Must not contain specific characters    $needles = [         //  https://infra.spec.whatwg.org/#ascii-whitespace        "\t", "\n", "\f", "\n", " ",         //  https://html.spec.whatwg.org/multipage/syntax.html#unquoted         "\"", "'", "=", "<", ">", "`" ];    foreach ( $needles as $needle )    {        if ( str_contains( $haystack, $needle ) )        {            return false;        }    }    //  Must not be null    if ( $haystack == null ) { return false; }    return true;}

Re-re-re-recursion

I've tried to document this as best I can.

It traverses the DOM tree, printing out correctly indented opening elements and their attributes. If there's text content, that's printed. If an element needs closing, that's printed with the appropriate indentation.

function serializeHTML( $node, $treeIndex = 0, $output = ""){    global $indent_character, $preserve_internal_whitespace, $void_elements;    //  Manually add the doctype to start.    if ( $output == "" ) {        $output .= "<!doctype html>\n";    }    if( property_exists( $node, "localName" ) ) {        //  This is an Element.        //  Get all the Attributes (id, class, src, &c.).        $attributes = "";        if ( property_exists($node, "attributes")) {            foreach( $node->attributes as $attribute ) {                $value = $attribute->nodeValue;                //  Only add " if the value contains specific characters.                $quote = value_unquoted( $value ) ? "" : "\"";                $attributes .= " {$attribute->nodeName}={$quote}{$value}{$quote}";            }        }        //  Print the opening element and all attributes.        $output .= "<{$node->localName}{$attributes}>";    } else if( property_exists( $node, "nodeName" ) &&  $node->nodeName == "#comment" ) {        //  Comment        $output .= "<!-- {$node->textContent} -->";    }    //  Increase indent.    $treeIndex++;    $tabStart = "\n" . str_repeat( $indent_character, $treeIndex );     $tabEnd   = "\n" . str_repeat( $indent_character, $treeIndex - 1);    //  Does this node have children?    if( property_exists( $node, "childElementCount" ) && $node->childElementCount > 0 ) {        //  Loop through the children.        $i=0;        while( $childNode = $node->childNodes->item( $i++ ) ) {            //  Is this a text node?            if ($childNode->nodeType == 3 ) {                //  Only print output if there's no HTML inside the content.                //  Ignore Void Elements.                if (                       !str_contains( $childNode->textContent, "<" ) &&                     property_exists( $childNode, "localName" ) &&                           !in_array( $childNode->localName, $void_elements ) )                 {                    $output .= $tabStart . $childNode->textContent;                }            } else {                $output .= $tabStart;            }            //  Recursively indent all children.            $output = serializeHTML( $childNode, $treeIndex, $output );        };        //  Suffix with a "\n" and a suitable number of "\t"s.        $output .= "{$tabEnd}";     } else if ( property_exists( $node, "childElementCount" ) && property_exists( $node, "innerHTML" ) ) {        //  If there are no children and the node contains content, print the contents.        $output .= $node->innerHTML;    }    //  Close the element, unless it is a void.    if( property_exists( $node, "localName" ) && !in_array( $node->localName, $void_elements ) ) {        $output .= "</{$node->localName}>";    }    //  Return a string of fully indented HTML.    return $output;}

Print it out

The serialized string hardcodes the <!doctype html> - which is probably fine. The full HTML is shown with:

echo serializeHTML( $dom->documentElement );

Next Steps

Please raise any issues on GitLab or leave a comment.

The HTML5 Logo.
Terence Eden’s Blog · An opinionated HTML Serializer for PHP 8.4
More from Terence Eden
#HowTo#HTML5#php
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Terence Eden

🆕 blog! “An opinionated HTML Serializer for PHP 8.4”

A few days ago, I wrote a shitty pretty-printer for PHP 8.4's new Dom\HTMLDocument class.

I've since re-written it to be faster and more stylistically correct.

It turns this:

<html lang="en-GB"><head><title id="something">Test</title></head><body><h1 class="top upper">Testing</h1><main><p>Some <em>HTML</em> and an…

👀 Read more: shkspr.mobi/blog/2025/04/an-op
⸻

The HTML5 Logo.
Terence Eden’s Blog · An opinionated HTML Serializer for PHP 8.4
More from Terence Eden
Public
Claudio Pires

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VisualmodoRare WordPress Theme - Ultimate Responsive Template by VisualmodoRare WordPress Theme can be used for any type of website design building; business, corporate, portfolio, blog, shop, agency and much more in only one tool
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bracken

On vacation, so hacking on some personal website tools. I _love_ contentEditable and am enjoying hacking together a native content editor just because. I'm just going to save some innerHTML to actual .html files and it's beautiful. #html5

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Gym WordPress Theme - Choose a WordPress theme that works! build any gym site design without code knowledge - Gym & Fitness WordPress theme - clean, modern, responsive, minimalist, sportive multi-purpose and strong visualmodo.com/theme/gym-wordp
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