PHP code example of tbela99 / css

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

tbela99 / css example snippets

use \TBela\CSS\Parser;

$parser = new Parser();

$parser->setContent('
h1 {
  color: green;
  color: blue;
  color: black;
}

h1 {
  color: #000;
  color: aliceblue;
}');

echo $parser->parse();

use \TBela\CSS\Parser;
use \TBela\CSS\Renderer;

$parser = new Parser($css);
$element = $parser->parse();

// append an existing css file
$parser->append('https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css');

// append css string
$parser->appendContent($css_string);

// pretty print css
$css = (string) $element;

// minified output
$renderer = new Renderer([
  'compress' => true,
  'convert_color' => 'hex',
  'css_level' => 4,
  'sourcemap' => true,
  'allow_duplicate_declarations' => false
  ]);

// fast
$css = $renderer->renderAst($parser);
// or
$css = $renderer->renderAst($parser->getAst());
// slow
$css = $renderer->render($element);

// generate sourcemap -> css/all.css.map
$renderer->save($element, 'css/all.css');

// save as json
file_put_contents('style.json', json_encode($element));

use \TBela\CSS\Renderer;
// fastest way to render css
$beautify = (new Renderer())->renderAst($parser->setContent($css)->getAst());
// or
$beautify = (new Renderer())->renderAst($parser->setContent($css));

// or
$css = (new Renderer())->renderAst(json_decode(file_get_contents('style.json')));

use \TBela\CSS\Renderer;

$ast = json_decode(file_get_contents('style.json'));

$renderer = new Renderer([
    'convert_color' => true,
    'compress' => true, // minify the output
    'remove_empty_nodes' => true // remove empty css classes
]);

$css = $renderer->renderAst($ast);

$renderer = new Renderer([
  'sourcemap' => true
  ]);

// call save and specify the file name
// generate sourcemap -> css/all.css.map
$renderer->save($element, 'css/all.css');

$element = Element::fromUrl('https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css');

foreach ($element->query('[@name=background][@value*="url("]|[@name=background-image][@value*="url("]') as $p) {

    echo "$p\n";
}

use \TBela\CSS\Parser;

$parser = new Parser();

$parser->setContent($css);

$stylesheet = $parser->parse();

// get @font-face nodes by class names
$nodes = $stylesheet->queryByClassNames('@font-face, .foo .bar');

// or

// get all src properties in a @font-face rule
$nodes = $stylesheet->query('@font-face/src');

echo implode("\n", array_map('trim', $nodes));

$stylesheet->setChildren(array_map(function ($node) { return $node->copy()->getRoot(); }, $nodes));
$stylesheet->deduplicate();

echo $stylesheet;

use TBela\CSS\Parser;

echo new Parser($css);

 

use TBela\CSS\Parser;
use \TBela\CSS\Renderer;

$renderer = new Renderer( ['legacy_rendering' => true]);
echo $renderer->renderAst(new Parser($css));

use TBela\CSS\Ast\Traverser;
use TBela\CSS\Parser;
use TBela\CSS\Renderer;

$parser = (new Parser())->load('ast/media.css');
$traverser = new Traverser();
$renderer = new Renderer(['remove_empty_nodes' => true]);

$ast = $parser->getAst();

// remove @media print
$traverser->on('enter', function ($node) {

    if ($node->type == 'AtRule' && $node->name == 'media' && $node->value == 'print') {

        return Traverser::IGNORE_NODE;
    }
});

$newAst = $traverser->traverse($ast);
echo $renderer->renderAst($newAst);

use TBela\CSS\Ast\Traverser;
use TBela\CSS\Parser;
use TBela\CSS\Renderer;

$parser = (new Parser())->load('ast/media.css');
$traverser = new Traverser();
$renderer = new Renderer(['remove_empty_nodes' => true]);

$element = $parser->parse();

// remove @media print
$traverser->on('enter', function ($node) {

    if ($node->type == 'AtRule' && $node->name == 'media' && $node->value == 'print') {

        return Traverser::IGNORE_NODE;
    }
});

$newElement = $traverser->traverse($element);
echo $renderer->renderAst($newElement);

use \TBela\CSS\Element\Stylesheet;

$stylesheet = new Stylesheet();

$rule = $stylesheet->addRule('div');

$rule->addDeclaration('background-color', 'white');
$rule->addDeclaration('color', 'black');

echo $stylesheet;

$media = $stylesheet->addAtRule('media', 'print');
$media->append($rule);

$div = $stylesheet->addRule('div');

$div->addDeclaration('max-width', '100%');
$div->addDeclaration('border-width', '0px');

$media->append($div);

$stylesheet->insert($div, 0);

// append css string
$stylesheet->appendCss($css_string);
// append css file
$stylesheet->append('style/main.css');
// append url
$stylesheet->append('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/brands.min.css');

$css = \TBela\CSS\Renderer::fromFile($url_or_file, $renderOptions = [], $parseOptions = []);
#
$css = \TBela\CSS\Renderer::fromString($css, $renderOptions = [], $parseOptions = []);

use \TBela\CSS\Element\Parser;
use \TBela\CSS\Element\Renderer;

$parser = new Parser($css);

// parse and render
echo (string) $parser;

// or render minified css
$renderer = new Renderer(['compress' => true]);

echo $renderer->renderAst($parser);
# or 
echo $renderer->renderAst($parser->getAst());
# or
// slower - will build a stylesheet object
echo $renderer->render($parser->parse());