phacil-framework/system/templateEngines/Twig/Extension/ExacTITranslate1x.php

<?php
/**
 * Copyright (c) 2020. ExacTI Technology Solutions
 * GPLv3 General License.
 * https://exacti.com.br
 * Phacil PHP Framework - https://github.com/exacti/phacil-framework
 */

define('TWIGtagIni', 't');
define('TWIGtagClose', 'endt');

class transTokenParser extends \Twig_TokenParser
{

    public function parse(\Twig_Token $token)
    {
        $lineno = $token->getLine();

        $stream = $this->parser->getStream();

        // recovers all inline parameters close to your tag name
        $params = array_merge(array (), $this->getInlineParams($token));

        $continue = true;
        while ($continue)
        {
            // create subtree until the decidetransFork() callback returns true
            $body = $this->parser->subparse(array ($this, 'decidetransFork'));

            // I like to put a switch here, in case you need to add middle tags, such
            // as: {% trans %}, {% nexttrans %}, {% endtrans %}.
            $tag = $stream->next()->getValue();

            switch ($tag)
            {
                case TWIGtagClose:
                    $continue = false;
                    break;
                default:
                    throw new \Twig_Error_Syntax(sprintf('Unexpected end of template. Twig was looking for the following tags '.TWIGtagClose.' to close the '.TWIGtagIni.' block started at line %d)', $lineno), -1);
            }

            // you want $body at the beginning of your arguments
            array_unshift($params, $body);

            // if your endtrans can also contains params, you can uncomment this line:
            // $params = array_merge($params, $this->getInlineParams($token));
            // and comment this one:
            $stream->expect(\Twig_Token::BLOCK_END_TYPE);
        }

        return new transNode(new \Twig_Node($params), $lineno, $this->getTag());
    }

    /**
     * Recovers all tag parameters until we find a BLOCK_END_TYPE ( %} )
     *
     * @param \Twig_Token $token
     * @return array
     */
    protected function getInlineParams(\Twig_Token $token)
    {
        $stream = $this->parser->getStream();
        $params = array ();
        while (!$stream->test(\Twig_Token::BLOCK_END_TYPE))
        {
            $params[] = $this->parser->getExpressionParser()->parseExpression();
        }
        $stream->expect(\Twig_Token::BLOCK_END_TYPE);
        return $params;
    }

    /**
     * Callback called at each tag name when subparsing, must return
     * true when the expected end tag is reached.
     *
     * @param \Twig_Token $token
     * @return bool
     */
    public function decidetransFork(\Twig_Token $token)
    {
        return $token->test(array (TWIGtagClose));
    }

    /**
     * Your tag name: if the parsed tag match the one you put here, your parse()
     * method will be called.
     *
     * @return string
     */
    public function getTag()
    {
        return TWIGtagIni;
    }

}


class transNode extends \Twig_Node
{

    public function __construct($params, $lineno = 0, $tag = null)
    {
        parent::__construct(array ('params' => $params), array (), $lineno, $tag);
    }

    public function compile(\Twig_Compiler $compiler)
    {
        $count = count($this->getNode('params'));

        $compiler
            ->addDebugInfo($this);

        for ($i = 0; ($i < $count); $i++)
        {
            // argument is not an expression (such as, a \Twig_Node_Textbody)
            // we should trick with output buffering to get a valid argument to pass
            // to the functionToCall() function.
            if (!($this->getNode('params')->getNode($i) instanceof \Twig_Node_Expression))
            {
                $compiler
                    ->write('ob_start();')
                    ->raw(PHP_EOL);

                $compiler
                    ->subcompile($this->getNode('params')->getNode($i));

                $compiler
                    ->write('$_trans[] = ob_get_clean();')
                    ->raw(PHP_EOL);
            }
            else
            {
                $compiler
                    ->write('$_trans[] = ')
                    ->subcompile($this->getNode('params')->getNode($i))
                    ->raw(';')
                    ->raw(PHP_EOL);
            }
        }

        $compiler
            ->write('call_user_func_array(')
            ->string('traduzir')
            ->raw(', $_trans);')
            ->raw(PHP_EOL);

        $compiler
            ->write('unset($_trans);')
            ->raw(PHP_EOL);
    }

}



class transExtension extends \Twig_Extension
{

    public function getTokenParsers()
    {
        return array (
            new transTokenParser(),
        );
    }

    public function getName()
    {
        return TWIGtagIni;
    }

}


function traduzir() {
    $params = func_get_args();
    $body = array_shift($params);

    if (class_exists('Translate')) {
        $trans = new Translate();
        echo ($trans->translation($body));
    } else {
        echo $body;
    }

}