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@ 2025-03-28T11:57:16Z

<?php

class Twig {
    const TWIG_PREFIX = 1;
    
    const SHORT = 2;
    
    public static function getMode(string $input): int
    {
        $mode = 0;
        
        if (str_contains($input, '<twig:')) {
            $mode |= Twig::TWIG_PREFIX;
        }
        
        if (preg_match_all('/<([A-Z][a-zA-Z0-9_:-]+)([^>]*)>/', $input, $matches, \PREG_SET_ORDER)) {
            $mode |= Twig::SHORT;
        }
        
        return $mode;
    }
}

// Both
$input = '<twig:test></twig:test> <Test>test</Test>';
$mode = Twig::getMode($input);
var_dump($mode);
$hasTwigPrefix = (bool) ($mode & Twig::TWIG_PREFIX);
$hasShort = (bool) ($mode & Twig::SHORT);
var_dump($hasTwigPrefix);
var_dump($hasShort);

// Twig
$input = '<twig:test></twig:test>';
$mode = Twig::getMode($input);
var_dump($mode);
$hasTwigPrefix = (bool) ($mode & Twig::TWIG_PREFIX);
$hasShort = (bool) ($mode & Twig::SHORT);
var_dump($hasTwigPrefix);
var_dump($hasShort);

// Short
$input = '<Test>test</Test>';
$mode = Twig::getMode($input);
var_dump($mode);
$hasTwigPrefix = (bool) ($mode & Twig::TWIG_PREFIX);
$hasShort = (bool) ($mode & Twig::SHORT);
var_dump($hasTwigPrefix);
var_dump($hasShort);

// Nothing
$input = '<section>test</section>';
$mode = Twig::getMode($input);
var_dump($mode);
$hasTwigPrefix = (bool) ($mode & Twig::TWIG_PREFIX);
$hasShort = (bool) ($mode & Twig::SHORT);
var_dump($hasTwigPrefix);
var_dump($hasShort);

Output for git.master, git.master_jit: int(3) bool(true) bool(true) int(1) bool(true) bool(false) int(2) bool(false) bool(true) int(0) bool(false) bool(false)

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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