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<?php |
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/* |
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* This file is part of the Zikula package. |
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* |
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* Copyright Zikula Foundation - http://zikula.org/ |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Zikula\Bundle\CoreBundle\Twig\Extension; |
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use Symfony\Component\Intl\Intl; |
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use Zikula\Bundle\CoreBundle\Twig; |
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use Zikula\Common\Translator\TranslatorInterface; |
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class CoreExtension extends \Twig_Extension |
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{ |
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/** |
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* @var TranslatorInterface |
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*/ |
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private $translator; |
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/** |
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* CoreExtension constructor. |
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* @param TranslatorInterface $translator |
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*/ |
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public function __construct(TranslatorInterface $translator) |
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{ |
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$this->translator = $translator; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getTokenParsers() |
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{ |
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return [ |
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new Twig\TokenParser\SwitchTokenParser() |
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]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFunctions() |
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{ |
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$functions = [ |
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new \Twig_SimpleFunction('array_unset', [$this, 'arrayUnset']), |
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new \Twig_SimpleFunction('callFunc', [$this, 'callFunc']), |
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]; |
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return $functions; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFilters() |
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{ |
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return [ |
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new \Twig_SimpleFilter('languageName', [$this, 'languageName']), |
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new \Twig_SimpleFilter('yesNo', [$this, 'yesNo']), |
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new \Twig_SimpleFilter('php', [$this, 'applyPhp']), |
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new \Twig_SimpleFilter('protectMail', [$this, 'protectMailAddress'], ['is_safe' => ['html']]), |
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]; |
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} |
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/** |
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* Delete a key of an array |
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* |
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* @param array $array Source array |
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* @param string $key The key to remove |
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* |
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* @return array |
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*/ |
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public function arrayUnset($array, $key) |
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{ |
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unset($array[$key]); |
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return $array; |
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} |
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/** |
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* @param string $code |
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* @return string |
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*/ |
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public function languageName($code) |
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{ |
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return Intl::getLanguageBundle()->getLanguageName($code); |
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} |
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/** |
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* @param $string |
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* @return string |
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*/ |
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public function yesNo($string) |
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{ |
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if ($string != '0' && $string != '1') { |
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return $string; |
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} |
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return (bool)$string ? $this->translator->__('Yes') : $this->translator->__('No'); |
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} |
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/** |
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* Apply an existing function (e.g. php's `md5`) to a string. |
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* |
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* @param $string |
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* @param $func |
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* @return mixed |
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*/ |
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public function applyPhp($string, $func) |
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{ |
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if (function_exists($func)) { |
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return $func($string); |
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} |
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return $string; |
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} |
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/** |
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* Protect a given mail address by finding the text 'x@y' and replacing |
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* it with HTML entities. This provides protection against email harvesters. |
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* |
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* @param string |
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* @return string |
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*/ |
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public function protectMailAddress($string) |
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{ |
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$string = preg_replace_callback( |
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'/(.)@(.)/s', |
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function ($m) { |
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return "&#" . sprintf("%03d", ord($m[1])) . ";@&#" .sprintf("%03d", ord($m[2])) . ";"; |
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}, |
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$string |
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); |
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return $string; |
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} |
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/** |
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* Call a php callable with parameters. |
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* @param callable $callable |
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* @param array $params |
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* @return mixed |
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*/ |
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public function callFunc(callable $callable, array $params = []) |
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{ |
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if (function_exists($callable)) { |
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return call_user_func_array($callable, $params); |
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} |
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throw new \InvalidArgumentException($this->translator->__('Function does not exist or is not callable.')); |
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} |
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} |
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zikula /
core
