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<?php |
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/* |
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* This file is part of the WPFoundation library. |
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* |
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* Copyright (c) 2015-present LIN3S <[email protected]> |
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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 LIN3S\WPFoundation\Twig; |
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/** |
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* Twig function to use in Twig templates that add TagManager container adding the following code. |
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* |
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* {{ tagManager('GTM-XXXXXX') }} |
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* |
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* Remember to call the constructor into theme before using it. |
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* |
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* @author Beñat Espiña <[email protected]> |
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* @author Gorka Laucirica <[email protected]> |
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*/ |
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class TagManagerTwig |
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{ |
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/** |
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* Constructor. |
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*/ |
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public function __construct() |
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{ |
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add_action('twig_apply_filters', function (\Twig_Environment $twig) { |
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$twig->addFunction(new \Twig_SimpleFunction('tagManager', [$this, 'tagManagerFunction'])); |
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return $twig; |
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}); |
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} |
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/** |
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* Callback of "tagManager" Twig function. |
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* |
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* @param string $tagManagerId The tag manager id |
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* |
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* @return string |
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*/ |
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public function tagManagerFunction($tagManagerId) |
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{ |
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return <<<EOT |
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<noscript><iframe src="//www.googletagmanager.com/ns.html?id=$tagManagerId" |
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height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> |
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<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': |
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new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], |
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j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= |
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'//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); |
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})(window,document,'script','dataLayer','$tagManagerId');</script> |
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EOT; |
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} |
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} |
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LIN3S /
WPFoundation
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