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<?php |
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namespace Leonidas\Framework\Site\Module; |
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use Leonidas\Framework\Module\Abstracts\Module; |
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use Leonidas\Hooks\TargetsWpBodyOpenHook; |
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use Leonidas\Hooks\TargetsWpHeadHook; |
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use WebTheory\Html\Html; |
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class GoogleTagManagerScripts extends Module |
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{ |
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use TargetsWpBodyOpenHook; |
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use TargetsWpHeadHook; |
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protected const NS_URL = 'https://www.googletagmanager.com/ns.html'; |
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protected const GTAG_URL = 'https://www.googletagmanager.com/gtag/js'; |
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protected const GTM_SCRIPT = <<<JS |
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(function (w, d, s, l, i) { |
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w[l] = w[l] || []; |
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w[l].push({'gtm.start': new Date().getTime(), event: 'gtm.js'}); |
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var f = d.getElementsByTagName(s)[0], |
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j = d.createElement(s), |
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dl = l != 'dataLayer' ? '&l=' + l : ''; |
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j.async = true; |
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j.src = 'https://www.googletagmanager.com/gtm.js?id=' + i + dl; |
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f.parentNode.insertBefore(j, f); |
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})(window, document, 'script', 'dataLayer', '%s'); |
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JS; |
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protected string $tagId; |
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public function hook(): void |
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{ |
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$this->targetWpBodyOpenHook(); |
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$this->targetWpHeadHook(); |
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} |
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protected function getTagId(): string |
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{ |
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return $this->tagId ?? $this->tagId(); |
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} |
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protected function getWpHeadPriority(): int |
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{ |
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return PHP_INT_MIN; |
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} |
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protected function getWpBodyOpenPriority(): int |
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{ |
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return PHP_INT_MIN; |
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} |
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protected function doWpHeadAction(): void |
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{ |
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$nl = PHP_EOL; |
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$script = $nl . $this->getGtmScript() . $nl; |
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echo '<!-- Google Tag Manager -->' . $nl; |
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echo Html::tag('script', [], $script) . $nl; |
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echo '<!-- End Google Tag Manager -->' . $nl; |
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} |
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protected function doWpBodyOpenAction(): void |
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{ |
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$nl = PHP_EOL; |
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$iframe = $this->getNsIframe(); |
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echo '<!-- Google Tag Manager (noscript) -->' . $nl; |
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echo Html::tag('noscript', [], $iframe) . $nl; |
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echo '<!-- End Google Tag Manager (noscript) -->' . $nl; |
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} |
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protected function getGtmScript(): string |
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{ |
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return sprintf(static::GTM_SCRIPT, $this->getTagId()); |
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} |
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protected function getNsIframe(): string |
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{ |
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return Html::tag('iframe', [ |
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'src' => add_query_arg($this->getNsQuery(), static::NS_URL), |
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'height' => '0', |
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'width' => '0', |
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'style' => 'display:none;visibility:hidden', |
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]); |
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} |
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protected function getNsQuery(): array |
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{ |
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return ['id' => $this->getTagId()]; |
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} |
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protected function tagId(): string |
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{ |
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return $this->getConfig('services.google.tag_manager.id', ''); |
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} |
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} |
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spider-mane /
leonidas
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