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<?php

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namespace Yoast\WP\SEO\Helpers;

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/**

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* A helper object for the Yoast products.

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class Product_Helper {

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/**

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* Gets the product name.

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* @return string

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public function get_product_name() {

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if ( $this->is_premium() ) {

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return 'Yoast SEO Premium';

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}

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return 'Yoast SEO';

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}

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/**

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* Gets the product name in the head section.

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* @return string

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public function get_name() {

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return $this->get_product_name() . ' plugin';

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}

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/**

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* Checks if the installed version is Yoast SEO Premium.

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* @return bool True when is premium.

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public function is_premium() {

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return \defined( 'WPSEO_PREMIUM_FILE' );

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}

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/**

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* Gets the Premium version if defined, returns null otherwise.

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* @return string|null The Premium version or null when premium version is not defined.

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public function get_premium_version() {

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if ( \defined( 'WPSEO_PREMIUM_VERSION' ) ) {

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return \WPSEO_PREMIUM_VERSION;

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}

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return null;

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}

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/**

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* Gets the version.

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* @return string The version.

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public function get_version() {

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return \WPSEO_VERSION;

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}

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}

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