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<?php

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namespace Yoast\WP\SEO\Integrations;

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use Yoast\WP\SEO\Conditionals\Admin\Estimated_Reading_Time_Conditional;

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/**

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* Estimated reading time class.

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class Estimated_Reading_Time implements Integration_Interface {

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/**

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* Returns the conditionals based in which this loadable should be active.

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* @return array

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public static function get_conditionals() {

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return [ Estimated_Reading_Time_Conditional::class ];

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}

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/**

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* Initializes the integration.

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* This is the place to register hooks and filters.

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* @return void

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public function register_hooks() {

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\add_filter( 'wpseo_metabox_entries_general', [ $this, 'add_estimated_reading_time_hidden_fields' ] );

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}

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/**

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* Adds an estimated-reading-time hidden field.

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* @param array $field_defs The $fields_defs.

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* @return array

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public function add_estimated_reading_time_hidden_fields( $field_defs ) {

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if ( \is_array( $field_defs ) ) {

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$field_defs['estimated-reading-time-minutes'] = [

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'type' => 'hidden',

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'title' => 'estimated-reading-time-minutes',

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];

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}

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return $field_defs;

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}

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}

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