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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Admin

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/**

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* Collects the data from the added collection objects.

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class WPSEO_Collector {

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/**

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* Holds the collections.

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* @var WPSEO_Collection[]

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protected $collections = [];

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/**

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* Adds a collection object to the collections.

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* @param WPSEO_Collection $collection The collection object to add.

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* @return void

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public function add_collection( WPSEO_Collection $collection ) {

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$this->collections[] = $collection;

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}

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/**

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* Collects the data from the collection objects.

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* @return array The collected data.

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public function collect() {

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$data = [];

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foreach ( $this->collections as $collection ) {

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$data = array_merge( $data, $collection->get() );

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}

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return $data;

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}

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/**

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* Returns the collected data as a JSON encoded string.

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* @return false|string The encode string.

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public function get_as_json() {

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return WPSEO_Utils::format_json_encode( $this->collect() );

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}

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}

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