53 lines
1.1 KiB
PHP
53 lines
1.1 KiB
PHP
<?php
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namespace Yoast\WP\SEO\Presenters;
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use Yoast\WP\SEO\Presentations\Indexable_Presentation;
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/**
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* Presenter class for the canonical.
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*/
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class Canonical_Presenter extends Abstract_Indexable_Tag_Presenter {
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/**
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* The tag key name.
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*
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* @var string
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*/
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protected $key = 'canonical';
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/**
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* The tag format including placeholders.
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*
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* @var string
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*/
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protected $tag_format = self::LINK_REL_HREF;
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/**
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* The method of escaping to use.
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*
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* @var string
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*/
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protected $escaping = 'url';
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/**
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* Run the canonical content through the `wpseo_canonical` filter.
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*
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* @return string The filtered canonical.
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*/
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public function get() {
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if ( \in_array( 'noindex', $this->presentation->robots, true ) ) {
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return '';
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}
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/**
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* Filter: 'wpseo_canonical' - Allow filtering of the canonical URL put out by Yoast SEO.
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*
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* @api string $canonical The canonical URL.
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*
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* @param Indexable_Presentation $presentation The presentation of an indexable.
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*/
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return \urldecode( (string) \trim( \apply_filters( 'wpseo_canonical', $this->presentation->canonical, $this->presentation ) ) );
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}
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}
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