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<?php |
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|
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namespace Yoast\WP\SEO\Presenters; |
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|
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use WPSEO_Utils; |
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|
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/** |
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* Presenter class for the schema object. |
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*/ |
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class Schema_Presenter extends Abstract_Indexable_Presenter { |
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|
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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 $key = 'schema'; |
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|
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/** |
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* Returns the schema output. |
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* |
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* @return string The schema tag. |
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*/ |
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public function present() { |
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$deprecated_data = [ |
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'_deprecated' => 'Please use the "wpseo_schema_*" filters to extend the Yoast SEO schema data - see the WPSEO_Schema class.', |
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]; |
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|
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/** |
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* Filter: 'wpseo_json_ld_output' - Allows disabling Yoast's schema output entirely. |
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* |
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* @api mixed If false or an empty array is returned, disable our output. |
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*/ |
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$return = \apply_filters( 'wpseo_json_ld_output', $deprecated_data, '' ); |
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if ( $return === [] || $return === false ) { |
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return ''; |
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} |
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|
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/** |
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* Action: 'wpseo_json_ld' - Output Schema before the main schema from Yoast SEO is output. |
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*/ |
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\do_action( 'wpseo_json_ld' ); |
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|
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$schema = $this->get(); |
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if ( \is_array( $schema ) ) { |
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$output = WPSEO_Utils::format_json_encode( $schema ); |
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$output = \str_replace( "\n", \PHP_EOL . "\t", $output ); |
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return '<script type="application/ld+json" class="yoast-schema-graph">' . $output . '</script>'; |
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} |
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|
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return ''; |
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} |
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|
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/** |
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* Gets the raw value of a presentation. |
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* |
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* @return array The raw value. |
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*/ |
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public function get() { |
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return $this->presentation->schema; |
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} |
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} |
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|
