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wpseo_schema_(identifier) хук-фильтр . Yoast 1.0

Filter: 'wpseo_schema_<identifier>' - Allows changing graph piece output.

Использование

add_filter( 'wpseo_schema_(identifier)', 'filter_function_name_6999', 10, 2 );
function filter_function_name_6999( $graph_piece, $context ){
	// filter...

	return $graph_piece;
}
$graph_piece(массив)
The graph piece to filter.
$context(Meta_Tags_Context)
A value object with context variables.

Где вызывается хук

Schema_Generator::generate_graph()
wpseo_schema_(identifier)
yoast/src/generators/schema-generator.php 146
$graph_piece = \apply_filters( 'wpseo_schema_' . $identifier, $graph_piece, $context );

Где используется хук в ядре Yoast SEO

yoast/src/generators/schema-generator.php 239
\add_filter( 'wpseo_schema_webpage', [ $this, 'protected_webpage_schema' ], 1 );
yoast/src/integrations/third-party/the-events-calendar.php 33
\add_filter( 'wpseo_schema_graph_pieces', [ $this, 'add_graph_pieces' ], 11, 2 );
yoast/src/integrations/third-party/web-stories.php 58
\add_filter( 'wpseo_schema_article_post_types', [ $this, 'filter_schema_article_post_types' ] );
yoast/src/integrations/third-party/web-stories.php 59
\add_filter( 'wpseo_schema_article_type', [ $this, 'filter_schema_article_type' ], 10, 2 );