wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php:173Checks if a sidebar can be read publicly.
$sidebararraybool protected function check_read_permission( $sidebar ) { return ! empty( $sidebar['show_in_rest'] ); }Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.