wp-admin/includes/class-wp-screen.php:602Gets the arguments for a help tab.
$idstring?array public function get_help_tab( $id ) { if ( ! isset( $this->_help_tabs[ $id ] ) ) { return null; } return $this->_help_tabs[ $id ]; }Introduced in 3.4.0. One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
array to ?array.verified against sourcesrc/wp-admin/includes/class-wp-screen.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.