wp-includes/class-wp-customize-manager.php:4016Retrieves a customize section.
$idstringWP_Customize_Section|null public function get_section( $id ) { if ( isset( $this->sections[ $id ] ) ) { return $this->sections[ $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.
WP_Customize_Section|void to WP_Customize_Section|null.verified against sourcesrc/wp-includes/class-wp-customize-manager.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.