wp-includes/class-wp-customize-setting.php:520Checks user capabilities and theme supports, and then saves the value of the setting.
void|falseOne hook fires while WP_Customize_Setting::save() runs, in this order:
Fires when the WP_Customize_Setting::save() method is called.
final public function save() { $value = $this->post_value(); if ( ! $this->check_capabilities() || ! isset( $value ) ) { return false; } $id_base = $this->id_data['base']; /** * Fires when the WP_Customize_Setting::save() method is called. * * The dynamic portion of the hook name, `$id_base` refers to * the base slug of the setting name. * * @since 3.4.0 * * @param WP_Customize_Setting $setting WP_Customize_Setting instance. */ do_action( "customize_save_{$id_base}", $this ); $this->update( $value ); }Introduced in 3.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-setting.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.