wp-includes/class-wp-customize-setting.php:571Sanitize an input.
$valuestring|arraystring|array|null|WP_ErrorOne hook fires while WP_Customize_Setting::sanitize() runs, in this order:
Filters a Customize setting value in un-slashed form.
public function sanitize( $value ) { /** * Filters a Customize setting value in un-slashed form. * * @since 3.4.0 * * @param mixed $value Value of the setting. * @param WP_Customize_Setting $setting WP_Customize_Setting instance. */ return apply_filters( "customize_sanitize_{$this->id}", $value, $this ); }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.