WP_Customize_Setting::sanitize( string|array $value )

Source

File: wp-includes/class-wp-customize-setting.php

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 $this  WP_Customize_Setting instance.
		 */
		return apply_filters( "customize_sanitize_{$this->id}", $value, $this );
	}