customize_validate_(setting_id) filter-hook . WP 1.0

This filter is documented in wp-includes/class-wp-customize-setting.php

Usage

add_filter( 'customize_validate_(setting_id)', 'filter_function_name_3000', 10, 3 );
function filter_function_name_3000( $WP_Error, $unsanitized_value, $setting ){
	// filter...

	return $WP_Error;
}

$WP_Error

-

$unsanitized_value

-

$setting

-

Where the hook is called

$late_validity = apply_filters( "customize_validate_{$setting->id}", new WP_Error(), $unsanitized_value, $setting );

Where in WP core the hook is used WordPress

add_filter( "customize_validate_{$this->id}", $this->validate_callback, 10, 3 );