option_(option) │ filter-hook │ WP 3.0.0

Filters the value of an existing option.

The dynamic portion of the hook name, $option, refers to the option name.

Usage

add_filter( 'option_(option)', 'wp_kama_option_filter', 10, 2 );

/**
 * Function for `option_(option)` filter-hook.
 * 
 * @param mixed  $value  Value of the option. If stored serialized, it will be unserialized prior to being returned.
 * @param string $option Option name.
 *
 * @return mixed
 */
function wp_kama_option_filter( $value, $option ){

	// filter...
	return $value;
}

$value(mixed): Value of the option. If stored serialized, it will be unserialized prior to being returned.
$option(string): Option name.

Changelog

Since 3.0.0	Introduced.
Since 1.5.0	As `'option_'` . `$setting`
Since 4.4.0	The `$option` parameter was added.

Where the hook is called

get_option()

pre_option_(option)

default_option_(option)

option_(option)

WP_Customize_Widgets::capture_filter_pre_get_option()

option_(option)

wp-includes/option.php 229

return apply_filters( "option_{$option}", maybe_unserialize( $value ), $option );

wp-includes/class-wp-customize-widgets.php 2138

$value = apply_filters( 'option_' . $option_name, $value, $option_name );

Where the hook is used in WordPress

wp-includes/class-wp-customize-setting.php 382

add_filter( "option_{$id_base}", $multidimensional_filter );

wp-includes/class-wp-customize-widgets.php 281

add_filter( 'option_sidebars_widgets', array( $this, 'filter_option_sidebars_widgets_for_theme_switch' ), 1 );

wp-includes/customize/class-wp-customize-nav-menu-setting.php 224

add_filter( 'option_nav_menu_options', array( $this, 'filter_nav_menu_options' ) );

wp-includes/default-filters.php 280

add_filter( 'option_ping_sites', 'privacy_ping_filter' );

wp-includes/default-filters.php 281

add_filter( 'option_blog_charset', '_wp_specialchars' ); // IMPORTANT: This must not be wp_specialchars() or esc_html() or it'll cause an infinite loop.

wp-includes/default-filters.php 282

add_filter( 'option_blog_charset', '_canonical_charset' );

wp-includes/default-filters.php 283

add_filter( 'option_home', '_config_wp_home' );

wp-includes/default-filters.php 284

add_filter( 'option_siteurl', '_config_wp_siteurl' );

wp-includes/default-filters.php 294

add_filter( 'option_tag_base', '_wp_filter_taxonomy_base' );

wp-includes/default-filters.php 295

add_filter( 'option_category_base', '_wp_filter_taxonomy_base' );

wp-includes/ms-default-filters.php 121

remove_filter( 'option_siteurl', '_config_wp_siteurl' );

wp-includes/ms-default-filters.php 122

remove_filter( 'option_home', '_config_wp_home' );

wp-includes/ms-default-filters.php 20

add_filter( 'option_users_can_register', 'users_can_register_signup_filter' );