default_site_option_(option) filter-hookWP 3.4.0

Filters the value of a specific default network option.

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

Usage

add_filter( 'default_site_option_(option)', 'wp_kama_default_site_option_filter', 10, 3 );

/**
 * Function for `default_site_option_(option)` filter-hook.
 * 
 * @param mixed  $default_value The value to return if the site option does not exist in the database.
 * @param string $option        Option name.
 * @param int    $network_id    ID of the network.
 *
 * @return mixed
 */
function wp_kama_default_site_option_filter( $default_value, $option, $network_id ){

	// filter...
	return $default_value;
}
$default_value(mixed)
The value to return if the site option does not exist in the database.
$option(string)
Option name.
$network_id(int)
ID of the network.

Changelog

Since 3.4.0 Introduced.
Since 4.4.0 The $option parameter was added.
Since 4.7.0 The $network_id parameter was added.

Where the hook is called

get_network_option()
default_site_option_(option)
wp-includes/option.php 1802
return apply_filters( "default_site_option_{$option}", $default_value, $option, $network_id );
wp-includes/option.php 1807
$default_value = apply_filters( 'default_site_option_' . $option, $default_value, $option, $network_id );
wp-includes/option.php 1830
$value = apply_filters( 'default_site_option_' . $option, $default_value, $option, $network_id );

Where the hook is used in WordPress

wp-includes/ms-default-constants.php 20
add_filter( 'default_site_option_ms_files_rewriting', '__return_true' );
wp-includes/ms-default-filters.php 130
add_filter( 'default_site_option_ms_files_rewriting', '__return_true' );