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WP_Theme::network_enable_theme( string|string[] $stylesheets )

Enables a theme for all sites on the current network.

Parameters

$stylesheets

(string|string[]) (Required) Stylesheet name or array of stylesheet names.

Source

File: wp-includes/class-wp-theme.php 

public static function network_enable_theme( $stylesheets ) {
		if ( ! is_multisite() ) {
			return;
		}

		if ( ! is_array( $stylesheets ) ) {
			$stylesheets = array( $stylesheets );
		}

		$allowed_themes = get_site_option( 'allowedthemes' );
		foreach ( $stylesheets as $stylesheet ) {
			$allowed_themes[ $stylesheet ] = true;
		}

		update_site_option( 'allowedthemes', $allowed_themes );
	}

Uses

Uses Description
wp-includes/load.php: is_multisite()

If Multisite is enabled.
wp-includes/option.php: update_site_option()

Updates the value of an option that was already added for the current network.
wp-includes/option.php: get_site_option()

Retrieve an option value for the current network based on name of option.

Changelog

Version Description
4.6.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_theme/network_enable_theme