Theme_Upgrader::current_before( bool|WP_Error $return, array $theme )

Turn on maintenance mode before attempting to upgrade the current theme.

Description

Hooked to the ‘upgrader_pre_install’ filter by Theme_Upgrader::upgrade() and Theme_Upgrader::bulk_upgrade().

Parameters

$return

(Required)

$theme

(Required)

Return

(bool|WP_Error)

Source

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

	public function current_before($return, $theme) {
		if ( is_wp_error($return) )
			return $return;

		$theme = isset($theme['theme']) ? $theme['theme'] : '';

		if ( $theme != get_stylesheet() ) //If not current
			return $return;
		//Change to maintenance mode now.
		if ( ! $this->bulk )
			$this->maintenance_mode(true);

		return $return;
	}

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Related

Uses

Uses
Uses Description
wp-includes/theme.php: get_stylesheet()

Retrieve name of the current stylesheet.
wp-includes/load.php: is_wp_error()

Check whether variable is a ClassicPress Error.

Changelog

Changelog
Version Description
WP-2.8.0 Introduced.