switch_blog – Hook | Developer.WordPress.org

do_action( ‘switch_blog’, int $new_blog_id, int $prev_blog_id, string $context )

Fires when the blog is switched.

Parameters

$new_blog_idint: New blog ID.
$prev_blog_idint: Previous blog ID.
$contextstring: Additional context. Accepts 'switch' when called from switch_to_blog() or 'restore' when called from restore_current_blog() .

do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'switch' );

Used by	Description
switch_to_blog()`wp-includes/ms-blogs.php`	Switches the current blog.
restore_current_blog()`wp-includes/ms-blogs.php`	Restores the current blog, after calling switch_to_blog() .

Version	Description
MU (3.0.0)	MU (3.0.0)
5.4.0	Introduced.

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