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filter is not described

upgrader_post_install filter-hook . WP 2.8.0

Filters the installation response after the installation has finished.

Usage

add_filter( 'upgrader_post_install', 'filter_function_name_8208', 10, 3 );
function filter_function_name_8208( $response, $hook_extra, $result ){
	// filter...

	return $response;
}
$response(true/false)
Installation response.
$hook_extra(array)
Extra arguments passed to hooked filters.
$result(array)
Installation result data.

Where the hook is called

WP_Upgrader::install_package()
wp-admin/includes/class-wp-upgrader.php 598
$res = apply_filters( 'upgrader_post_install', true, $args['hook_extra'], $this->result );

Where the hook is used (in WP core)

wp-admin/includes/class-theme-upgrader.php 199
add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3);
wp-admin/includes/class-theme-upgrader.php 218
remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'));
wp-admin/includes/class-theme-upgrader.php 267
add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
wp-admin/includes/class-theme-upgrader.php 288
remove_filter('upgrader_post_install', array($this, 'current_after'));
wp-admin/includes/class-theme-upgrader.php 328
add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
wp-admin/includes/class-theme-upgrader.php 410
remove_filter('upgrader_post_install', array($this, 'current_after'));