Used By
| Used By | Description | 
|---|---|
| wp-admin/includes/class-wp-upgrader.php: WP_Upgrader::install_package() | Install a package. | 
Filters the source file location for the upgrade package.
(string) File source location.
(string) Remote file source location.
(WP_Upgrader) WP_Upgrader instance.
(array) Extra arguments passed to hooked filters.
| Version | Description | 
|---|---|
| 4.4.0 | The $hook_extra parameter became available. | 
| 2.8.0 | Introduced. | 
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Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/hooks/upgrader_source_selection