copy_dir()
Function: Copies a directory from one location to another via the WordPress Filesystem Abstraction.
Source: wp-admin/includes/file.php:1900
WP_Filesystem()
Function: Initializes and connects the WordPress Filesystem Abstraction classes.
Source: wp-admin/includes/file.php:2050
_wp_handle_upload()
Function: Handles PHP uploads in ClassicPress.
Source: wp-admin/includes/file.php:778
{$action}_prefilter
Filter Hook: Filters the data for a file before it is uploaded to ClassicPress.
Source: wp-admin/includes/file.php:809
Language_Pack_Upgrader::upgrade()
Method: Upgrade a language pack.
Source: wp-admin/includes/class-language-pack-upgrader.php:135
wp_edit_theme_plugin_file()
Function: Attempts to edit a file for a theme or plugin.
Source: wp-admin/includes/file.php:374
Language_Pack_Upgrader::bulk_upgrade()
Method: Bulk upgrade language packs.
Source: wp-admin/includes/class-language-pack-upgrader.php:167
wp_tempnam()
Function: Returns a filename of a temporary unique file.
Source: wp-admin/includes/file.php:665
Language_Pack_Upgrader::check_package()
Method: Checks that the package source contains .mo and .po files.
Source: wp-admin/includes/class-language-pack-upgrader.php:325
validate_file_to_edit()
Function: Makes sure that the file that was requested to be edited is allowed to be edited.
Source: wp-admin/includes/file.php:713