upgrader_pre_install

Filter Hook: Filters the install response before the installation has started.

Source: wp-admin/includes/class-wp-upgrader.php:469

WP_Upgrader

Class: Core class used for upgrading/installing a local set of files via the Filesystem Abstraction classes from a Zip file.

Source: wp-admin/includes/class-wp-upgrader.php:51

Used by 4 functions | Uses 0 functions

Method: Clears the directory where this item is going to be installed into.

Source: wp-admin/includes/class-wp-upgrader.php:363

Used by 1 function | Uses 2 functions

Method: Flatten the results of WP_Filesystem::dirlist() for iterating over.

Source: wp-admin/includes/class-wp-upgrader.php:335

Used by 2 functions | Uses 1 function

Method: Unpack a compressed package file.

Source: wp-admin/includes/class-wp-upgrader.php:286

Used by 1 function | Uses 3 functions

Filter Hook: Filters whether to return the package.

Source: wp-admin/includes/class-wp-upgrader.php:254

Used by 1 function | Uses 0 functions

Method: Download a package.

Source: wp-admin/includes/class-wp-upgrader.php:242

Used by 1 function | Uses 5 functions

Method: Connect to the filesystem.

Source: wp-admin/includes/class-wp-upgrader.php:184

Used by 1 function | Uses 5 functions

Method: Add the generic strings to WP_Upgrader::$strings.

Source: wp-admin/includes/class-wp-upgrader.php:147

Used by 1 function | Uses 1 function

Method: Initialize the upgrader.

Source: wp-admin/includes/class-wp-upgrader.php:137

Used by 0 functions | Uses 1 function