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WordPress hook directory
activate_{$plugin}

Warning about variable hooks

Some hooks have variables in their names. For example, pre_${taxonomy}_$field and admin_head- both have variable names. In general, any hook that ends (or begins) with - or _, or contains a $, has a variable name. Since the syntax with which these variables are defined may change from version to version, this page may think that a hook is deprecated (or new) even if it is not.

Former names for activate_{$plugin}

This is a variable hook. Because its name contains some variables, this hook might actually refer to several different possible hooks.

This variable hook replaces the following non-variable hooks found in earlier versions of WP. You may want to read up on these older hooks to get a better idea of what this variable hook can do.

Replaced Hook Version when Changed Information about Hook
activate_trim({$_GET[plugin]}2.1View details here.

WordPress version history for activate_{$plugin}

This database has information for all major versions from WP 1.2.1 through 3.0.

Version File Type
2.1 wp-admin/plugins.php View hook in source action
2.2 wp-admin/plugins.php View hook in source action
2.3 wp-admin/plugins.php View hook in source action
2.5 wp-admin/includes/plugin.php View hook in source action
2.6 wp-admin/includes/plugin.php View hook in source action
2.7 wp-admin/plugins.php View hook in source action
2.7 wp-admin/includes/plugin.php View hook in source action
2.8 wp-admin/plugins.php View hook in source action
2.8 wp-admin/includes/plugin.php View hook in source action
2.9 wp-admin/plugins.php View hook in source action
3.0 wp-admin/plugins.php View hook in source action

Related Hooks

We find related hooks using word stems. activate_{$plugin} has 2 significant word stem(s): activate, plugin. Note that some of the hooks below may not appear in all versions of WP.