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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 636 | * If a plugin is silently activated (such as during an update), |
| 637 | * this hook does not fire. |
| 638 | * |
| 639 | * @since 2.9.0 |
| 640 | * |
| 641 | * @param string $plugin Path to the plugin file relative to the plugins directory. |
| 642 | * @param bool $network_wide Whether to enable the plugin for all sites in the network |
| 643 | * or just the current site. Multisite only. Default is false. |
| 644 | */ |
| 645 | do_action( 'activate_plugin', $plugin, $network_wide ); |
| 646 | |
| 647 | /** |
| 648 | * Fires as a specific plugin is being activated. |
| 649 | * |
| 650 | * This hook is the "activation" hook used internally by register_activation_hook(). |
| 651 | * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename. |
| 652 | * |
| 653 | * If a plugin is silently activated (such as during an update), this hook does not fire. |
| 654 | * |