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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 |
|---|---|
| 667 | * If a plugin is silently activated (such as during an update), |
| 668 | * this hook does not fire. |
| 669 | * |
| 670 | * @since 2.9.0 |
| 671 | * |
| 672 | * @param string $plugin Path to the plugin file relative to the plugins directory. |
| 673 | * @param bool $network_wide Whether to enable the plugin for all sites in the network |
| 674 | * or just the current site. Multisite only. Default false. |
| 675 | */ |
| 676 | do_action( 'activate_plugin', $plugin, $network_wide ); |
| 677 | |
| 678 | /** |
| 679 | * Fires as a specific plugin is being activated. |
| 680 | * |
| 681 | * This hook is the "activation" hook used internally by register_activation_hook(). |
| 682 | * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename. |
| 683 | * |
| 684 | * If a plugin is silently activated (such as during an update), this hook does not fire. |
| 685 | * |