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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 |
|---|---|
| 546 | * If a plugin is silently activated (such as during an update), |
| 547 | * this hook does not fire. |
| 548 | * |
| 549 | * @since 2.9.0 |
| 550 | * |
| 551 | * @param string $plugin Plugin path to main plugin file with plugin data. |
| 552 | * @param bool $network_wide Whether to enable the plugin for all sites in the network |
| 553 | * or just the current site. Multisite only. Default is false. |
| 554 | */ |
| 555 | do_action( 'activate_plugin', $plugin, $network_wide ); |
| 556 | |
| 557 | /** |
| 558 | * Fires as a specific plugin is being activated. |
| 559 | * |
| 560 | * This hook is the "activation" hook used internally by |
| 561 | * {@see register_activation_hook()}. The dynamic portion of the |
| 562 | * hook name, `$plugin`, refers to the plugin basename. |
| 563 | * |
| 564 | * If a plugin is silently activated (such as during an update), |