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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 |
|---|---|
| 418 | include_once $plugin; |
| 419 | |
| 420 | /** |
| 421 | * Fires once a single activated plugin has loaded. |
| 422 | * |
| 423 | * @since 5.1.0 |
| 424 | * |
| 425 | * @param string $plugin Full path to the plugin's main file. |
| 426 | */ |
| 427 | do_action( 'plugin_loaded', $plugin ); |
| 428 | } |
| 429 | unset( $plugin ); |
| 430 | |
| 431 | // Load pluggable functions. |
| 432 | require ABSPATH . WPINC . '/pluggable.php'; |
| 433 | require ABSPATH . WPINC . '/pluggable-deprecated.php'; |
| 434 | |
| 435 | // Set internal encoding. |
| 436 | wp_set_internal_encoding(); |