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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 |
|---|---|
| 360 | include_once( $plugin ); |
| 361 | |
| 362 | /** |
| 363 | * Fires once a single activated plugin has loaded. |
| 364 | * |
| 365 | * @since 5.1.0 |
| 366 | * |
| 367 | * @param string $plugin Full path to the plugin's main file. |
| 368 | */ |
| 369 | do_action( 'plugin_loaded', $plugin ); |
| 370 | } |
| 371 | unset( $plugin ); |
| 372 | |
| 373 | // Load pluggable functions. |
| 374 | require( ABSPATH . WPINC . '/pluggable.php' ); |
| 375 | require( ABSPATH . WPINC . '/pluggable-deprecated.php' ); |
| 376 | |
| 377 | // Set internal encoding. |
| 378 | wp_set_internal_encoding(); |