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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 |
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448 | $plugin = $_wp_plugin_file; // Avoid stomping of the $plugin variable in a plugin. |
449 |
|
450 | /** |
451 | * Fires once a single activated plugin has loaded. |
452 | * |
453 | * @since 5.1.0 |
454 | * |
455 | * @param string $plugin Full path to the plugin's main file. |
456 | */ |
457 | do_action( 'plugin_loaded', $plugin ); |
458 | } |
459 | unset( $plugin, $_wp_plugin_file ); |
460 |
|
461 | // Load pluggable functions. |
462 | require ABSPATH . WPINC . '/pluggable.php'; |
463 | require ABSPATH . WPINC . '/pluggable-deprecated.php'; |
464 |
|
465 | // Set internal encoding. |
466 | wp_set_internal_encoding(); |