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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 |
|---|---|
| 375 | <div id="message" class="error"><p><?php echo $errors[$_GET['error']]; ?></p></div> |
| 376 | <?php } ?> |
| 377 | |
| 378 | <?php |
| 379 | /** |
| 380 | * Fires before the Widgets administration page content loads. |
| 381 | * |
| 382 | * @since 3.0.0 |
| 383 | */ |
| 384 | do_action( 'widgets_admin_page' ); ?> |
| 385 | |
| 386 | <div class="widget-liquid-left"> |
| 387 | <div id="widgets-left"> |
| 388 | <div id="available-widgets" class="widgets-holder-wrap"> |
| 389 | <div class="sidebar-name"> |
| 390 | <button type="button" class="handlediv hide-if-no-js" aria-expanded="true"> |
| 391 | <span class="screen-reader-text"><?php _e( 'Available Widgets' ); ?></span> |
| 392 | <span class="toggle-indicator" aria-hidden="true"></span> |
| 393 | </button> |