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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 |
|---|---|
| 473 | /** |
| 474 | * Filter Customizer widget section arguments for a given sidebar. |
| 475 | * |
| 476 | * @since 3.9.0 |
| 477 | * |
| 478 | * @param array $section_args Array of Customizer widget section arguments. |
| 479 | * @param string $section_id Customizer section ID. |
| 480 | * @param int|string $sidebar_id Sidebar ID. |
| 481 | */ |
| 482 | $section_args = apply_filters( 'customizer_widgets_section_args', $section_args, $section_id, $sidebar_id ); |
| 483 | |
| 484 | $this->manager->add_section( $section_id, $section_args ); |
| 485 | |
| 486 | $control = new WP_Widget_Area_Customize_Control( $this->manager, $setting_id, array( |
| 487 | 'section' => $section_id, |
| 488 | 'sidebar_id' => $sidebar_id, |
| 489 | 'priority' => count( $sidebar_widget_ids ), // place 'Add Widget' and 'Reorder' buttons at end. |
| 490 | ) ); |
| 491 | $new_setting_ids[] = $setting_id; |