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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 |
|---|---|
| 68 | /** |
| 69 | * Filters the content of the Block widget before output. |
| 70 | * |
| 71 | * @since 5.8.0 |
| 72 | * |
| 73 | * @param string $content The widget content. |
| 74 | * @param array $instance Array of settings for the current widget. |
| 75 | * @param WP_Widget_Block $widget Current Block widget instance. |
| 76 | */ |
| 77 | echo apply_filters( |
| 78 | 'widget_block_content', |
| 79 | $instance['content'], |
| 80 | $instance, |
| 81 | $this |
| 82 | ); |
| 83 | |
| 84 | echo $args['after_widget']; |
| 85 | } |
| 86 | |