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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 |
---|---|
261 | * |
262 | * @since 2.3.0 |
263 | * @since 4.4.0 Added the `$this` parameter. |
264 | * @since 4.8.1 The `$this` param may now be a `WP_Widget_Custom_HTML` object in addition to a `WP_Widget_Text` object. |
265 | * |
266 | * @param string $text The widget content. |
267 | * @param array $instance Array of settings for the current widget. |
268 | * @param WP_Widget_Text|WP_Widget_Custom_HTML $this Current Text widget instance. |
269 | */ |
270 | $text = apply_filters( 'widget_text', $text, $instance, $this ); |
271 |
|
272 | if ( $is_visual_text_widget ) { |
273 |
|
274 | /** |
275 | * Filters the content of the Text widget to apply changes expected from the visual (TinyMCE) editor. |
276 | * |
277 | * By default a subset of the_content filters are applied, including wpautop and wptexturize. |
278 | * |
279 | * @since 4.8.0 |