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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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228 | * |
229 | * Plugins should amend the `$errors` object via its `WP_Error::add()` method. If any errors |
230 | * are present, the site will not be deleted. |
231 | * |
232 | * @since 5.1.0 |
233 | * |
234 | * @param WP_Error $errors Error object to add validation errors to. |
235 | * @param WP_Site $old_site The site object to be deleted. |
236 | */ |
237 | do_action( 'wp_validate_site_deletion', $errors, $old_site ); |
238 |
|
239 | if ( ! empty( $errors->errors ) ) { |
240 | return $errors; |
241 | } |
242 |
|
243 | /** |
244 | * Fires before a site is deleted. |
245 | * |
246 | * @since MU (3.0.0) |