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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 |
|---|---|
| 387 | |
| 388 | /** |
| 389 | * Filter the new site meta variables. |
| 390 | * |
| 391 | * @since MU |
| 392 | * @deprecated 3.0.0 Use the 'add_signup_meta' filter instead. |
| 393 | * |
| 394 | * @param array $blog_meta_defaults An array of default blog meta variables. |
| 395 | */ |
| 396 | $meta_defaults = apply_filters( 'signup_create_blog_meta', $blog_meta_defaults ); |
| 397 | |
| 398 | /** |
| 399 | * Filter the new default site meta variables. |
| 400 | * |
| 401 | * @since 3.0.0 |
| 402 | * |
| 403 | * @param array $meta { |
| 404 | * An array of default site meta variables. |
| 405 | * |