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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 |
|---|---|
| 332 | |
| 333 | /** |
| 334 | * Filter the new site meta variables. |
| 335 | * |
| 336 | * @since MU |
| 337 | * @deprecated 3.0.0 Use the 'add_signup_meta' filter instead. |
| 338 | * |
| 339 | * @param array $blog_meta_defaults An array of default blog meta variables. |
| 340 | */ |
| 341 | $meta_defaults = apply_filters( 'signup_create_blog_meta', $blog_meta_defaults ); |
| 342 | /** |
| 343 | * Filter the new default site meta variables. |
| 344 | * |
| 345 | * @since 3.0.0 |
| 346 | * |
| 347 | * @param array $meta { |
| 348 | * An array of default site meta variables. |
| 349 | * |
| 350 | * @type int $lang_id The language ID. |