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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 |
|---|---|
| 328 | * |
| 329 | * @param array $signup_defaults { |
| 330 | * An array of default site sign-up variables. |
| 331 | * |
| 332 | * @type string $blogname The site blogname. |
| 333 | * @type string $blog_title The site title. |
| 334 | * @type WP_Error $errors A WP_Error object possibly containing 'blogname' or 'blog_title' errors. |
| 335 | * } |
| 336 | */ |
| 337 | $filtered_results = apply_filters( 'signup_another_blog_init', $signup_defaults ); |
| 338 | |
| 339 | $blogname = $filtered_results['blogname']; |
| 340 | $blog_title = $filtered_results['blog_title']; |
| 341 | $errors = $filtered_results['errors']; |
| 342 | |
| 343 | /* translators: %s: Network title. */ |
| 344 | echo '<h2>' . sprintf( __( 'Get <em>another</em> %s site in seconds' ), get_network()->site_name ) . '</h2>'; |
| 345 | |
| 346 | if ( $errors->has_errors() ) { |