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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 |
|---|---|
| 294 | * |
| 295 | * @param array $signup_defaults { |
| 296 | * An array of default site sign-up variables. |
| 297 | * |
| 298 | * @type string $blogname The site blogname. |
| 299 | * @type string $blog_title The site title. |
| 300 | * @type WP_Error $errors A WP_Error object possibly containing 'blogname' or 'blog_title' errors. |
| 301 | * } |
| 302 | */ |
| 303 | $filtered_results = apply_filters( 'signup_another_blog_init', $signup_defaults ); |
| 304 | |
| 305 | $blogname = $filtered_results['blogname']; |
| 306 | $blog_title = $filtered_results['blog_title']; |
| 307 | $errors = $filtered_results['errors']; |
| 308 | |
| 309 | echo '<h2>' . sprintf( __( 'Get <em>another</em> %s site in seconds' ), get_network()->site_name ) . '</h2>'; |
| 310 | |
| 311 | if ( $errors->get_error_code() ) { |
| 312 | echo '<p>' . __( 'There was a problem, please correct the form below and try again.' ) . '</p>'; |