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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 |
|---|---|
| 416 | * |
| 417 | * @param array $signup_user_defaults { |
| 418 | * An array of default user variables. |
| 419 | * |
| 420 | * @type string $user_name The user username. |
| 421 | * @type string $user_email The user email address. |
| 422 | * @type array $errors An array of possible errors relevant to the sign-up user. |
| 423 | * } |
| 424 | */ |
| 425 | $filtered_results = apply_filters( 'signup_user_init', $signup_user_defaults ); |
| 426 | $user_name = $filtered_results['user_name']; |
| 427 | $user_email = $filtered_results['user_email']; |
| 428 | $errors = $filtered_results['errors']; |
| 429 | |
| 430 | ?> |
| 431 | |
| 432 | <h2><?php printf( __( 'Get your own %s account in seconds' ), $current_site->site_name ) ?></h2> |
| 433 | <form id="setupform" method="post" action="wp-signup.php"> |
| 434 | <input type="hidden" name="stage" value="validate-user-signup" /> |