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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 |
|---|---|
| 509 | <?php |
| 510 | do_action( 'signup_finished' ); |
| 511 | } |
| 512 | |
| 513 | // Main |
| 514 | $active_signup = get_site_option( 'registration' ); |
| 515 | if ( !$active_signup ) |
| 516 | $active_signup = 'all'; |
| 517 | |
| 518 | $active_signup = apply_filters( 'wpmu_active_signup', $active_signup ); // return "all", "none", "blog" or "user" |
| 519 | |
| 520 | // Make the signup type translatable. |
| 521 | $i18n_signup['all'] = _x('all', 'Multisite active signup type'); |
| 522 | $i18n_signup['none'] = _x('none', 'Multisite active signup type'); |
| 523 | $i18n_signup['blog'] = _x('blog', 'Multisite active signup type'); |
| 524 | $i18n_signup['user'] = _x('user', 'Multisite active signup type'); |
| 525 | |
| 526 | if ( is_super_admin() ) |
| 527 | echo '<div class="mu_alert">' . sprintf( __( 'Greetings Site Administrator! You are currently allowing “%s” registrations. To change or disable registration go to your <a href="%s">Options page</a>.' ), $i18n_signup[$active_signup], esc_url( network_admin_url( 'settings.php' ) ) ) . '</div>'; |