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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 |
|---|---|
| 574 | $diff = current_time( 'timestamp', true ) - mysql2date('U', $signup->registered); |
| 575 | // If registered more than two days ago, cancel registration and let this signup go through. |
| 576 | if ( $diff > 172800 ) |
| 577 | $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->signups WHERE domain = %s AND path = %s", $mydomain, $path) ); |
| 578 | else |
| 579 | $errors->add('blogname', __('That site is currently reserved but may be available in a couple days.')); |
| 580 | } |
| 581 | |
| 582 | $result = array('domain' => $mydomain, 'path' => $path, 'blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors); |
| 583 | return apply_filters('wpmu_validate_blog_signup', $result); |
| 584 | } |
| 585 | |
| 586 | // Record signup information for future activation. wpmu_validate_signup() should be run |
| 587 | // on the inputs before calling wpmu_signup(). |
| 588 | function wpmu_signup_blog($domain, $path, $title, $user, $user_email, $meta = '') { |
| 589 | global $wpdb; |
| 590 | |
| 591 | $key = substr( md5( time() . rand() . $domain ), 0, 16 ); |
| 592 | $meta = serialize($meta); |